Entity Central Index Key
Accrued liabilities accrued income taxes and other liabilities current.
Increase (decrease) in accrued liabilities accrued income taxes and other liabilities current.
Increase decrease in lease obligations.
Lessee, operating lease, liability, payments, due after year four.
Cover [Abstract]
Document and entity information.
Document and entity information
Document And Entity Information [Table]
Document And Entity Information [Table]
Class of Stock
Statement Class Of Stock [Axis]
Class of Stock
Class Of Stock [Domain]
Class A Common Stock
Common Class A [Member]
Class B Common Stock
Common Class B [Member]
Document And Entity Information [Line Items]
Document And Entity Information [Line Items]
Document Type
Document Type
Amendment Flag
Amendment Flag
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Entity Registrant Name
Entity Registrant Name
Trading Symbol
Trading Symbol
Entity Central Index Key
Entity Well-known Seasoned Issuer
Entity Well Known Seasoned Issuer
Entity Current Reporting Status
Entity Current Reporting Status
Entity Voluntary Filers
Entity Voluntary Filers
Entity Interactive Data Current
Entity Interactive Data Current
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Filer Category
Entity Filer Category
Entity Small Business
Entity Small Business
Entity Emerging Growth Company
Entity Emerging Growth Company
Entity Shell Company
Entity Shell Company
Entity Common Stock, Shares Outstanding
Entity Common Stock Shares Outstanding
Entity Public Float
Entity Public Float
Entity File Number
Entity File Number
Title of 12(b) Security
Security12b Title
Security Exchange Name
Security Exchange Name
Entity Incorporation, State or Country Code
Entity Incorporation State Country Code
Entity Tax Identification Number
Entity Tax Identification Number
Entity Address, Address Line One
Entity Address Address Line1
Entity Address, Address Line Two
Entity Address Address Line2
Entity Address, City or Town
Entity Address City Or Town
Entity Address, State or Province
Entity Address State Or Province
Entity Address, Postal Zip Code
Entity Address Postal Zip Code
City Area Code
City Area Code
Local Phone Number
Local Phone Number
Document Annual Report
Document Annual Report
Document Transition Report
Document Transition Report
Liabilities convertible preferred stock and stockholders' deficit equity.
Statement Of Financial Position [Abstract]
Statement [Table]
Statement [Table]
Statement [Line Items]
Statement [Line Items]
Assets
Assets [Abstract]
Current assets:
Assets Current [Abstract]
Cash and cash equivalents
Cash And Cash Equivalents At Carrying Value
Investments
Held To Maturity Securities Current
Accounts receivable, net of allowance for doubtful accounts of $240 and $479, respectively
Accounts Receivable Net Current
Prepaid expenses and prepaid income taxes
Prepaid Expense Current
Deferred contract costs
Contract With Customer Asset Net Current
Other current assets
Other Assets Current
Restricted cash
Restricted Cash Current
Total current assets
Assets Current
Property and equipment, net
Property Plant And Equipment Net
Intangible assets
Finite Lived Intangible Assets Net
Goodwill
Goodwill
Operating lease right-of-use assets
Operating Lease Right Of Use Asset
Restricted cash
Restricted Cash Noncurrent
Deferred tax assets
Deferred Tax Assets Net Noncurrent
Deferred contract costs, net of current portion
Contract With Customer Asset Net Noncurrent
Other non-current assets
Other Assets Noncurrent
Total assets
Assets
Liabilities and stockholders’ equity
Liabilities Convertible Preferred Stock And Stockholders Deficit Equity [Abstract]
Current liabilities:
Liabilities Current [Abstract]
Accounts payable
Accounts Payable Current
Accrued expenses, accrued income taxes and other current liabilities
Accrued Liabilities Accrued Income Taxes And Other Liabilities Current
Deferred revenue
Contract With Customer Liability Current
Deferred rent
Deferred Rent Credit Current
Operating lease liabilities
Operating Lease Liability Current
Total current liabilities
Liabilities Current
Deferred rent
Deferred Rent Credit Noncurrent
Operating lease liabilities
Operating Lease Liability Noncurrent
Deferred tax liabilities
Deferred Tax Liabilities Noncurrent
Other non–current liabilities
Other Liabilities Noncurrent
Total liabilities
Liabilities
Commitments and contingencies (Note 8)
Commitments And Contingencies
Stockholders’ equity:
Stockholders Equity [Abstract]
Preferred stock, $0.001 par value; 10,000,000 shares authorized; no shares issued and outstanding
Preferred Stock Value
Common stock
Common Stock Value
Additional paid–in capital
Additional Paid In Capital Common Stock
Retained earnings
Retained Earnings Accumulated Deficit
Accumulated other comprehensive (loss) income
Accumulated Other Comprehensive Income Loss Net Of Tax
Total stockholders’ equity
Stockholders Equity
Total liabilities and stockholders’ equity
Liabilities And Stockholders Equity
Allowance for doubtful accounts
Allowance For Doubtful Accounts Receivable Current
Preferred stock, par value
Preferred Stock Par Or Stated Value Per Share
Preferred stock, shares authorized
Preferred Stock Shares Authorized
Preferred stock, shares issued
Preferred Stock Shares Issued
Preferred stock, shares outstanding
Preferred Stock Shares Outstanding
Common stock, par value
Common Stock Par Or Stated Value Per Share
Common stock, shares authorized
Common Stock Shares Authorized
Common stock, shares issued
Common Stock Shares Issued
Common stock, shares outstanding
Common Stock Shares Outstanding
Reconciliation of net (loss) income to net (loss) income attributable to common stockholders.
Income Statement [Abstract]
Revenue
Revenue From Contract With Customer Excluding Assessed Tax
Cost of revenue
Cost Of Goods And Service Excluding Depreciation Depletion And Amortization
Gross profit
Gross Profit
Operating expenses:
Operating Expenses [Abstract]
Sales and marketing
Selling And Marketing Expense
Product, technology, and development
Research And Development Expense
General and administrative
General And Administrative Expense
Depreciation and amortization
Depreciation And Amortization
Total operating expenses
Operating Expenses
Income from operations
Operating Income Loss
Other income, net:
Nonoperating Income Expense [Abstract]
Interest income
Investment Income Interest
Other income (expense), net
Other Nonoperating Income Expense
Total other income, net
Nonoperating Income Expense
Income before income taxes
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
(Benefit from) provision for income taxes
Income Tax Expense Benefit
Net income
Net Income Loss
Reconciliation of net income to net income attributable to common stockholders:
Reconciliation Of Net Loss Income To Net Loss Income Attribute To Common Stockholders [Abstract]
Net income
Net income attributable to participating securities
Undistributed Earnings Loss Allocated To Participating Securities Basic
Net income attributable to common stockholders — basic
Net Income Loss Available To Common Stockholders Basic
Net income attributable to participating securities
Undistributed Earnings Loss Allocated To Participating Securities Diluted
Net income attributable to common stockholders — diluted
Net Income Loss Available To Common Stockholders Diluted
Net income per share attributable to common stockholders: (Note 11)
Earnings Per Share Basic And Diluted [Abstract]
Basic
Earnings Per Share Basic
Diluted
Earnings Per Share Diluted
Weighted–average number of shares of common stock used in computing net income per share attributable to common stockholders:
Weighted Average Number Of Shares Outstanding [Abstract]
Basic
Weighted Average Basic Shares Outstanding Pro Forma
Diluted
Pro Forma Weighted Average Shares Outstanding Diluted
Depreciation and amortization expense
Cost Of Goods And Services Sold Depreciation And Amortization
Statement Of Income And Comprehensive Income [Abstract]
Other comprehensive (loss) income:
Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract]
Foreign currency translation adjustment
Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
Comprehensive income
Comprehensive Income Net Of Tax
Number of new stock classified as temporary equity issued during the period.
Stock issued during period conversion of preferred stock shares.
Stock issued during period value conversion of preferred stock.
Convertible stock shares converted.
Convertible stock converted value.
Statement Of Stockholders Equity [Abstract]
Equity Components
Statement Equity Components [Axis]
Equity Component
Equity Component [Domain]
Common Stock
Common Stock [Member]
Additional Paid-in Capital
Additional Paid In Capital [Member]
Accumulated Other Comprehensive (Loss) Income
Accumulated Other Comprehensive Income [Member]
Retained Earnings (Accumulated Deficit)
Retained Earnings [Member]
Series A Preferred Stock
Series A Preferred Stock [Member]
Series B Preferred Stock
Series B Preferred Stock [Member]
Series C Preferred Stock
Series C Preferred Stock [Member]
Series D Preferred Stock
Series D Preferred Stock [Member]
Series E Preferred Stock
Series E Preferred Stock [Member]
Beginning balance
Convertible preferred stock, Beginning balance, Shares
Temporary Equity Shares Outstanding
Convertible preferred stock, Beginning balance
Temporary Equity Carrying Amount Attributable To Parent
Beginning balance, Shares
Stock–based compensation expense
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
Issuance of common stock upon exercise of stock options
Stock Issued During Period Value Stock Options Exercised
Issuance of common stock upon exercise of stock options, Shares
Stock Issued During Period Shares Stock Options Exercised
Issuance of common stock upon vesting of restricted stock units
Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures
Issuance of common stock upon vesting of restricted stock units, Shares
Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures
Issuance of stock, net of issuance/offering costs
Stock Issued During Period Value New Issues
Convertible preferred stock, Issuance of preferred stock, net of issuance costs, Shares
Temporary Equity Stock Issued During Period Share New Issues
Convertible preferred stock, Issuance of preferred stock, net of issuance costs
Temporary Equity Stock Issued During Period Value New Issues
Issuance of stock, net of issuance/offering costs, Shares
Stock Issued During Period Shares New Issues
Payment of withholding taxes and option costs on net share settlement of restricted stock units and stock options
Adjustments Related To Tax Withholding For Share Based Compensation
Payment of withholding taxes and option costs on net share settlement of restricted stock units and stock options, Shares
Shares Paid For Tax Withholding For Share Based Compensation
Cumulative adjustment from adoption of revenue recognition standard
Cumulative Effect On Retained Earnings Net Of Tax1
Conversion of preferred and common stock
Stock Issued During Period Value Conversion Of Convertible Securities Net Of Adjustments
Convertible preferred stock, Conversion of preferred stock, Shares
Stock Issued During Period Conversion Of Preferred Stock Shares
Convertible preferred stock, Conversion of preferred stock
Stock Issued During Period Value Conversion Of Preferred Stock
Conversion of preferred and common stock, shares issued
Stock Issued During Period Shares Conversion Of Convertible Securities
Conversion of preferred and common stock, shares converted
Convertible Stock Shares Converted
Conversion of preferred and common stock, value
Convertible Stock Converted Value
Ending balance
Convertible preferred stock, Ending balance, Shares
Convertible preferred stock, Ending balance
Ending balance, Shares
Convertible preferred stock, Net income (loss)
Temporary Equity Net Income
Payments of deferred initial public offering costs.
Payment of withholding taxes and option costs on net share settlement of restricted stock units and stock options.
Non-cash unpaid initial public offering costs.
Statement Of Cash Flows [Abstract]
Operating Activities
Net Cash Provided By Used In Operating Activities [Abstract]
Net income
Profit Loss
Adjustments to reconcile net income to net cash provided by operating activities:
Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract]
Depreciation and amortization
Depreciation Depletion And Amortization
Currency (gain) loss on foreign denominated transactions
Foreign Currency Transaction Gain Loss Before Tax
Deferred taxes
Deferred Income Tax Expense Benefit
Provision for doubtful accounts
Provision For Doubtful Accounts
Stock–based compensation expense
Share Based Compensation
Amortization of deferred contract costs
Capitalized Contract Cost Amortization
Changes in operating assets and liabilities:
Increase Decrease In Operating Capital [Abstract]
Accounts receivable, net
Increase Decrease In Accounts Receivable
Prepaid expenses, prepaid income taxes, and other assets
Increase Decrease In Prepaid Deferred Expense And Other Assets
Deferred contracts costs
Increase Decrease In Contract With Customer Asset
Accounts payable
Increase Decrease In Accounts Payable
Accrued expenses, accrued income taxes and other current liabilities
Increase Decrease In Accrued Liabilities Accrued Income Taxes And Other Liabilities Current
Deferred revenue
Increase Decrease In Contract With Customer Liability
Deferred rent
Increase Decrease In Deferred Charges
Lease obligations
Increase Decrease In Lease Obligations
Other non–current liabilities
Increase Decrease In Other Noncurrent Liabilities
Net cash provided by operating activities
Net Cash Provided By Used In Operating Activities
Investing Activities
Net Cash Provided By Used In Investing Activities [Abstract]
Purchases of property and equipment
Payments To Acquire Property Plant And Equipment
Capitalization of website development costs
Payments To Develop Software
Cash paid for acquisition
Payments To Acquire Businesses Gross
Investments in certificates of deposit
Payments To Acquire Restricted Certificates Of Deposit
Maturities of certificates of deposit
Proceeds From Sale Maturity And Collections Of Investments
Net cash used in investing activities
Net Cash Provided By Used In Investing Activities
Financing Activities
Net Cash Provided By Used In Financing Activities [Abstract]
Initial public offering proceeds
Proceeds From Issuance Initial Public Offering
Payment of initial public offering costs
Payments Of Deferred Initial Public Offering Costs
Proceeds from exercise of stock options
Proceeds From Stock Options Exercised
Financing cash flows from finance leases
Finance Lease Principal Payments
Payment of withholding taxes and option costs on net share settlement of restricted stock units and stock options
Payment Of Withholding Taxes And Option Costs On Net Share Settlement Of Restricted Stock Units And Stock Options
Net cash (used in) provided by financing activities
Net Cash Provided By Used In Financing Activities
Impact of foreign currency on cash, cash equivalents, and restricted cash
Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
Net increase (decrease) in cash, cash equivalents, and restricted cash
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
Cash, cash equivalents, and restricted cash at beginning of period
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
Cash, cash equivalents, and restricted cash at end of period
Supplemental disclosure of cash flow information:
Supplemental Cash Flow Information [Abstract]
Cash paid for income taxes
Income Taxes Paid
Unpaid purchases of property and equipment
Capital Expenditures Incurred But Not Yet Paid
Unpaid initial public offering costs
Non Cash Unpaid Initial Public Offering Costs
Capitalized stock-based compensation expense in website development and internal-use software costs
Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount
Cash paid for operating lease liabilities
Operating Lease Payments
Documents Incorporated by Reference
Documents Incorporated By Reference [Text Block]
Accounting Policies [Abstract]
Organization and Business Description
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Text Block]
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Business Combinations [Abstract]
Acquisitions
Business Combination Disclosure [Text Block]
Fair Value Disclosures [Abstract]
Fair Value of Financial Instruments Including Cash, Cash Equivalents and Investments
Financial Instruments Disclosure [Text Block]
Property Plant And Equipment [Abstract]
Property and Equipment, Net
Property Plant And Equipment Disclosure [Text Block]
Goodwill And Intangible Assets Disclosure [Abstract]
Goodwill and Other Intangible Assets
Goodwill And Intangible Assets Disclosure [Text Block]
Accrued Liabilities Current [Abstract]
Accrued Expenses, Accrued Income Taxes and Other Current Liabilities
Accounts Payable Accrued Liabilities And Other Liabilities Disclosure Current [Text Block]
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies
Commitments And Contingencies Disclosure [Text Block]
Temporary equity and stockholders equity note disclosure.
Equity [Abstract]
Convertible Preferred Stock and Stockholders’ Equity
Temporary Equity And Stockholders Equity Note Disclosure [Text Block]
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Stock-based Compensation
Disclosure Of Compensation Related Costs Share Based Payments [Text Block]
Earnings Per Share [Abstract]
Earnings Per Share
Earnings Per Share [Text Block]
Income Tax Disclosure [Abstract]
Income Taxes
Income Tax Disclosure [Text Block]
Segment Reporting [Abstract]
Segment and Geographic Information
Segment Reporting Disclosure [Text Block]
Compensation And Retirement Disclosure [Abstract]
Employee Benefit Plans
Compensation And Employee Benefit Plans [Text Block]
Quarterly Financial Data [Abstract]
Quarterly Financial Results (unaudited)
Quarterly Financial Information [Text Block]
Subsequent Events [Abstract]
Subsequent Events
Subsequent Events [Text Block]
Basis of Presentation
Basis Of Accounting Policy Policy [Text Block]
Principles of Consolidation
Consolidation Policy [Text Block]
Subsequent Event Considerations
Subsequent Events Policy Policy [Text Block]
Use of Estimates
Use Of Estimates
Revenue Recognition
Revenue From Contract With Customer Policy [Text Block]
Contract with customer asset and liability.
Deferred Revenue
Contract With Customer Asset And Liability Policy [Text Block]
Cost of Revenue
Cost Of Sales Policy [Text Block]
Concentration of Credit Risk
Concentration Risk Credit Risk
Cash, Cash Equivalents, and Investments
Cash And Cash Equivalents Policy [Text Block]
Restricted Cash
Cash And Cash Equivalents Restricted Cash And Cash Equivalents Policy
Accounts Receivable and Allowance for Doubtful Accounts
Receivables Trade And Other Accounts Receivable Allowance For Doubtful Accounts Policy
Property and Equipment
Property Plant And Equipment Policy [Text Block]
Impairment of Long-Lived Assets
Impairment Or Disposal Of Long Lived Assets Policy [Text Block]
Business Combinations
Business Combinations Policy
Intangible Assets
Goodwill And Intangible Assets Intangible Assets Policy
Goodwill
Goodwill And Intangible Assets Goodwill Policy
Capitalized Website Development and Internal-Use Software Costs
Research Development And Computer Software Policy [Text Block]
Foreign Currency Translation
Foreign Currency Transactions And Translations Policy [Text Block]
Income Taxes
Income Tax Policy [Text Block]
Disclosure of Fair Value of Financial Instruments
Fair Value Of Financial Instruments Policy
Stock-Based Compensation
Share Based Compensation Option And Incentive Plans Policy
Advertising Costs
Advertising Costs Policy [Text Block]
Comprehensive Income
Comprehensive Income Policy Policy [Text Block]
Contingent Liabilities
Commitments And Contingencies Policy [Text Block]
Recent Adopted Accounting Pronouncements
New Accounting Pronouncements Policy Policy [Text Block]
Lease Accounting
Lessee Leases Policy [Text Block]
Internal-Use Software
Internal Use Software Policy
Goodwill and Other Intangible Assets
Goodwill And Intangible Assets Policy [Text Block]
Earnings Per Share
Earnings Per Share Policy [Text Block]
Adjustments for New Accounting Pronouncements
Adjustments For New Accounting Pronouncements [Axis]
Type of Adoption
Type Of Adoption [Member]
ASC 606
Accounting Standards Update201409 [Member]
Summary of Revenue from Contracts with Customers by Revenue
Disaggregation Of Revenue Table [Text Block]
Summary of Impact of New Revenue Guidance on Financial Statement
Schedule Of New Accounting Pronouncements And Changes In Accounting Principles [Text Block]
Summary of Opening and Closing Balances of Receivables and Contract Assets From Contracts with Customers
Contract With Customer Asset And Liability Table [Text Block]
Summary of Changes in Allowance for Doubtful Accounts
Schedule Of Accounts Notes Loans And Financing Receivable [Text Block]
Schedule of estimated useful life.
Schedule of Estimated Useful Lives of Property and Equipment
Schedule Of Estimated Useful Life Table [Text Block]
Summary of Future Minimum Lease Payments
Lessee Operating Lease Liability Maturity Table [Text Block]
Summary of Purchase Price Allocation
Schedule Of Recognized Identified Assets Acquired And Liabilities Assumed Table [Text Block]
Schedule of Fair Value Levels, Assets Measured at Fair Value on Recurring Basis
Fair Value Assets Measured On Recurring Basis [Text Block]
Schedule of Cash, Cash Equivalents, and Investments
Schedule Of Cash Cash Equivalents And Short Term Investments Table [Text Block]
Schedule of Property and Equipment, Net
Property Plant And Equipment [Text Block]
Summary of Changes in Carrying Value of Goodwill
Schedule Of Goodwill [Text Block]
Summary of Other Intangible Assets
Schedule Of Finite Lived Intangible Assets Table [Text Block]
Summary of Estimated Amortization Expense of Intangible Assets
Scheduleof Finite Lived Intangible Assets Future Amortization Expense Table [Text Block]
Schedule of accrued liabilities and other current liabilities.
Schedule of Accrued Expenses, Accrued Income Taxes and Other Current Liabilities
Schedule Of Accrued Liabilities And Other Current Liabilities Table [Text Block]
Summary of Preferred Stock
Temporary Equity Table [Text Block]
Summary of Stock Option Activity
Schedule Of Share Based Compensation Stock Options Activity Table [Text Block]
Summary of Restricted Stock Unit Activity
Schedule Of Share Based Compensation Restricted Stock Units Award Activity Table [Text Block]
Summary of Stock-based Compensation Expense by Award Type
Schedule Of Compensation Cost For Share Based Payment Arrangements Allocation Of Share Based Compensation Costs By Plan Table [Text Block]
Summary of Allocation of Stock-based Compensation Expense
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block]
Schedule of shares of common stock reserved for future issuance.
Summary of Shares of Common Stock Reserved for Future Issuance
Schedule Of Shares Of Common Stock Reserved For Future Issuance Table [Text Block]
Schedule of Reconciliation of Numerator and Denominator Used in Calculation of Basic and Diluted Net Income Per Share
Schedule Of Earnings Per Share Basic And Diluted Table [Text Block]
Schedule of Potentially Dilutive Common Stock Equivalents Excluded from Calculation of Diluted Weighted-average Shares Outstanding
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block]
Schedule of Domestic and Foreign Components of Income Before Income Taxes
Schedule Of Income Before Income Tax Domestic And Foreign Table [Text Block]
Schedule of (Benefit From) Provision for Income Taxes
Schedule Of Components Of Income Tax Expense Benefit Table [Text Block]
Schedule of Effective Tax Rates Less than US Federal Statutory Rate Primarily Due to Excess Tax Deductions
Schedule Of Effective Income Tax Rate Reconciliation Table [Text Block]
Schedule of Income Tax Effect of Each Type of Temporary Difference and Carryforward
Schedule Of Deferred Tax Assets And Liabilities Table [Text Block]
Summary of Operations by Segment and Geographical Area
Schedule Of Segment Reporting Information By Segment [Text Block]
Schedule of Unaudited Quarterly Financial Information
Schedule Of Quarterly Financial Information Table [Text Block]
Organization and business description.
Organization and business description.
Organization And Business Description [Table]
Organization And Business Description [Table]
Sale of Stock
Subsidiary Sale Of Stock [Axis]
Sale of Stock
Sale Of Stock Name Of Transaction [Domain]
IPO
I P O [Member]
Convertible Preferred Stock
Convertible Preferred Stock [Member]
Stock Conversion Description
Conversion Of Stock By Unique Description [Axis]
Conversion of Stock, Name
Conversion Of Stock Name [Domain]
Subsequent conversion.
Subsequent Conversion
Subsequent Conversion [Member]
Title of Individual
Title Of Individual [Axis]
Title of Individual
Title Of Individual With Relationship To Entity [Domain]
Selling shareholders.
Selling Shareholders
Selling Shareholders [Member]
Organization And Business Description [Line Items]
Organization And Business Description [Line Items]
State of incorporation
Date of incorporation
Entity Incorporation Date Of Incorporation
Payments of underwriting discounts and commissions.
Number of shares issued for services
Stock Issued During Period Shares Issued For Services
Offering price per share
Shares Issued Price Per Share
Net proceeds received after deducting underwriting discounts and commissions and offering costs
Underwriting discounts and commissions
Payments Of Underwriting Discounts And Commissions
Stock issuance costs
Payments Of Stock Issuance Costs
Conversion of convertible securities into shares of common stock
Summary of significant accounting policies.
Summary of significant accounting policies.
Summary Of Significant Accounting Policies [Table]
Summary Of Significant Accounting Policies [Table]
Product and Service
Product Or Service [Axis]
Product and Service
Products And Services [Domain]
Marketplace subscription revenue.
Marketplace Subscription Revenue
Marketplace Subscription Revenue [Member]
Initial Application Period Cumulative Effect Transition
Initial Application Period Cumulative Effect Transition [Axis]
Initial Application Period Cumulative Effect Transition
Initial Application Period Cumulative Effect Transition [Domain]
Adjustments
Difference Between Revenue Guidance In Effect Before And After Topic606 [Member]
Adjustments for Change in Accounting Principle
Adjustments For Change In Accounting Principle [Axis]
Adjustments for Change in Accounting Principle
Change In Accounting Principle [Member]
Commission contract.
Commission Contract
Commission Contract [Member]
Restatement
Restatement [Axis]
Restatement
Restatement [Domain]
Restatement Adjustment
Restatement Adjustment [Member]
Concentration Risk Benchmark
Concentration Risk By Benchmark [Axis]
Concentration Risk Benchmark
Concentration Risk Benchmark [Domain]
Sales Revenue, Net
Sales Revenue Net [Member]
Concentration Risk Type
Concentration Risk By Type [Axis]
Concentration Risk Type
Concentration Risk Type [Domain]
Concentration of Credit Risk
Customer Concentration Risk [Member]
Customer
Major Customers [Axis]
Customer
Name Of Major Customer [Domain]
Customer one.
Customer One
Customer One [Member]
Customer two.
Customer Two
Customer Two [Member]
Net Accounts Receivable
Accounts Receivable [Member]
Advertising customers.
Advertising Customers
Advertising Customers [Member]
Statistical Measurement
Range [Axis]
Statistical Measurement
Range [Member]
Minimum
Minimum [Member]
Maximum
Maximum [Member]
Property, Plant and Equipment, Type
Property Plant And Equipment By Type [Axis]
Property, Plant and Equipment, Type
Property Plant And Equipment Type [Domain]
Website and Software Development Costs
Software And Software Development Costs [Member]
Balance Sheet Location
Balance Sheet Location [Axis]
Balance Sheet Location
Balance Sheet Location [Domain]
Other Non-Current Assets
Other Noncurrent Assets [Member]
Prepaid expenses and prepaid income taxes.
Prepaid Expenses and Prepaid Income Taxes
Prepaid Expenses And Prepaid Income Taxes [Member]
Internal Use Software
Software Development [Member]
Accounting Standards Update 2016-09
Accounting Standards Update201609 [Member]
Geographical
Statement Geographical [Axis]
Geographical
Segment Geographical [Domain]
Boston, Massachusetts at 1001 Boylston Street.
Boston, Massachusetts at 1001 Boylston Street
Boston Massachusetts One Zero Zero One Boylston Street [Member]
Cambridge, Massachusetts at 55 Cambridge Parkway.
Cambridge, Massachusetts at 55 Cambridge Parkway
Cambridge Massachusetts Fifty Five Cambridge Parkway [Member]
Needham, Massachusetts
MASSACHUSETTS
Cambridge, Massachusetts at 121 First Street.
Cambridge, Massachusetts at 121 First Street
Cambridge Massachusetts One Two One First Street [Member]
Dublin, Ireland
IRELAND
Cambridge, Massachusetts at 2 Canal Park.
Cambridge, Massachusetts at 2 Canal Park
Cambridge Massachusetts Two Canal Park [Member]
ASC 842
Accounting Standards Update201602 [Member]
Summary Of Significant Accounting Policies [Line Items]
Summary Of Significant Accounting Policies [Line Items]
Payment of revenue, performance obligation, description of payment terms
Revenue Performance Obligation Description Of Payment Terms
Disaggregation Of Revenue [Table]
Disaggregation Of Revenue [Table]
Advertising and other revenue.
Advertising and Other Revenue
Advertising And Other Revenue [Member]
Disaggregation Of Revenue [Line Items]
Disaggregation Of Revenue [Line Items]
Revenue by Revenue Stream [Abstract]
Disaggregation Of Revenue [Abstract]
Costs to obtain a contract
Capitalized Contract Cost Net
Capitalized Contract Cost
Capitalized Contract Cost [Axis]
Capitalized Contract Cost
Capitalized Contract Cost [Domain]
Costs to obtain a contract.
Costs To Obtain a Contract
Costs To Obtain A Contract [Member]
Current assets:
Accounts receivable, net
Liabilities and stockholders’ equity
Liabilities And Stockholders Equity [Abstract]
Current liabilities:
Deferred tax liabilities
Deferred Tax Liabilities Current
Preferred stock
Cumulative effect reduction in deferred tax assets.
Reduction to accumulated deficit
Reduction to deferred tax assets
Cumulative Effect Reduction In Deferred Tax Assets
Pro Forma as if the Previous Accounting Guidance was in Effect
Calculated Under Revenue Guidance In Effect Before Topic606 [Member]
Assets
Liabilities
Income before income taxes
Basic net income per share
Diluted net income per share
Accounts Receivable, net
Contract Assets(current)
Contract Assets(non-current)
Revenue recognized
Contract With Customer Liability Revenue Recognized
Performance obligation unsatisfied
Revenue Remaining Performance Obligation
Description of significant off-balance sheet risk
Concentration Risk Credit Risk Financial Instruments Off Balance Sheet Risk
Number of major customers.
Concentration of credit risk, percentage
Concentration Risk Percentage1
Number of major customers
Number Of Major Customers
Unbilled accounts receivables
Unbilled Receivables Current
Maturity of certificates of deposit, description
Maturities Of Time Deposits Description
Maturity period of certificates of deposit
Maturity Of Time Deposits
Amortization (accretion) of premiums or discounts
Accretion Amortization Of Discounts And Premiums Investments
Realized gains or losses on investments
Realized Investment Gains Losses
Other than temporary impairments recognized in statements of operations
Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Heldtomaturity Securities
Restricted cash
Restricted Cash
Receivables [Abstract]
Balance at Beginning of Period
Write–offs, net of recoveries
Allowance For Doubtful Accounts Receivable Write Offs
Balance at End of Period
Schedule Of Property Plant And Equipment [Table]
Schedule Of Property Plant And Equipment [Table]
Capitalized Equipment
Computer Equipment [Member]
Capitalized Software
Capitalized Website Development Costs
Furniture and Fixtures
Furniture And Fixtures [Member]
Leasehold Improvements
Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Property Plant And Equipment [Line Items]
Estimated Useful Life
Property Plant And Equipment Useful Life
Estimated Useful Life
Property Plant And Equipment Estimated Useful Lives
Impairment of long lived assets
Impairment Of Long Lived Assets To Be Disposed Of
Business acquisition valuation period
Business Acquisition Period Results Included In Combined Entity1
Estimated useful lives
Finite Lived Intangible Asset Useful Life
Number of reporting units
Number Of Reporting Units
Software and website development costs capitalized
Capitalized Computer Software Net
Amortization expense
Capitalized Computer Software Amortization1
Estimated useful life
Liabilities for uncertain tax positions
Liability For Uncertain Tax Positions Current
Unrecognized stock-based compensation expense related to stock-based awards
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options
Options granted during period
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
Advertising expense
Advertising Expense
Operating lease of office space
Land Subject To Ground Leases
Lessee, operating lease, existence of option to terminate
Lessee Operating Lease Existence Of Option To Terminate
Lessee, operating lease, option to terminate
Lessee Operating Lease Option To Terminate
Operating lease, option to extend
Lessee Operating Lease Option To Extend
Lessee, operating lease, renewal term
Lessee Operating Lease Renewal Term
Operating lease rent increasing year.
Operating lease, rent increasing year
Operating Lease Rent Increasing Year
Deferred rent and rent incentives
Deferred Rent Credit
Deferred rent and rent incentives, current
Deferred rent and rent incentives, noncurrent
Rent expense
Lease And Rental Expense
Net lease assets
Lease liabilities
Operating Lease Liability
Lease costs
Lease Cost
Weighted average remaining lease term
Operating Lease Weighted Average Remaining Lease Term1
Weighted average discount rate
Operating Lease Weighted Average Discount Rate Percent
Operating Lease Commitments
Operating Lease Liabilities Payments Due [Abstract]
2020
Lessee Operating Lease Liability Payments Due Next Twelve Months
2021
Lessee Operating Lease Liability Payments Due Year Two
2022
Lessee Operating Lease Liability Payments Due Year Three
2023
Lessee Operating Lease Liability Payments Due Year Four
2024
Lessee Operating Lease Liability Payments Due Year Five
Thereafter
Lessee Operating Lease Liability Payments Due After Year Four
Total lease payments
Lessee Operating Lease Liability Payments Due
Less imputed interest
Lessee Operating Lease Liability Undiscounted Excess Amount
Total
Lessee operating lease lease not yet commenced option to extend amount.
Future minimum lease payments for leases signed but not yet commenced
Lessee Operating Lease Lease Not Yet Commenced Option To Extend Amount
Schedule Of Business Acquisitions By Acquisition [Table]
Schedule Of Business Acquisitions By Acquisition [Table]
Business Acquisition
Business Acquisition [Axis]
Business Acquisition, Acquiree
Business Acquisition Acquiree [Domain]
PistonHeads Holdco Limited.
PistonHeads Holdco Limited
Piston Heads Holdco Limited [Member]
United Kingdom
UNITED KINGDOM
Collaborative Arrangement and Arrangement Other than Collaborative
Type Of Arrangement [Axis]
Collaborative Arrangement and Arrangement Other than Collaborative
Arrangements And Nonarrangement Transactions [Member]
Put and call option agreement.
Put and Call Option Agreement
Put And Call Option Agreement [Member]
Escrow agreement.
Escrow Agreement
Escrow Agreement [Member]
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Payments to acquire business
Acquisition-related costs incurred
Business Combination Acquisition Related Costs
Business acquisition completed date
Business Acquisition Effective Date Of Acquisition1
Business combination recognized identifiable assets acquired goodwill and liabilities assumed after adjustments.
Business combination recognized identifiable assets acquired and liabilities assumed intangibles after adjustment.
Goodwill after adjustment.
Business combination recognized identifiable assets acquired and liabilities assumed deferred tax liabilities noncurrent after adjustments.
Business combination recognized identifiable assets acquired goodwill and liabilities assumed net adjustment.
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangibles Adjustment
Business combination recognized identifiable assets acquired and liabilities assumed deferred tax liabilities noncurrent adjustment.
Intangible assets, Estimated fair value
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangibles
Deferred tax liabilities, Estimated Fair Value
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deferred Tax Liabilities Noncurrent
Total purchase price, Estimated fair value
Business Combination Recognized Identifiable Assets Acquired Goodwill And Liabilities Assumed Net
Intangible assets, Adjustment
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangibles Adjustment
Goodwill, Adjustment
Goodwill Purchase Accounting Adjustments
Deferred tax liabilities, Adjustment
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deferred Tax Liabilities Noncurrent Adjustment
Total purchase price, Adjustment
Business Combination Recognized Identifiable Assets Acquired Goodwill And Liabilities Assumed Net Adjustment
Intangible assets, Adjusted fair value
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangibles After Adjustment
Goodwill, Adjusted fair value
Goodwill After Adjustment
Deferred tax liabilities, Adjusted fair value
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deferred Tax Liabilities Noncurrent After Adjustments
Total purchase price , Adjusted fair value
Business Combination Recognized Identifiable Assets Acquired Goodwill And Liabilities Assumed After Adjustments
Finite-Lived Intangible Assets by Major Class
Finite Lived Intangible Assets By Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name
Finite Lived Intangible Assets Major Class Name [Domain]
Brand.
Brand
Brand [Member]
Customer Relationships
Customer Relationships [Member]
Intangible assets
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Measurement Frequency
Fair Value By Measurement Frequency [Axis]
Measurement Frequency
Fair Value Measurement Frequency [Domain]
Fair Value, Measurements, Recurring
Fair Value Measurements Recurring [Member]
Asset Class
Fair Value By Asset Class [Axis]
Asset Class
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation By Asset Class [Domain]
Money Market Funds
Money Market Funds [Member]
Fair Value Hierarchy and NAV
Fair Value By Fair Value Hierarchy Level [Axis]
Fair Value Hierarchy and NAV
Fair Value Measurements Fair Value Hierarchy [Domain]
Quoted Prices in Active Markets for Identical Assets (Level 1 Inputs)
Fair Value Inputs Level1 [Member]
Significant Other Observable Inputs (Level 2 Inputs)
Fair Value Inputs Level2 [Member]
Significant Unobservable Inputs (Level 3 Inputs)
Fair Value Inputs Level3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cash equivalents:
Cash And Cash Equivalents Fair Value Disclosure
Investments:
Debt Securities, Held-to-maturity, Type [Extensible List]
Debt Securities Held To Maturity Type Extensible List
Total
Assets Fair Value Disclosure
Liabilities, fair value
Liabilities Fair Value Disclosure
Cash and cash equivalents and held to maturity amortized cost.
Cash and cash equivalents and held to maturity fair value.
Cash and cash equivalents due in 90 days or less, Amortized Cost
Certificates of deposit due in one year or less, Amortized Cost
Held To Maturity Securities
Total cash, cash equivalents, and investments, Amortized Cost
Cash And Cash Equivalents And Held To Maturity Amortized Cost
Cash and cash equivalents due in 90 days or less, Estimated Fair Value
Certificates of deposit due in one year or less, Estimated Fair Value
Held To Maturity Securities Fair Value
Total cash, cash equivalents, and investments, Estimated Fair Value
Cash And Cash Equivalents And Held To Maturity Fair Value
Capitalized Equipment
Equipment [Member]
Construction in Progress
Construction In Progress [Member]
Finance lease right-of-use assets.
Finance Lease Right-of-use Assets
Finance Lease Right Of Use Assets [Member]
Property and equipment, gross
Property Plant And Equipment Gross
Less accumulated depreciation and amortization
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Property and equipment, net
Depreciation
Depreciation
Increase (decrease) in property and equipment
Property Plant And Equipment Gross Period Increase Decrease
Balance at December 31, 2018
Initial value of PistonHeads acquisition
Goodwill Acquired During Period
Foreign currency translation adjustment
Goodwill Foreign Currency Translation Gain Loss
Purchase price adjustment
Balance at December 31, 2019
Schedule Of Finite Lived Intangible Assets [Table]
Schedule Of Finite Lived Intangible Assets [Table]
Finite Lived Intangible Assets [Line Items]
Finite Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Life (years)
Acquired Finite Lived Intangible Assets Weighted Average Useful Life
Gross Carrying Amount
Finite Lived Intangible Assets Gross
Accumulated Amortization
Finite Lived Intangible Assets Accumulated Amortization
Net Carrying Amount
Schedule Of Goodwill [Table]
Schedule Of Goodwill [Table]
Goodwill [Line Items]
Goodwill [Line Items]
Amortization expense of intangible assets
Amortization Of Intangible Assets
Estimated useful life
Goodwill impairment
Goodwill Impairment Loss
2020
Finite Lived Intangible Assets Amortization Expense Next Twelve Months
2021
Finite Lived Intangible Assets Amortization Expense Year Two
2022
Finite Lived Intangible Assets Amortization Expense Year Three
2023
Finite Lived Intangible Assets Amortization Expense Year Four
2024
Finite Lived Intangible Assets Amortization Expense Year Five
2025 and thereafter
Finite Lived Intangible Assets Amortization Expense After Year Five
Other accrued expenses, accrued income taxes and other liabilities
Accrued bonus
Accrued Bonuses Current
Other accrued expenses, accrued income taxes and other current liabilities
Other Accrued Expenses Accrued Income Taxes And Other Liabilities
Total
Unpaid property and equipment
Schedule Of Stock By Class [Table]
Schedule Of Stock By Class [Table]
Recapitalized reclassified and reconstituted class A common stock.
Class A Common Stock Recapitalized, Reclassified And Reconstituted [Member]
Recapitalized Reclassified And Reconstituted Class A Common Stock [Member]
Recapitalized reclassified and reconstituted class B common stock.
Class B Common Stock Recapitalized, Reclassified And Reconstituted [Member]
Recapitalized Reclassified And Reconstituted Class B Common Stock [Member]
Class Of Stock [Line Items]
Class Of Stock [Line Items]
Preferred stock, shares authorized
Temporary Equity Shares Authorized
Preferred stock, par value
Temporary Equity Par Or Stated Value Per Share
Number of fully paid and non-assessable shares of outstanding common stock issued in conversion.
Number of fully paid and non-assessable shares issued upon exercise of stock options or vesting of restricted stock units.
Percentage of common stock exercise price adjusted.
Percentage of common stock fair value adjusted prior to recapitalization.
Common stock issued in conversion
Number Of Fully Paid And Non Assessable Shares Of Outstanding Common Stock Issued In Conversion
Common stock conversion terms
Common Stock Conversion Basis
Number of shares issued upon exercise of outstanding stock options or vesting of outstanding RSUs
Number Of Fully Paid And Non Assessable Shares Issued Upon Exercise Of Stock Options Or Vesting Of Restricted Stock Units
Percentage of common stock exercise price adjusted
Percentage Of Common Stock Exercise Price Adjusted
Percentage of common stock fair value adjusted prior to recapitalization
Percentage Of Common Stock Fair Value Adjusted Prior To Recapitalization
Common stock exercise feature
Common Stock Call Or Exercise Features
Number of votes entitled to stockholders per share.
Number of votes entitled to stockholders per share
Number Of Votes Entitled To Stockholders Per Share
Common stock conversion feature
Common Stock Conversion Features
Class of share converted to another class
Conversion Of Stock Type Of Stock Converted
Conversion of stock
Conversion Of Stock Shares Issued1
Temporary Equity Disclosure [Abstract]
Temporary Equity By Class Of Stock [Table]
Temporary Equity By Class Of Stock [Table]
Temporary Equity [Line Items]
Temporary Equity [Line Items]
Original Issue Price Per Share
Share Price
Shares Authorized
Outstanding
Liquidation Amount
Temporary Equity Liquidation Preference
Carrying Value
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table]
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table]
Plan Name
Plan Name [Axis]
Plan Name
Plan Name [Domain]
Two thousand six plan.
2006 Plan
Two Thousand Six Plan [Member]
Two thousand fifteen plan.
2015 Plan
Two Thousand Fifteen Plan [Member]
Award Type
Award Type [Axis]
Award Type
Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain]
Stock Options
Employee Stock Option [Member]
RSUs
Restricted Stock Units R S U [Member]
Two thousand seventeen plan.
2017 Plan
Two Thousand Seventeen Plan [Member]
Award Date
Award Date [Axis]
Award Date
Award Date [Domain]
Two thousand seventeen.
Awarded Under 2017 Plan
Two Thousand Seventeen [Member]
Two Thousand Fifteen .
Awarded Under 2015 Plan
Two Thousand Fifteen [Member]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Number of shares authorized for issuance
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized
Stock options, granted
Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Granted
Number of RSUs granted in period
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period
Term of authorized shares
Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period
Number of additional shares authorized
Share Based Compensation Arrangement By Share Based Payment Award Number Of Additional Shares Authorized
Award expiration date
Share Based Compensation Arrangement By Share Based Payment Award Expiration Date
Equity Incentive Plan, plan modification, description and terms
Share Based Compensation Arrangement By Share Based Payment Award Plan Modification Description And Terms
Number of shares called by each instrument
Class Of Warrant Or Right Number Of Securities Called By Each Warrant Or Right
Share based compensation arrangement by share based payment award number of additional shares authorized percentage.
Equity incentive plan, issuance of additional shares, description and terms
Share Based Compensation Arrangement By Share Based Payment Award Description
Equity incentive plan, additional shares authorized percentage
Share Based Compensation Arrangement By Share Based Payment Award Number Of Additional Shares Authorized Percentage
Number of shares available for issuance during period
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common Stock
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Roll Forward
Outstanding, Beginning balance
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
Exercised
Forfeited and cancelled
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period
Outstanding, Ending balance
Options exercisable
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
Weighted-Average Exercise Price for Equity
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Rollforward
Outstanding, Beginning balance
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
Granted
Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
Exercised
Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
Forfeited and cancelled
Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price
Outstanding, Ending balance
Options exercisable
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
Weighted-Average Remaining Contractual Life (In Years)
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Remaining Contractual Term Rollforward
Outstanding
Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
Options exercisable
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
Aggregate Intrinsic Value
Share Based Compensation Arrangement By Share Based Payment Award Options Additional Disclosures [Abstract]
Outstanding, Beginning balance
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
Exercised
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
Outstanding, Ending balance
Options exercisable
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1
Number of options granted in period
Aggregate intrinsic value for options exercised
Unrecognized stock-based compensation expense related to stock options
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options
Unrecognized stock-based compensation expense, expected period for recognition
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1
Number of Shares
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Roll Forward
Unvested outstanding, beginning balance
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number
Granted
Vested
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period
Forfeited
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period
Unvested outstanding, ending balance
Weighted-Average Grant Date Fair Value
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value Roll Forward
Unvested outstanding, beginning balance
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value
Granted
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value
Vested
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value
Forfeited
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value
Unvested outstanding, ending balance
Aggregate Intrinsic Value
Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value [Abstract]
Unvested outstanding, beginning balance
Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Nonvested
Unvested outstanding, ending balance
Weighted average grant date fair value of RSUs granted
Share based compensation arrangement by share based payment award equity instruments other than options vested and settled in period.
Number of RSUs vested and settled during period
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Settled In Period
Number of RSUs vested in period
Total fair value of RSUs vested
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value
Unrecognized stock-based compensation expense related to RSUs
Total stock-based compensation expense
Allocated Share Based Compensation Expense
Income Statement Location
Income Statement Location [Axis]
Income Statement Location
Income Statement Location [Domain]
Cost of Revenue
Cost Of Sales [Member]
Sales and Marketing Expense
Selling And Marketing Expense [Member]
Product technology and development expense.
Product, Technology, and Development Expense
Product Technology And Development Expense [Member]
General and Administrative Expense
General And Administrative Expense [Member]
Capitalized software development costs and internal-use software costs excluded from stock-based compensation expense
Income tax benefit from stock-based compensation expense
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
Employee tax withholding requirements and option costs due to net share settlement
Total payments for employees' tax obligations to taxing authorities due to net share settlements
Total shares of authorized common stock reserved for future issuance
Common Stock Capital Shares Reserved For Future Issuance
Schedule Of Earnings Per Share Basic By Common Class [Table]
Schedule Of Earnings Per Share Basic By Common Class [Table]
Earnings Per Share Basic [Line Items]
Earnings Per Share Basic [Line Items]
Convertible preferred stock, terms of conversion
Convertible Preferred Stock Terms Of Conversion
Conversion of preferred stock
Undistributed earnings ratio used to calculate allocation to class of stock.
Right to voting
Common Stock Voting Rights
Conversion of stock, description
Conversion Of Stock Description
Undistributed earnings ratio used to calculate allocation to class of stock
Undistributed Earnings Ratio Used To Calculate Allocation To Class Of Stock
Numerator:
Net Income Loss [Abstract]
Denominator:
Weighted–average number of shares of common stock used in computing net income per share attributable to common stockholders — basic
Weighted Average Number Of Shares Outstanding Basic
Dilutive effect of share equivalents resulting from stock options
Incremental Common Shares Attributable To Share Based Payment Arrangements
Dilutive effect of share equivalents resulting from unvested restricted stock units
Incremental Common Shares Attributable To Equity Unit Purchase Agreements
Weighted–average number of shares of common stock used in computing net income per share — diluted
Weighted Average Number Of Diluted Shares Outstanding
Net income per share attributable to common stockholders:
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]
Antidilutive Securities
Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis]
Antidilutive Securities, Name
Antidilutive Securities Name [Domain]
Restricted Stock Units Outstanding
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Potentially dilutive common stock equivalents excluded from calculation of diluted weighted-average shares outstanding
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments [Abstract]
United States
Income Loss From Continuing Operations Before Income Taxes Domestic
Foreign
Income Loss From Continuing Operations Before Income Taxes Foreign
Current (benefit) provision:
Current Income Tax Expense Benefit Continuing Operations [Abstract]
Federal
Current Federal Tax Expense Benefit
State
Current State And Local Tax Expense Benefit
Foreign
Current Foreign Tax Expense Benefit
Current (benefit) provision
Current Income Tax Expense Benefit
Deferred (benefit) provision:
Deferred Income Tax Expense Benefit Continuing Operations [Abstract]
Federal
Deferred Federal Income Tax Expense Benefit
State
Deferred State And Local Income Tax Expense Benefit
Foreign
Deferred Foreign Income Tax Expense Benefit
Deferred (benefit) provision
Income tax (benefit) provision
Effective income tax rate reconciliation, deductions tax deductible IPO costs.
Effective income tax rate reconciliation, stock compensation benefit.
Effective Income Tax Rate Continuing Operations Tax Rate Reconciliation [Abstract]
U.S. federal taxes at statutory rate
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
State taxes, net of federal benefit
Effective Income Tax Rate Reconciliation State And Local Income Taxes
Nondeductible expenses
Effective Income Tax Rate Reconciliation Nondeductible Expense
Tax deductible IPO costs
Effective Income Tax Rate Reconciliation Deductions Tax Deductible I P O Costs
Stock compensation
Effective Income Tax Rate Reconciliation Stock Compensation Benefit
Foreign rate differential
Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential
Credits
Effective Income Tax Rate Reconciliation Tax Credits
Other
Effective Income Tax Rate Reconciliation Other Reconciling Items Percent
Total
Effective Income Tax Rate Continuing Operations
Deferred tax assets landlord allowance on leasehold improvements.
Deferred tax assets lease liability.
Deferred tax assets tax deferred expense deferred rent.
Deferred tax liabilities right of use assets.
Deferred tax liabilities, unbilled revenue.
Deferred tax assets:
Deferred Tax Assets Gross [Abstract]
Net operating loss carryforwards
Deferred Tax Assets Operating Loss Carryforwards
Credit carryforwards
Deferred Tax Assets Tax Credit Carryforwards
Stock-based compensation
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
Landlord allowance on leasehold improvements
Deferred Tax Assets Landlord Allowance On Leasehold Improvements
Lease liability
Deferred Tax Assets Lease Liability
Intangible Assets
Deferred Tax Assets Goodwill And Intangible Assets
Deferred rent
Deferred Tax Assets Tax Deferred Expense Deferred Rent
Accruals and reserves
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals
Deferred tax assets
Deferred Tax Assets Gross
Valuation Allowance
Deferred Tax Assets Valuation Allowance
Valuation Allowance, net
Deferred Tax Assets Net
Deferred tax liabilities:
Deferred Tax Liabilities [Abstract]
Prepaid expenses
Deferred Tax Liabilities Prepaid Expenses
Deferred commissions
Deferred Tax Liabilities Deferred Expense
Right of use assets
Deferred Tax Liabilities Right Of Use Assets
Unbilled revenue
Deferred Tax Liabilities Unbilled Revenue
Fixed assets
Deferred Tax Liabilities Property Plant And Equipment
Deferred tax liability
Deferred Income Tax Liabilities
Net deferred tax assets
Deferred Tax Assets Liabilities Net
Income tax disclosure.
Income tax disclosure.
Income Tax Disclosure [Table]
Income Tax Disclosure [Table]
Income Tax Authority, Name
Income Tax Authority Name [Axis]
Income Tax Authority, Name
Income Tax Authority Name [Domain]
Internal Revenue Service (IRS)
Internal Revenue Service I R S [Member]
Income Tax Authority
Income Tax Authority [Axis]
Income Tax Authority
Income Tax Authority [Domain]
Federal
Domestic Country [Member]
State
State And Local Jurisdiction [Member]
UK Revenue Agency
Her Majestys Revenue And Customs H M R C [Member]
Canada Revenue Agency
Canada Revenue Agency [Member]
Revenue Commissioners, Ireland
Revenue Commissioners Ireland [Member]
Foreign
Foreign Country [Member]
Income Tax Disclosure [Line Items]
Income Tax Disclosure [Line Items]
Change in valuation allowance
Percentage of annual limitation of taxable income.
Tax credit carryforward limitations on use, cumulative ownership change, percentage.
Tax credit carryforward limitations on use, cumulative ownership change, period.
Tax credit carryforward expiration year.
State net operating loss carryforward, expiration year.
Deferred tax assets, federal net operating loss carryforwards
Deferred Tax Assets Operating Loss Carryforwards Domestic
Deferred tax assets, state net operating loss carryforwards
Deferred Tax Assets Operating Loss Carryforwards State And Local
Percentage of annual limitation of taxable income
Percentage Of Annual Limitation Of Taxable Income
Tax credit carryforwards
Tax Credit Carryforward Amount
State net operating loss carryforward, expiration year
State Net Operating Loss Carryforward Expiration Year
Tax credit carryforward, expiration year
Tax Credit Carryforward Expiration Year
Tax credit carryforward limitations on use, cumulative ownership change percentage
Tax Credit Carryforward Limitations On Use Cumulative Ownership Change Percentage
Tax credit carryforward limitations on use, cumulative ownership change, period
Tax Credit Carryforward Limitations On Use Cumulative Ownership Change Period
Tax credit carryforward, limitations on use
Tax Credit Carryforward Limitations On Use
Liabilities for uncertain tax positions
Unrecognized Tax Benefits
Accrued interest or penalties related to uncertain tax positions
Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued
Closed tax year.
Income tax examination year under examination
Income Tax Examination Year Under Examination
Open tax year
Open Tax Year
Closed tax year
Closed Tax Year
Schedule Of Segment Reporting Information By Segment [Table]
Schedule Of Segment Reporting Information By Segment [Table]
Segments
Statement Business Segments [Axis]
Segments
Segment [Domain]
International segment.
International
International Segment [Member]
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Number of reportable segments
Number Of Reportable Segments
United states segment.
United States
United States Segment [Member]
Segment revenue:
Segment Reporting Information Revenue [Abstract]
Segment income (loss) from operations:
Segment Reporting Information Operating Income Loss [Abstract]
Total income from operations
Employer matching contribution, percent of match
Defined Contribution Plan Employer Matching Contribution Percent Of Match
Defined contribution plan, maximum annual contributions per employee, percent
Defined Contribution Plan Maximum Annual Contributions Per Employee Percent
Annual maximum amount of employee contributions
Defined Contribution Plan Maximum Annual Contributions Per Employee Amount
Defined contribution plan, employer contribution
Defined Contribution Plan Employer Discretionary Contribution Amount
Cost of revenue
Gross profit
Income from operations
Net income
Subsequent Event [Table]
Subsequent Event [Table]
Auto List, Inc.
Auto List, Inc
Auto List Inc [Member]
Subsequent Event Type
Subsequent Event Type [Axis]
Subsequent Event Type
Subsequent Event Type [Domain]
Subsequent Event
Subsequent Event [Member]
San Francisco, California
CALIFORNIA
Subsequent Event [Line Items]
Subsequent Event [Line Items]
Business acquisition date
Amount held in escrow
Escrow Deposit