Vesting of restricted stock units, net of shares withheld for taxes (in shares) Restricted Stock Units, Shares Issued Net Of Shares For Tax Withholdings Restricted Stock Units, Shares Issued Net Of Shares For Tax Withholdings Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Pay vs Performance Disclosure [Line Items] Changes In Valuation Allowance [Roll Forward] Changes In Valuation Allowance [Roll Forward] Changes In Valuation Allowance [Roll Forward] Proceeds from sales of available-for-sale investments Gross Proceeds from Sales Proceeds from Sale of Debt Securities, Available-for-Sale Entity Voluntary Filers Entity Voluntary Filers Accrued expenses Accrued Liabilities, Current Statistical Measurement [Domain] Statistical Measurement [Domain] Research and product development Research and Development Expense Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Award Type [Domain] Award Type [Domain] Fair Value as of Grant Date Award Grant Date Fair Value Investment, Name [Domain] Investment, Name [Domain] Unvested, beginning balance (in shares) Unvested, ending balance (in shares) Unvested restricted stock units (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Other current liabilities Other Current Liabilities [Member] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Customers of Third-Party Risk Mitigation Provider Customers Of Third-Party Risk Mitigation Provider [Member] Customers Of Third-Party Risk Mitigation Provider Research and Product Development Research and Development Expense, Policy [Policy Text Block] Investments, Debt and Equity Securities [Abstract] Schedule of Available-for-sale Securities Schedule of Available-for-Sale Securities Reconciliation [Table Text Block] 2024 Capitalized Computer Software, Amortization Expense, Year One Capitalized Computer Software, Amortization Expense, Year One MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Segment Reporting [Abstract] Segment Reporting [Abstract] Accounts payable Accounts Payable, Current Options exercisable (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Computer equipment Computer Equipment [Member] Discontinued Operations and Disposal Groups [Abstract] Research and Development [Abstract] Research and Development [Abstract] Restatement Determination Date: Restatement Determination Date [Axis] Investment, Name [Axis] Investment, Name [Axis] Capitalized contract cost, impairment loss Capitalized Contract Cost, Impairment Loss U.S. federal statutory income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Commitments and contingencies (Note 10) Commitments and Contingencies Insider Trading Policies and Procedures [Line Items] Options exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] 2028 Lessee, Operating Lease, Liability, to be Paid, Year Five Schedule of Restricted Stock Activity Nonvested Restricted Stock Shares Activity [Table Text Block] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Stockholders' Equity Equity [Text Block] Deposits held with a third party related to insurance services collateral Property, Liability And Casualty Insurance, Deposits Held With Third Party As Collateral For Services Property, Liability And Casualty Insurance, Deposits Held With Third Party As Collateral For Services Income Taxes Income Tax Disclosure [Text Block] Expected dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Leases Lessee, Leases [Policy Text Block] Customer [Axis] Customer [Axis] Current liabilities Liabilities, Current [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, $0.0001 par value, 25,000 shares authorized and no shares issued and outstanding as of December 31, 2023 and December 31, 2022 Preferred Stock, Value, Issued Weighted Average Grant Date Fair Value per Share Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Impairment, long-lived asset, held-for-use Impairment, Long-Lived Asset, Held-for-Use Diluted (in dollars per share) Net income (loss) per common share, diluted (in dollars per share) Earnings Per Share, Diluted PEO Total Compensation Amount PEO Total Compensation Amount Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Treasury stock, at cost, 419 shares of Class A common stock as of December 31, 2023 and December 31, 2022 Treasury Stock, Value Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Goodwill [Roll Forward] Goodwill [Roll Forward] Options vested and expected to vest (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Impairment related to ROU assets Impairment, Lessor Asset under Operating Lease Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Lease renewal term Lessor, Operating Lease, Renewal Term Treasury stock (in shares) Treasury Stock, Common, Shares Options outstanding, beginning balance (in shares) Options outstanding, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Amortized Cost Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost [Abstract] Share-based payment arrangement, accelerated cost Share-Based Payment Arrangement, Accelerated Cost Estimated Fair Value Available-for-sale investment securities: Available-for-sale investment securities: Debt Securities, Available-for-Sale, Excluding Accrued Interest Capitalized Software Development Costs, net Research, Development, and Computer Software Disclosure [Text Block] Litigation Case [Axis] Litigation Case [Axis] Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Trading Symbol Trading Symbol Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Non-compete agreements Noncompete Agreements [Member] Options granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted average grant-date fair value (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Net income (loss) Net income (loss) Net income (loss) Net Income (Loss) Total current liabilities Liabilities, Current Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Company Selected Measure Name Company Selected Measure Name Due after one year through three years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five Leases Lessee, Operating Leases [Text Block] Corporate bonds Corporate bonds Corporate Bond Securities [Member] Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] Operating lease, payment to be received Lessor, Operating Lease, Payment to be Received Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Compensation Related Costs [Abstract] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Investment Securities and Fair Value Measurements Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Stockholders’ equity: Equity, Attributable to Parent [Abstract] Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Schedule of Unrecognized Tax Benefits Roll Forward Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Exercise of stock options (in shares) Options exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Executive Category: Executive Category [Axis] Class B common stock Common Class B [Member] Schedule of Weighted Average Number of Shares Schedule of Weighted Average Number of Shares [Table Text Block] Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Options exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Level 1 Fair Value, Inputs, Level 1 [Member] Name Measure Name Deferred tax assets, net of valuation allowance Deferred Tax Assets, Net of Valuation Allowance Patents Patents [Member] Name Forgone Recovery, Individual Name Goodwill Goodwill, beginning balance Goodwill, ending balance Goodwill Schedule of Estimated Useful Lives of Property and Equipment Property and Equipment, net Property, Plant and Equipment [Table Text Block] Equity Components [Axis] Equity Components [Axis] Research tax credit carryforward Research Tax Credit Carryforward [Member] Financial Instruments [Domain] Financial Instruments [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Options granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Underlying Securities Award Underlying Securities Amount Entity Small Business Entity Small Business Weighted average common shares outstanding: Denominator Weighted Average Number of Shares Outstanding, Basic [Abstract] 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Four Local Phone Number Local Phone Number Accounts receivable Increase (Decrease) in Accounts Receivable Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Accounts Receivable Accounts Receivable [Member] Stock-based compensation expense Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Percent Changes in unrealized gains (losses) on investment securities, net of tax Other comprehensive income (loss) OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Measurement Frequency [Axis] Measurement Frequency [Axis] Operating lease liabilities Operating lease liabilities Operating Lease, Liability, Noncurrent Available-for-sale Investments, by Remaining Contract Maturity Investments Classified by Contractual Maturity Date [Table Text Block] Restricted Stock Units RSUs Restricted Stock Units (RSUs) [Member] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Depreciation expense on property and equipment Depreciation Retirement Benefits [Abstract] Retirement Benefits [Abstract] Investment securities—noncurrent Debt Securities, Available-for-Sale, Excluding Accrued Interest, Noncurrent Income Statement Location [Axis] Income Statement Location [Axis] Research and development tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Schedule of Minimum Lease Payments Under Leases Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] 2025 Capitalized Computer Software, Amortization Expense, Year Two Capitalized Computer Software, Amortization Expense, Year Two Cash, Cash Equivalents and Restricted Cash Cash and Cash Equivalents, Policy [Policy Text Block] Cost of Revenue (Exclusive of Depreciation and Amortization) Cost of Goods and Service [Policy Text Block] Product and Service [Domain] Product and Service [Domain] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Other Performance Measure, Amount Other Performance Measure, Amount Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Schedule of Components of Lease Expense Lease, Cost [Table Text Block] Cash from investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Research and product development Research and Development Expense [Member] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Balance as of December 31, 2022 Balance as of December 31, 2023 Restructuring Reserve Shares excluded from net loss per share attributable to common stockholders (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Award Type [Axis] Award Type [Axis] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Remaining stock-based compensation expense for unvested shares, not yet recognized Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Murphy Litigation Murphy Litigation [Member] Murphy Litigation General and administrative General and Administrative Expense [Member] Gross property and equipment Property, Plant and Equipment, Gross Options outstanding (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Right-of-use assets obtained in exchange for operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration] Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration] Trading Arrangement: Trading Arrangement [Axis] Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Use of Estimates Use of Estimates, Policy [Policy Text Block] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Schedule of Components of Income Tax Expense (Benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Entity File Number Entity File Number Loss Contingencies [Table] Loss Contingencies [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Deferred costs, current Capitalized Contract Cost, Net, Current Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Operating lease liabilities-current Other current liabilities Operating Lease, Liability, Current Common stock, number of votes Common Stock, Number Of Votes Per Common Share Common Stock, Number Of Votes Per Common Share Schedule of Capitalized Computer Software, Future Amortization Expense Schedule Of Capitalized Computer Software, Future Amortization Expense [Table Text Block] Schedule of Capitalized Computer Software, Future Amortization Expense [Table Text Block] Auditor Firm ID Auditor Firm ID Amortization of intangible assets Amortization of Intangible Assets Entity Shell Company Entity Shell Company 2026 Lessee, Operating Lease, Liability, to be Paid, Year Three WegoWise WegoWise [Member] WegoWise Net Carrying Value Finite-Lived Intangible Assets, Net Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Recent Accounting Pronouncements Adopted and Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Restatement Determination Date Restatement Determination Date Lease liability Deferred Tax Assets, Leasing Arrangements Deferred Tax Assets, Leasing Arrangements Accrued severance and related personnel cost Accrued Severance And Related Personnel Cost, Current Accrued Severance And Related Personnel Cost, Current Increases-tax positions in current year Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Accrued expenses and other liabilities Increase (Decrease) in Other Operating Liabilities Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Beginning of period End of period Total cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization 2025 Lessee, Operating Lease, Liability, to be Paid, Year Two Impairment of leased office property and equipment Impairment, Excluding Lessor Asset under Operating Lease Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Variable lease cost Variable Lease, Cost Operating lease cost Operating Lease, Cost Impairment of Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Disposal group, intangible assets Disposal Group, Including Discontinued Operation, Intangible Assets Common stock, shares issued (in shares) Common Stock, Shares, Issued Schedule of Restricted Stock Units Activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Severance costs Severance Costs Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Security Exchange Name Security Exchange Name Total Assets, Fair Value Disclosure Accrued payroll and other Accrued Payroll And Other, Current Accrued Payroll And Other, Current Impairment losses for goodwill Goodwill, Impairment Loss, Net of Tax Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Percentage of shares to vest Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Number of directors to authorized repurchases Stock Repurchase Program, Number Of Directors To Authorize Repurchases Stock Repurchase Program, Number Of Directors To Authorize Repurchases Options Options Employee Stock Option [Member] Class A common stock Common Class A [Member] Stock-based compensation expense, weighted average recognition period (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Total costs and operating expenses Costs and Expenses Stock Conversion Description [Axis] Stock Conversion Description [Axis] Maximum Maximum [Member] Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Restructuring and Related Costs Restructuring and Related Costs [Table Text Block] Document Type Document Type Unvested performance stock units (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number Tabular List, Table Tabular List [Table Text Block] Federal Domestic Tax Authority [Member] Entity Address, Address Line One Entity Address, Address Line One Cost of revenue (exclusive of depreciation and amortization) Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Federal Current Federal Tax Expense (Benefit) Gain recognized on sale of interest Equity Method Investment, Realized Gain (Loss) on Disposal Deferred costs Capitalized Contract Cost, Net Schedule of Product Information by Revenue Categories Schedule of Product Information [Table Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Other Other Noncash Income (Expense) Purchases of available-for-sale investments Payments to Acquire Debt Securities, Available-for-Sale Weighted Average Exercise Price per Share Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Deferred revenue Disposal Group, Including Discontinued Operation, Deferred Revenue Trademarks and trade names Trademarks and Trade Names [Member] Net operating loss carryforwards Operating Loss Carryforwards Customer Concentration Risk Customer Concentration Risk [Member] State and local Deferred State and Local Income Tax Expense (Benefit) Schedule of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Other current liabilities Other current liabilities Other Liabilities, Current Income Statement [Abstract] Income Statement [Abstract] Costs and operating expenses: Costs and Expenses [Abstract] Title of each class Title of 12(b) Security Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Capitalized software development costs during the period Capitalized Computer Software, Additions Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Less: weighted average unvested restricted shares subject to repurchase (in shares) Weighted Average Number of Shares, Restricted Stock Cash equivalents: Cash and Cash Equivalents, Fair Value Disclosure Schedule of Restructuring Reserve by Type of Cost Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Amortization period of deferred cost Capitalized Contract Cost, Amortization Period Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Unvested, beginning balance (in dollars per share) Unvested, ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Class of Stock [Line Items] Class of Stock [Line Items] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Diluted net income (loss) per share: Earnings Per Share, Diluted [Abstract] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Entity Tax Identification Number Entity Tax Identification Number Current Current Federal, State and Local, Tax Expense (Benefit) [Abstract] Amortization expense Capitalized Contract Cost, Amortization Total lease cost Lease, Cost Share-based payment arrangement, amount capitalized Share-Based Payment Arrangement, Amount Capitalized Statistical Measurement [Axis] Statistical Measurement [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Financial Instrument [Axis] Financial Instrument [Axis] Sales of Subsidiary Businesses Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Entity Interactive Data Current Entity Interactive Data Current Schedule of Sales and Maturities Schedule of Realized Gain (Loss) [Table Text Block] Debt Securities, Available-for-sale [Table] Debt Securities, Available-for-Sale [Table] Total Shareholder Return Amount Total Shareholder Return Amount Cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents [Abstract] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Goodwill and Intangible Assets, Net Goodwill and Intangible Assets, Policy [Policy Text Block] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer 2026 Capitalized Computer Software, Amortization Expense, Year Three Capitalized Computer Software, Amortization Expense, Year Three Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Retained earnings Retained Earnings (Accumulated Deficit) Measure: Measure [Axis] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Issuance of restricted stock awards (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Name Outstanding Recovery, Individual Name Revenue Recognition and Deferred Costs Revenue from Contract with Customer [Policy Text Block] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Current assets Assets, Current [Abstract] Non-deductible officers' compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Officer Compensation, Percent Effective Income Tax Rate Reconciliation, Nondeductible Expense, Officer Compensation, Percent Leases [Abstract] Leases [Abstract] Advertising expense Advertising Expense Schedule of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Entity Address, State or Province Entity Address, State or Province Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Cash from operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] 2024 Finite-Lived Intangible Asset, Expected Amortization, Year One Cash paid for amounts included in the measurement of lease liabilities included in operating cash flows Operating Lease, Payments Common shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Proceeds from maturities of available-for-sale investments Gross Proceeds from Maturities Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Disposal Group Name [Domain] Disposal Group Name [Domain] Operating lease, impairment loss Operating Lease, Impairment Loss Insurance reserves Self Insurance Reserve, Current Basic net income (loss) per share: Earnings Per Share, Basic [Abstract] PEO PEO [Member] Income tax examination, penalties and interest accrued Income Tax Examination, Penalties and Interest Accrued Concentrations of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Auditor Location Auditor Location Retirement Plans Retirement Benefits [Text Block] Gain on lease modification Gain on lease modification Gain (Loss) On Modification Of Lease Gain (Loss) On Modification Of Lease Conversion of Stock, Name [Domain] Conversion of Stock, Name [Domain] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Other permanent differences Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Class of Stock [Domain] Class of Stock [Domain] Customer [Domain] Customer [Domain] Net income (loss) attributable to common stockholders Net Income (Loss) Available to Common Stockholders, Basic Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Provision for income taxes Effective Income Tax Rate Reconciliation, Percent Deferred tax liabilities: Deferred Tax Liabilities, Gross [Abstract] Total lease liabilities Total Operating Lease, Liability Conversion of Class B stock to Class A stock (in shares) Conversion of Stock, Shares Converted Total liabilities Liabilities Total current Current Income Tax Expense (Benefit) Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Consideration for disposal of subsidiary Disposal Group, Including Discontinued Operation, Consideration Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Accumulated other comprehensive (loss) income AOCI Attributable to Parent [Member] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount 401k cash contributions Defined Contribution Plan, Cost Measurement Frequency [Domain] Measurement Frequency [Domain] Property and Equipment, net Property, Plant and Equipment Disclosure [Text Block] All Executive Categories All Executive Categories [Member] Title of Individual [Axis] Title of Individual [Axis] Accrued bonuses Accrued Bonuses, Current Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Capitalized research and software costs Deferred Tax Assets, in Process Research and Development Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Share based compensation, number of stock incentive plans Share-Based Compensation, Number Of Stock Incentive Plans Share-Based Compensation, Number Of Stock Incentive Plans Disposal Group, Disposed of by Sale, Not Discontinued Operations Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Number of reportable segments Number of Reportable Segments Net income (loss) per common share: Earnings Per Share [Abstract] Investment Securities Marketable Securities, Policy [Policy Text Block] Sales and marketing Selling and Marketing Expense Realized gain from recovery of note receivable Equity Method Investment, Realized Gain From Recovery of Note Receivable Equity Method Investment, Realized Gain From Recovery of Note Receivable Common stock Common Stock, Value, Issued General and administrative General and Administrative Expense Due after one year through three years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Allowance for credit losses, available-for sale investments Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Loss contingency, accrual Loss Contingency, Accrual, Current Amortization of operating lease right-of-use assets Operating Lease, Right-of-Use Asset, Periodic Reduction Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] State and local Current State and Local Tax Expense (Benefit) Segment Information Segment Reporting, Policy [Policy Text Block] Total current assets Assets, Current Preferred stock Preferred Stock [Member] Fair Value, Liabilities Measured on Recurring Basis Fair Value, Liabilities Measured on Recurring Basis [Table Text Block] Impairment, net Asset Impairment Charges All Individuals All Individuals [Member] Supplemental disclosure of cash flow information Supplemental Cash Flow Information [Abstract] Litigation Case [Domain] Litigation Case [Domain] Other income (loss), net Other Nonoperating Income (Expense) Entity Filer Category Entity Filer Category Depreciation and amortization Cost, Depreciation and Amortization Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Statement [Table] Statement [Table] Current Fiscal Year End Date Current Fiscal Year End Date Net Income (Loss) per Common Share Earnings Per Share, Policy [Policy Text Block] Authorized amount under share repurchase program Stock Repurchase Program, Authorized Amount Goodwill and Intangible Assets, Net Goodwill and Intangible Assets Disclosure [Text Block] Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Restructuring and related cost, number of positions eliminated Restructuring and Related Cost, Number of Positions Eliminated Unrecognized tax benefit beginning of year Unrecognized tax benefit end of year Unrecognized Tax Benefits Income Tax Authority [Axis] Income Tax Authority [Axis] PEO Name PEO Name Concentration risk, percentage Concentration Risk, Percentage Schedule of Product Information [Table] Schedule of Product Information [Table] Other Other Sundry Liabilities, Current Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized State and local income taxes, net of federal benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Five U.S. government and agency securities US Treasury and Government [Member] Former Chief Executive Officer Former Chief Executive Officer [Member] Former Chief Executive Officer Schedule of Goodwill Schedule of Goodwill [Table Text Block] Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Accounts Receivable Accounts Receivable [Policy Text Block] Stock-based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Scheduled of Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Class of Stock [Axis] Class of Stock [Axis] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Nature of Business Nature of Operations [Text Block] Depreciation and amortization Depreciation, Depletion and Amortization RSUs and PSUs Restricted Stock Units And Performance Stock Units [Member] Restricted Stock Units And Performance Stock Units [Member] Furniture and fixtures Furniture and Fixtures [Member] Capitalization of software development costs Payments to Develop Software Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Lease Contractual Term [Domain] Lease Contractual Term [Domain] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Gain on sale of business Gain on sale of business Gain (Loss) on Disposition of Business Depreciation and Amortization Depreciation, Depletion, and Amortization [Policy Text Block] Total stockholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Gross Realized Gains Debt Securities, Available-for-Sale, Realized Gain Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Valuation allowance Valuation allowance, at beginning of year Valuation allowance, at end of year Deferred Tax Assets, Valuation Allowance Unvested Restricted Stock Awards RSAs Restricted Stock [Member] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Restricted cash included in other long-term assets Restricted Cash and Cash Equivalents Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Domain names Internet Domain Names [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Other Other Services [Member] Other Services [Member] Expected term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Income (loss) before provision for income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Workforce Reduction Restructuring and Related Activities Disclosure [Text Block] Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Accrued Employee Expenses Compensation Related Costs, General [Text Block] Level 2 Fair Value, Inputs, Level 2 [Member] Entity Emerging Growth Company Entity Emerging Growth Company Schedule of Accrued Employee Expenses Schedule of Accrued Employee Expenses [Table Text Block] Schedule of Accrued Employee Expenses Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Total deferred tax assets Deferred Tax Assets, Gross Disposal Group Classification [Domain] Disposal Group Classification [Domain] Number of shares to be issued per share upon conversion (in shares) Conversion Of Stock, Number Of Shares Issuable Upon Conversion Conversion Of Stock, Number Of Shares Issuable Upon Conversion Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Investment securities—current Debt Securities, Available-for-Sale, Excluding Accrued Interest, Current Document Fiscal Period Focus Document Fiscal Period Focus 2024 Lessee, Operating Lease, Liability, to be Paid, Year One Estimated useful lives (in years) Weighted Average Useful Life in Years Finite-Lived Intangible Asset, Useful Life Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Antidilutive Securities [Axis] Antidilutive Securities [Axis] 2027 Lessee, Operating Lease, Liability, to be Paid, Year Four Title Trading Arrangement, Individual Title Options outstanding, beginning balance (in dollars per share) Options outstanding, ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Stock-based compensation, including as amortized Share-Based Payment Arrangement, Noncash Expense Weighted Average Weighted Average [Member] Common Stock Common Stock [Member] Individual: Individual [Axis] City Area Code City Area Code Entity Address, Postal Zip Code Entity Address, Postal Zip Code Product and Service [Axis] Product and Service [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Fully amortized capitalized software development costs disposed of Capitalized Computer Software, Disposals Capitalized Computer Software, Disposals Estimated Fair Value Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value [Abstract] Document Fiscal Year Focus Document Fiscal Year Focus Lease term Lessee, Operating Lease, Term of Contract Stock-Based Compensation Compensation Related Costs, Policy [Policy Text Block] Aggregate number of shares reserved for stock incentive plan (in shares) Deferred Compensation Arrangement with Individual, Common Stock Reserved for Future Issuance Accrued vacation Accrued Vacation, Current Capitalized software development costs Software and Software Development Costs [Member] Auditor Information [Abstract] Auditor Information Minimum Minimum [Member] Denominator Weighted Average Number of Shares Outstanding, Diluted [Abstract] Property and equipment, net Total property and equipment, net Property, Plant and Equipment, Net Summary of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Exercise Price Award Exercise Price Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Restricted Stock Units With Service Conditions Restricted Stock Units With Service Conditions [Member] Restricted Stock Units With Service Conditions Disposal Group Classification [Axis] Disposal Group Classification [Axis] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Assets Assets [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Available-for-sale Securities, Debt Maturities [Abstract] Available-for-Sale Securities, Debt Maturities [Abstract] Insurance settlements receivable Insurance Settlements Receivable, Current Operating lease liabilities Increase (Decrease) in Operating Lease Liability Tax withholding for net share settlement Payment, Tax Withholding, Share-Based Payment Arrangement Deferred income tax assets: Deferred Tax Assets, Net [Abstract] Other Deferred Tax Assets, Other Liabilities Liabilities [Abstract] Other current assets Other Current Assets [Member] U.S. government and agency securities Treasury securities US Treasury Securities [Member] Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Fair Value, Assets Measured on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Retained Earnings/(Accumulated Deficit) Retained Earnings [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Total liabilities and stockholders’ equity Liabilities and Equity Other long-term assets Other Assets, Noncurrent Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Core solutions Core Solutions [Member] Core Solutions [Member] Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate 2027 Capitalized Computer Software, Amortization Expense, Year Four Capitalized Computer Software, Amortization Expense, Year Four Basic (in dollars per share) Net income (loss) per common share, basic (in dollars per share) Earnings Per Share, Basic Operating lease right-of-use assets Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Value Added Services Value Plus Services [Member] Value Plus Services [Member] Accounting Policies [Abstract] Accounting Policies [Abstract] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Santa Barbara Office Lease Santa Barbara Office Lease [Member] Santa Barbara Office Lease Intrinsic value of options exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Net income (loss) attributable to common stockholders Net Income (Loss) Available to Common Stockholders, Diluted Arrangement Duration Trading Arrangement Duration Entity Address, City or Town Entity Address, City or Town Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Gain on sale of equity-method investment and recovery of note receivable Equity Method Investment, Realized Gain (Loss) on Disposal And Gain From Recovery Of Note Receivable Equity Method Investment, Realized Gain (Loss) on Disposal And Gain From Recovery Of Note Receivable Partner relationships Partner Relationships [Member] Partner Relationships [Member] Options vested or expected to vest (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Cash paid for income taxes Income Taxes Paid Principles of Consolidation Consolidation, Policy [Policy Text Block] Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Severance and related personnel cost Restructuring Charges Document Transition Report Document Transition Report Award Timing Predetermined Award Timing Predetermined [Flag] Termination Date Trading Arrangement Termination Date Capitalized commissions Deferred Tax Liabilities, Capitalized Commissions Deferred Tax Liabilities, Capitalized Commissions Accounts payable Increase (Decrease) in Accounts Payable Common stock, shares authorized (in shares) Common Stock, Shares Authorized Amortization expense with respect to software development costs during the period Capitalized Computer Software, Amortization Less: Accumulated amortization Capitalized Computer Software, Accumulated Amortization Document Information [Table] Document Information [Table] Entity Public Float Entity Public Float Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Other Liabilities Disclosure [Abstract] Increase in valuation allowance Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Adjustments to reconcile net income (loss) to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] All Trading Arrangements All Trading Arrangements [Member] Due in one year or less Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One All Adjustments to Compensation All Adjustments to Compensation [Member] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Award Timing Disclosures [Line Items] Title of Individual [Domain] Title of Individual [Domain] Quota share of tenant liability insurance provided, percent Reinsurance, Reinsured Risk, Percentage Compensation Amount Outstanding Recovery Compensation Amount Olivia Nottebohm [Member] Olivia Nottebohm Fair value of shares vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Vesting of restricted stock units, net of shares withheld for taxes Restricted Stock Units, Value, Shares Issued Net Of Tax Withholdings Restricted Stock Units, Value, Shares Issued Net Of Tax Withholdings Additional paid-in capital Additional Paid in Capital Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Schedule of Capitalized Computer Software Schedule Of Capitalized Computer Software [Table Text Block] Schedule Of Capitalized Computer Software [Table Text Block] Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Lease asset Deferred Tax Liabilities, Leasing Arrangements Total deferred Deferred Income Tax Expense (Benefit) Document Information [Line Items] Document Information [Line Items] Proceeds from stock option exercises Proceeds from Stock Options Exercised Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Income Taxes Income Tax, Policy [Policy Text Block] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Document Financial Statement Error Correction [Flag] Document Financial Statement Error Correction [Flag] 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Three Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Technology Technology [Member] Technology [Member] Insider Trading Arrangements [Line Items] Proceeds from sale of business, net of cash divested Proceeds from Divestiture of Businesses, Net of Cash Divested Intrinsic value of options outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Entity Registrant Name Entity Registrant Name Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Award Timing Method Award Timing Method [Text Block] Add: Weighted average diluted share-based payments outstanding (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Two Adjustment to Compensation, Amount Adjustment to Compensation Amount Cost of revenue (exclusive of depreciation and amortization) Cost of Sales [Member] Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Lease Contractual Term [Axis] Lease Contractual Term [Axis] Cash Payments Payments for Restructuring Auditor Name Auditor Name Document Period End Date Document Period End Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Adoption Date Trading Arrangement Adoption Date Less: Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Disposal Group Name [Axis] Disposal Group Name [Axis] Options exercisable (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Capitalized Software Development Costs Internal Use Software, Policy [Policy Text Block] SecureDocs SecureDocs [Member] SecureDocs Treasury Stock Treasury Stock, Common [Member] Entity Central Index Key Entity Central Index Key Percent of award target performance metric Share-Based Compensation Arrangements By Share-Based Payment Award, Percent Of Award Target Performance Metric Share-Based Compensation Arrangements By Share-Based Payment Award, Percent Of Award Target Performance Metric Restricted Stock Units with Service and Performance Conditions Restricted Stock Units with Service and Performance Conditions [Member] Restricted Stock Units with Service and Performance Conditions Summary of Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Total stock-based compensation expense Stock-based compensation expense Share-Based Payment Arrangement, Expense Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Gross Carrying Value Finite-Lived Intangible Assets, Gross Numerator Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Provision for income taxes Total income tax provision Income Tax Expense (Benefit) Income Tax Authority [Domain] Income Tax Authority [Domain] Accrued employee expenses Accrued employee expenses Employee-related Liabilities, Current Number of operating segments Number of Operating Segments Name Trading Arrangement, Individual Name Deferred costs, noncurrent Capitalized Contract Cost, Net, Noncurrent Equity [Abstract] Equity [Abstract] Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Weighted-average remaining lease term (years) Operating Lease, Weighted Average Remaining Lease Term Lease Assets and Liabilities Lease Assets And Liabilities [Table Text Block] Lease Assets And Liabilities Revenue Revenue from Contract with Customer, Excluding Assessed Tax Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Amendment Flag Amendment Flag Money market funds Money Market Funds [Member] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Credit carryforwards Tax Credit Carryforward, Amount Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Weighted-average discount rate Operating Lease, Weighted Average Discount Rate, Percent Interest income, net Interest Income (Expense), Net Due in one year or less Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One PSUs Performance Stock Units [Member] Performance Stock Units [Member] Property and equipment, useful life Property, Plant and Equipment, Useful Life Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Numerator Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Leasehold improvements Leasehold Improvements [Member] Sales and Marketing, General and Administrative Selling, General and Administrative Expenses, Policy [Policy Text Block] Total net deferred tax liabilities Deferred Tax Liabilities, Net Sales and marketing Selling and Marketing Expense [Member] Proceeds from sale of equity-method investment Proceeds from Sale of Equity Method Investments Diluted (in shares) Weighted average common shares outstanding; diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Summary of Valuation Allowance Summary of Valuation Allowance [Table Text Block] Capitalized software development costs, gross Capitalized Computer Software, Gross Goodwill attributed to WegoWise Transaction Goodwill, Written off Related to Sale of Business Unit Weighted average common shares outstanding (in shares) Weighted Average Number of Shares Issued, Basic Gross Realized Losses Debt Securities, Available-for-Sale, Realized Loss Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Company Selected Measure Amount Company Selected Measure Amount Additional paid-in capital Additional Paid-in Capital [Member] Document Annual Report Document Annual Report Common Class B To Common Class A Common Class B To Common Class A [Member] Common Class B To Common Class A [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Total assets Assets Name Awards Close in Time to MNPI Disclosures, Individual Name Liability for reported claims and claims incurred but not reported Liability for Claims and Claims Adjustment Expense, Property-Casualty Liability Loss Contingencies [Line Items] Loss Contingencies [Line Items] Cover [Abstract] Cover [Abstract] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Tax Credit Carryforward, Name [Domain] Tax Credit Carryforward, Name [Domain] Fair value, measurements, recurring Fair Value, Recurring [Member] Restructuring and Related Activities [Abstract] Other Current Liabilities Other Liabilities Disclosure [Text Block] Other Current Liabilities Other Current Liabilities [Table Text Block] Other liabilities Other Liabilities, Noncurrent Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Non-NEOs Non-NEOs [Member] Operating lease, liability, to be paid Total future minimum lease payments Lessee, Operating Lease, Liability, to be Paid Construction in process Construction in Progress [Member] Other income, net Other Nonoperating Income (Expense) [Member] Revenue and Other Information Segment Reporting Disclosure [Text Block] Net (decrease) increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Non-PEO NEO Non-PEO NEO [Member] Equity Component [Domain] Equity Component [Domain] Adjustment to Compensation: Adjustment to Compensation [Axis] State State and Local Jurisdiction [Member] Research and development tax credits Deferred Tax Assets, Tax Credit Carryforwards, Research Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Other Deferred Tax Liabilities, Other Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Basic (in shares) Weighted average common shares outstanding; basic (in shares) Weighted average common shares outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Entity Current Reporting Status Entity Current Reporting Status Concentration Risk Type [Domain] Concentration Risk Type [Domain] Income (loss) from operations Operating Income (Loss) Property and equipment Deferred Tax Liabilities, Property, Plant and Equipment Reclassification Reclassification, Comparability Adjustment [Policy Text Block] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Database Database [Member] Database [Member] Office equipment Office Equipment [Member] Total deferred tax liabilities Deferred Tax Liabilities, Gross Product Information [Line Items] Product Information [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Statement [Line Items] Statement [Line Items] Deferred Deferred Federal, State and Local, Tax Expense (Benefit) [Abstract] Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Options vested of expected to vest (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Intangible assets Deferred Tax Liabilities, Intangible Assets Weighted Average Remaining Contractual Life in Years Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Customer relationships Customer Relationships [Member] Tax Credit Carryforward [Axis] Tax Credit Carryforward [Axis] Capitalized software development costs, net Capitalized software development costs, net Capitalized Computer Software, Net