Investments Investment, Policy [Policy Text Block] Award Timing Predetermined Award Timing Predetermined [Flag] Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Revenue recognized from performance obligations satisfied in previous periods Contract with Customer, Performance Obligation Satisfied in Previous Period Tabular List, Table Tabular List [Table Text Block] Net loss per share, basic and diluted: Earnings Per Share, Basic [Abstract] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Accounts payable Increase (Decrease) in Accounts Payable Deferred commissions, current portion Contract with Customer, Asset, after Allowance for Credit Loss, Current Subscription License [Member] Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Schedule of Sales and Marketing Expense Schedule Of Sales and Marketing Expense [Table Text Block] Schedule Of Sales and Marketing Expense Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic (in dollars per share) Net income (loss) per share, basic (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Commercial paper Commercial Paper [Member] Shares initially reserved for issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Revenue Information Revenue from Contract with Customer [Text Block] Associated tax expenses OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment, Tax Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Shares issued under employee stock purchase plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Issuance of common stock upon the vesting and settlement of RSUs (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Adjustment to Compensation, Amount Adjustment to Compensation Amount Concentration risk (as a percent) Concentration Risk, Percentage Other assets Increase (Decrease) in Other Operating Assets Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Total stockholders' deficit Beginning balance Ending balance Equity, Attributable to Parent Measurement Frequency [Axis] Measurement Frequency [Axis] Debt Securities, Available-for-Sale [Table] Debt Securities, Available-for-Sale [Table] Other comprehensive loss, net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Total stock-based compensation Share-Based Payment Arrangement, Expense Common stock, authorized (in shares) Common Stock, Shares Authorized Current assets Assets, Current [Abstract] Total liabilities and stockholders' deficit Liabilities and Equity The Yarbrough Family Trust [Member] The Yarbrough Family Trust Fair Value, Recurring Fair Value, Recurring [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration of Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Liabilities and Stockholders' Deficit Liabilities and Equity [Abstract] Other income (expense) Other Nonoperating Income (Expense) [Abstract] Cover [Abstract] Cash and cash equivalent Cash and Cash Equivalents, Fair Value Disclosure General and administrative General and Administrative Expense [Member] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Class B Treasury Stock Treasury Stock, Common [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other long-term liabilities Other Liabilities, Noncurrent Statement of Stockholders' Equity [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Line of Credit Facility [Table] Line of Credit Facility [Table] Accrued compensation and benefits Accrued Bonuses, Current Debt issuance costs Debt Issuance Costs, Gross Total comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Share Repurchase Program Treasury Stock [Text Block] Name Measure Name Letter of Credit Letter of Credit [Member] Schedule of Total Stock Based Compensation Expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Operating lease liabilities, current portion Operating Lease, Liability, Current Class of Stock [Line Items] Class of Stock [Line Items] Document Fiscal Period Focus Document Fiscal Period Focus Number of revenue streams Number of Revenue Streams Number of Revenue Streams Award Timing Method Award Timing Method [Text Block] Award Type [Axis] Award Type [Axis] Available-for-Sale Securities, Debt Maturities [Abstract] Available-for-Sale Securities, Debt Maturities [Abstract] Long-term debt outstanding Long-Term Debt Total assets Assets Schedule of RSU Activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Trading Symbol Trading Symbol 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 Geographical [Domain] Geographical [Domain] Entity Address, City or Town Entity Address, City or Town Cash flows from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Basis of Presentation, Principles of Consolidation, and Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Restricted Stock Units Restricted Stock Units (RSUs) [Member] Income Statement Location [Domain] Statement of Income Location, Balance [Domain] Other sales and marketing Other Selling and Marketing Expense Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Emerging Growth Company Entity Emerging Growth Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Corporate notes and obligations Corporate Notes and Obligations [Member] Corporate Notes and Obligations Debt Securities, Available-for-Sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Level 2: Fair Value, Inputs, Level 2 [Member] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Common stock, outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Provision for bad debts Accounts Receivable, Credit Loss Expense (Reversal) Plan Name [Axis] Plan Name [Axis] Document Information [Table] Document Information [Table] PEO PEO [Member] Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Schedule of Available-for-sale Debt Securities by Contractual Maturity Investments Classified by Contractual Maturity Date [Table Text Block] Accelerated Share Repurchases [Table] Accelerated Share Repurchases [Table] Change in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Issuance of common stock upon exercise of options Stock Issued During Period, Value, Stock Options Exercised Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Accumulated Deficit Retained Earnings [Member] Prepaid expenses and other assets Prepaid Expense and Other Assets, Current Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Effective interest rate (as a percent) Debt Instrument, Interest Rate, Effective Percentage Schedule of Accrued Expenses Schedule of Accrued Liabilities [Table Text Block] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Share-Based Payment Arrangement [Abstract] Beginning of period End of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income tax benefit Income tax benefit Income Tax Expense (Benefit) Available-for-sale debt securities in a continuous unrealized loss position for more than 12 months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Common Class B Common Class B [Member] Fair Value, Nonrecurring Fair Value, Nonrecurring [Member] Accrued interest Increase (Decrease) in Interest Payable, Net Document Information [Line Items] Document Information [Line Items] Preferred stock, issued (in shares) Preferred Stock, Shares Issued Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Product and Service [Domain] Product and Service [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Customer Concentration Risk Customer Concentration Risk [Member] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Proceeds from exercise of stock options Proceeds from Stock Options Exercised Schedule of Net Loss Per Share, Diluted, by Common Class, Including Two Class Method Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table Text Block] City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Accrued expenses Total accrued expenses Accrued Liabilities, Current Beginning balance (in shares) Ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Cash flows from investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] General and administrative General and Administrative Expense Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Sales of marketable securities Proceeds from Sale of Debt Securities, Available-for-Sale Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Subsequent Event Subsequent Event [Member] Cost of revenue Cost of Sales [Member] Goodwill Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Money market mutual funds Money Market Funds [Member] Accounts Receivable Concentration Risk Accounts Receivable Concentration Risk [Member] Accounts Receivable Concentration Risk Equity Components [Axis] Equity Components [Axis] Non-US Non-US [Member] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Amortized Cost Basis Debt Securities, Available-for-Sale, Amortized Cost Other Performance Measure, Amount Other Performance Measure, Amount Entity Address, State or Province Entity Address, State or Province Total current liabilities Liabilities, Current Individual: Individual [Axis] Restricted deposits Restricted Cash Research and development Research and Development Expense [Member] Accrued marketing Accrued Marketing Costs, Current Net cash provided by investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation and Principles of Consolidation Basis of Accounting, Policy [Policy Text Block] Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Effective tax rate Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Capitalized internal-use software costs Payments for Software Plan Name [Domain] Plan Name [Domain] Stock based compensation, weighted average period of recognition Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Issuance of common stock upon exercise of options (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period U.S. treasury securities US Treasury Securities [Member] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Gross Unrealized Losses Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Deferred tax assets, net Deferred Income Tax Assets, Net Accrued refunds and customer liabilities Customer Refund Liability, Current Depreciation and amortization Depreciation, Depletion and Amortization Other assets Other Assets, Noncurrent Customer [Domain] Customer [Domain] Accrued interest Interest Payable, Current Entity Central Index Key Entity Central Index Key PEO Name PEO Name Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Revolving Credit Facility Revolving Credit Facility [Member] Schedule of Net Loss Per Share, Basic, by Common Class, Including Two Class Method Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table Text Block] Arrangement Duration Trading Arrangement Duration Deferred revenue Contract with Customer, Liability, Current Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Class of Stock [Domain] Class of Stock [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Unrecognized stock based compensation expense Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Statutory federal income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Other Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item Deferred commissions, net of current portion Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent Subsequent Event Type [Axis] Subsequent Event Type [Axis] Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Repurchase and retirement of common stock (in shares) Stock Repurchased and Retired During Period, Shares Assets Assets [Abstract] Long-term borrowings, net Long-Term Debt, Excluding Current Maturities Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Customer One Customer One [Member] Customer One Debt Instrument [Axis] Debt Instrument [Axis] Forfeited/Canceled (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 Financial Instruments Fair Value Disclosures [Text Block] Accelerated Share Repurchases [Line Items] Accelerated Share Repurchases [Line Items] Credit Facility [Domain] Credit Facility [Domain] Stockholders' deficit Equity, Attributable to Parent [Abstract] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Common shares repurchased, amount Treasury Stock, Value, Acquired, Cost Method Research and development Research and Development Expense Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Debt instrument, interest rate (as a percent) Debt Instrument, Interest Rate, Stated Percentage Accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Accounts receivable, allowance for credit loss, current Accounts Receivable, Allowance for Credit Loss, Current Operating lease liabilities, net of current portion Operating Lease, Liability, Noncurrent Fair Value as of Grant Date Award Grant Date Fair Value Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Forfeited/Canceled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Shares withheld related to net share settlement Share-Based Payment Arrangement, Value, Shares Withheld For Settlement Share-Based Payment Arrangement, Value, Shares Withheld For Settlement Document Quarterly Report Document Quarterly Report Fair Value, Less Than 12 Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Total cash, cash equivalents, and marketable securities Assets, Fair Value Disclosure Fair value of debt Long-Term Debt, Fair Value Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Number of operating segments Number of Operating Segments Amortization and accretion of marketable securities Accretion (Amortization) of Discounts and Premiums, Investments Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] 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 Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Performance-based Service [Member] Restatement Determination Date: Restatement Determination Date [Axis] Non-PEO NEO Non-PEO NEO [Member] Allowance for credit loss Debt Securities, Available-for-Sale, Allowance for Credit Loss Total cash, cash equivalents, and marketable securities Debt Securities, Available-For-Sale, Amortized Cost And Cash And Cash Equivalents Debt Securities, Available-For-Sale, Amortized Cost And Cash And Cash Equivalents Shares issued under employee stock purchase plan Stock Issued During Period, Value, Employee Stock Purchase Plan Interest expense Interest Expense, Debt Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Name Trading Arrangement, Individual Name Award Type [Domain] Award Type [Domain] Equity Awards Adjustments Equity Awards Adjustments [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Convertible notes issued Debt Instrument, Face Amount Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Statement of Comprehensive Income [Abstract] Certificates of deposit Certificates of Deposit [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Revenue that was included in deferred revenue balances Contract with Customer, Liability, Revenue Recognized MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Due after 1 year through 5 years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five Name Awards Close in Time to MNPI Disclosures, Individual Name Beginning balance (in dollars per share) 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 Weighted average shares used in computing net loss per share: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Sales and marketing Total sales and marketing Selling and Marketing Expense Equity Incentive Plan 2021 Equity Incentive Plan 2021 [Member] Equity Incentive Plan 2021 Financial Instruments [Domain] Financial Instruments [Domain] Income Statement Location [Axis] Statement of Income Location, Balance [Axis] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Company Selected Measure Name Company Selected Measure Name Paydowns, maturities, and redemptions of marketable securities Proceeds From Maturities And Redemptions Of Debt Securities, Available-for-Sale Proceeds From Maturities And Redemptions Of Debt Securities, Available-for-Sale Senior Notes Senior Notes [Member] Customer Two Customer Two [Member] Customer Two Purchases of marketable securities Payments to Acquire Debt Securities, Available-for-Sale Debt Debt Disclosure [Text Block] Preferred Stock, $0.00001 par value; 50,000 shares authorized as of March 31, 2026 and December 31, 2025; no shares issued and outstanding as of March 31, 2026 and December 31, 2025 Preferred Stock, Value, Issued Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Proceeds from issuance of stock under employee stock purchase plan Proceeds from Stock Plans Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Accrued partner expenses Accrued Partner Expenses, Current Accrued Partner Expenses, Current All Executive Categories All Executive Categories [Member] Common stock Common Stock, Value, Issued Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Diluted (in shares) Weighted average shares of Class A and Class B common stock outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Segments and Geographic Information Segment Reporting, Policy [Policy Text Block] Commitments and contingencies (Note 8) Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Entity Small Business Entity Small Business Sales and marketing Selling and Marketing Expense [Member] Income Tax Disclosure [Abstract] Preferred stock, outstanding (in shares) Preferred Stock, Shares Outstanding Document Transition Report Document Transition Report Underlying Securities Award Underlying Securities Amount Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Income Taxes Income Tax Disclosure [Text Block] Common Class A Common Class A [Member] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Revenue from Contract with Customer [Abstract] Operating lease liabilities Increase (Decrease) in Operating Lease Liability Document Type Document Type Fair Value Debt Securities, Available-for-Sale, Unrealized Loss Position [Abstract] Net Loss Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Marketing and advertising Marketing and Advertising Expense Additional paid-in capital Additional Paid in Capital Product and Service [Axis] Product and Service [Axis] Revenue Total revenue Revenue from Contract with Customer, Excluding Assessed Tax All Individuals All Individuals [Member] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Sales and Marketing Sales And Marketing Expense, Policy [Policy Text Block] Sales And Marketing Expense, Policy Fair Value Disclosures [Abstract] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Total current assets Assets, Current Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Authorized amount for repurchase Share Repurchase Program, Authorized, Amount Accrued liability for indemnification arrangements Loss Contingency Accrual Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Payments of tax withholdings on net settlement of equity awards Payment, Tax Withholding, Share-Based Payment Arrangement Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Total other comprehensive loss Other comprehensive loss Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Current liabilities Liabilities, Current [Abstract] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Geographical [Axis] Geographical [Axis] Total operating expenses Operating Expenses Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Level 1: Fair Value, Inputs, Level 1 [Member] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Diluted (in dollars per share) Net income (loss) per share, diluted (in dollars per share) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Accounts receivable, net of allowances of $2,285 and $2,031 at March 31, 2026 and December 31, 2025, respectively Accounts Receivable, after Allowance for Credit Loss, Current Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Title of 12(b) Security Title of 12(b) Security Accrued commissions Accrued Sales Commission, Current Treasury stock (in shares) Beginning balance (in shares) Ending balance (in shares) Treasury Stock, Common, Shares Net loss per share: Earnings Per Share [Abstract] Conversion of Class B common stock to Class A common stock (in shares) Conversion of Stock, Shares Converted Total other income (expense), net Nonoperating Income (Expense) Gross profit Gross Profit Credit losses recorded for available-for-sale debt securities Debt Securities, Available-for-Sale, Allowance for Credit Loss, Not Previously Recorded Marketable securities Debt Securities, Available-for-Sale, Current Repurchase and retirement of common stock Stock Repurchased and Retired During Period, Value Deferred revenue Increase (Decrease) in Contract with Customer, Liability Accrued Expenses Accounts Payable and Accrued Liabilities Disclosure [Text Block] Common shares repurchased (in shares) Treasury Stock, Shares, Acquired Award Timing Disclosures [Line Items] Measurement Frequency [Domain] Measurement Frequency [Domain] Change in unrealized losses on available-for-sale debt securities Pre-tax unrealized gains (losses) OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Line of credit, amount available Line of Credit Facility, Current Borrowing Capacity Net loss Net loss Net loss Net Income (Loss) Attributable to Parent Subsequent Event [Table] Subsequent Event [Table] Schedule of Available-for-sale Debt Securities Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Expiration Date Trading Arrangement Expiration Date Other accrued expenses Other Accrued Liabilities, Current Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Unrealized gains (losses) on equity securities Equity Securities, FV-NI, Unrealized Gain (Loss) Property and equipment, net Property, Plant and Equipment, Net Preferred stock, authorized (in shares) Preferred Stock, Shares Authorized Geographic Concentration Risk Geographic Concentration Risk [Member] Repurchase of common stock Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable Increase (Decrease) in Accounts Receivable Shares withheld related to net share settlement (in shares) Share-Based Payment Arrangement, Shares Withheld For Settlement Share-Based Payment Arrangement, Shares Withheld For Settlement Contract assets Contract with Customer, Asset, after Allowance for Credit Loss Entity Current Reporting Status Entity Current Reporting Status Customer [Axis] Customer [Axis] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Loss from operations Operating Income (Loss) Line of Credit Line of Credit [Member] Due within 1 year Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One Accumulated deficit Retained Earnings (Accumulated Deficit) Financial Instrument [Axis] Financial Instrument [Axis] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Current Fiscal Year End Date Current Fiscal Year End Date Class of Stock [Axis] Class of Stock [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Gross Unrealized Losses, Less Than 12 Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Payables and Accruals [Abstract] 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] Number of shares authorized (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Other income (expense), net Other Nonoperating Income (Expense) Statement [Table] Statement [Table] Deferred income taxes Deferred Income Tax Expense (Benefit) Adjustments to reconcile net loss to net cash used in operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash flows from financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Cash Cash [Member] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Revenue Benchmark Revenue Benchmark [Member] Schedule of Amortized Cost, Unrealized Gains and Losses, and Fair Value Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Share repurchase excise tax Share Repurchase Excise Tax Share Repurchase Excise Tax Organization and Description of Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Total shares excluded from diluted net loss per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Class B treasury stock, 195 shares outstanding as of March 31, 2026 and December 31, 2025 Treasury Stock, Common, Value Termination Date Trading Arrangement Termination Date Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Deferred commissions Increase (Decrease) in Contract with Customer, Asset Amy Garefis [Member] Amy Garefis Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Basic (in shares) Weighted average shares of Class A and Class B common stock outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Stock repurchase program, remaining authorized amount for future purchase Share Repurchase Program, Remaining Authorized, Amount Cost of revenue Cost of Product and Service Sold Subsequent Events [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Non-cash lease expense Operating Lease, Expense Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Amortization of debt issuance costs Amortization of Debt Issuance Costs Entity Tax Identification Number Entity Tax Identification Number Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, issued (in shares) Common Stock, Shares, Issued Use of Estimates Use of Estimates, Policy [Policy Text Block] Interest expense Interest Expense, Nonoperating Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Subsequent Events Subsequent Events [Text Block] Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name Total liabilities Liabilities Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Internal-use software, net Capitalized Computer Software, Net Line of credit facility Line of Credit Facility, Maximum Borrowing Capacity Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Operating expenses Operating Expenses [Abstract] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Senior Notes Due 2030 Senior Notes Due 2030 [Member] Senior Notes Due 2030 Other current liabilities Other Liabilities, Current Boris Shimanovsky [Member] Boris Shimanovsky Statement [Line Items] Statement [Line Items] Asset-backed securities Asset-Backed Securities [Member] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalents Cash and Cash Equivalent Subsequent Event [Line Items] Subsequent Event [Line Items] Common Stock Common Stock [Member] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Fair Value Total available-for-sale debt securities Debt Securities, Available-for-Sale Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Net increase in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation