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Accounts Receivable, Allowance for Credit Loss, Writeoff Accrued compensation Employee-related Liabilities, Current Fair Value Measurements Fair Value Disclosures [Text Block] Revenue Benchmark Revenue Benchmark [Member] Name Trading Arrangement, Individual Name Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Equity [Abstract] Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] 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] Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Amendment Flag Amendment Flag Money market funds Money Market Funds [Member] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Operating leases Operating Lease, Weighted Average Discount Rate, Percent Interest income Interest Income (Expense), Net Stock repurchased and retired during period (in shares) Stock Repurchased and Retired During Period, Shares Credit Facility [Domain] Credit Facility [Domain] Repurchase of shares (in shares) Treasury Stock, Shares, Acquired Debt instrument, basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Numerator: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Leasehold improvements Leasehold Improvements [Member] Sales and marketing Selling and Marketing Expense [Member] Diluted (in shares) Weighted average common shares outstanding – diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Internal-use software Software Development [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Operating expenses: Operating Expenses [Abstract] Less: imputed interest Finance Lease, Liability, Undiscounted Excess Amount 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] Number of letters of credit Number Of Debt Instruments Number Of Debt Instruments TOTAL ASSETS Assets Name Awards Close in Time to MNPI Disclosures, Individual Name Share Repurchase Program [Axis] Share Repurchase Program [Axis] Cover [Abstract] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition United States UNITED STATES Fair Value, Recurring Fair Value, Recurring [Member] Other liabilities, non-current Other Liabilities, Noncurrent Vested (in usd 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] Total minimum lease payments Lessee, Operating Lease, Liability, to be Paid Total operating expenses Operating Expenses Finance lease cost Finance Lease, Right-of-Use Asset, Amortization Segment Information Segment Reporting Disclosure [Text Block] NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect CASH FLOWS 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] Weighted-average shares used to compute net loss per share attributable to common stockholders: Earnings Per Share, Basic, Other Disclosure [Abstract] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Basic (in shares) Weighted average common shares 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Tax Benefits, Amount Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Customer Relationships Customer Relationships [Member] Debt Securities, Available-for-sale Debt Securities, Available-for-Sale [Table Text Block]