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Certificates of deposit included in other assets, noncurrent Other Assets, Fair Value Disclosure Share-Based Compensation Share-based Payment Arrangement [Policy Text Block] Federal Deferred Federal Income Tax Expense (Benefit) Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Statement of Financial Position [Abstract] Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] Undistributed earnings attributable to participating securities Less: undistributed earnings attributable to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Increase (decrease) of valuation allowance Increase (decrease) of valuation allowance Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Fair Value Measurements Fair Value 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Marketed, Policy [Policy Text Block] Internal Use Software, Software to be Sold, Leased, or Otherwise Marketed, Policy Weighted average grant date fair value of options for employees (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Equity Component Equity Component [Domain] Tax Positions taken in current year, gross decreases Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions Common stock number of votes per share Common Stock, Number of Votes Common Stock, Number of Votes Sales and marketing Selling and Marketing Expense 2023 Lessee, Operating Lease, Liability, to be Paid, Year One Purchase obligations with terms of greater than 12 months Unrecorded Unconditional Purchase Obligation, to be Paid, After Year One Unrecorded Unconditional Purchase Obligation, to be Paid, After Year One Shares issued of common stock (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period Accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Statement [Line Items] Statement [Line Items] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] Deferred revenue Increase (Decrease) in Contract with Customer, Liability Accruals and reserves Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals Weighted- Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Remaining performance obligation Revenue, Remaining Performance Obligation, Amount Payment for alternative investment Payments to Acquire Investments Charitable donation of common stock Stock Issued During Period, Value, Charitable Donation Stock Issued During Period, Value, Charitable Donation Liabilities: Liabilities [Abstract] Summary of Stock-based Compensation Expense by Line Item Share-based Payment Arrangement, Cost by Plan [Table Text Block] Estimated Fair Value Total Marketable securities Debt Securities, Available-for-sale 2026 Lessee, Operating Lease, Liability, to be Paid, Year Four Percentage of purchase price of common stock to fair market value of common stock on offering or purchase date Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent Total Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Level 2 Fair Value, Inputs, Level 2 [Member] Research and development credits Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount Property, Plant and Equipment, Type Long-Lived Tangible Asset [Axis] Valuation allowance Deferred tax asset valuation allowance Deferred Tax Assets, Valuation Allowance Deferred revenue, noncurrent Contract with Customer, Liability, Noncurrent Auditor Location 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Sales and other tax liabilities Accrual for Taxes Other than Income Taxes Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Corporate and other debt securities Corporate And Other Debt Securities [Member] Corporate And Other Debt Securities Trading Symbol Trading Symbol Net income per share attributable to common stockholders: Earnings Per Share [Abstract] Gains on strategic investments, net Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount Property and equipment, gross Property, Plant and Equipment, Gross Deferred contract acquisition costs Increase (Decrease) in Capitalized Contract Costs Increase decrease in Deferred contract acquisition costs. 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