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Arrangement by Share-Based Payment Award, Options, Exercisable, Number Depreciation and amortization Depreciation, Depletion and Amortization Percentage of purchase price of common stock to fair market value of common stock on offering or purchase date (as a percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Charitable donation of common stock Stock Issued During Period, Value, Charitable Donation Stock Issued During Period, Value, Charitable Donation Thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Five Deferred contract acquisition costs, noncurrent Capitalized Contract Cost, Net, Noncurrent Lease contractual period (in years) Lessee, Operating Lease, Term of Contract Additions SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense Issuance of common stock for employee stock purchase plan 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Solvvy, Inc. [Member] Solvvy, Inc. 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