Document and Entity Information Document Information [Table] Class of Stock [Axis] Class of Stock [Domain] Class A Class A common stock Class B Class B common stock Document Information [Line Items] Document Information: Document Type Document Quarterly Report Document Period End Date Document Transition Report Entity File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address State Or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag Condensed Consolidated Balance Sheets Statement [Table] Statement [Line Items] Assets. Assets Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Restricted Cash and Cash Equivalents, Current Funds held for customers Accounts Receivable, after Allowance for Credit Loss, Current Balance, end of period Balance, beginning of period Accounts receivable, net of allowance of $15,069 and $16,838, respectively Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Prepaid expenses and other current assets Amount excluding accrued interest, and excluding amounts classified as cash equivalents, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current. Investment Securities Available For Sale, Current, Excluding Amounts Included In Cash Equivalents Investment securities available-for-sale, at fair value (amortized cost of $0 and $9,147, respectively) Investment securities Assets, Current Total current assets Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Property and equipment, net of accumulated depreciation Property and equipment, net Property and equipment Capitalized Computer Software, Net Capitalized software, net of accumulated amortization Capitalized software, net Intangible Assets, Net (Including Goodwill) Total Goodwill and other intangible assets Capitalized Contract Cost, Net, Noncurrent Ending balance Beginning balance Deferred commissions Deferred Income Tax Assets, Net Deferred income tax asset Operating Lease, Right-of-Use Asset Operating lease right-of-use assets Long-Term Investments Long-term investment Other Assets, Noncurrent Other assets Total other assets Assets Total assets Liabilities and Stockholders' Equity Current liabilities: Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued expenses Accrued expenses Carrying value as of the balance sheet date of customer funds obligations. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Customer Funds Obligations Current Customer funds obligations Employee-related Liabilities, Current Accrued salaries and benefits Carrying value as of the balance sheet date of the obligations incurred relating to variable compensation. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Accrued Variable Compensation Current Accrued variable compensation Contract with Customer, Liability, Current Deferred revenue, current Operating Lease, Liability, Current Current portion of operating lease liabilities Finance Lease, Liability, Current Current portion of finance lease liabilities Business Combination, Contingent Consideration, Liability, Current Future acquisition commitment, current Purchase commitment and contingent consideration liabilities, current Liabilities, Current Total current liabilities Contract with Customer, Liability, Noncurrent Deferred revenue, net of current portion Long-term Debt, Excluding Current Maturities Debt, net of current portion Operating Lease, Liability, Noncurrent Operating lease liabilities, net of current portion Finance Lease, Liability, Noncurrent Finance lease liabilities, net of current portion Business Combination, Contingent Consideration, Liability, Noncurrent Purchase commitment and contingent consideration liabilities, net of current portion Deferred Income Tax Liabilities, Net Deferred income tax liabilities Aggregate carrying value as of the balance sheet date of deferred other liabilities. Deferred Other Liabilities Current Deferred other liabilities Liabilities Total liabilities Commitments and Contingencies. Commitments and contingencies (Note 12) Stockholders' equity (deficit) Stockholders' equity: Preferred Stock, Value, Issued Preferred shares, $0.001 par value, 30,000 shares authorized; no shares issued and outstanding Common Stock, Value, Issued Common stock Additional Paid in Capital Additional paid in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Stockholders' Equity Attributable to Parent Balance Balance Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Accounts Receivable, Allowance for Credit Loss, Current Ending balance Beginning balance Allowance for accounts receivable Amortized cost of investment in debt security, excluding those classified as cash equivalents, measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Investment In Debt Securities, Excluding Those Classified As Cash Equivalents, Amortized Cost Amortized cost Preferred Stock, Par or Stated Value Per Share Preferred stock par value (per share) Preferred Stock, Shares Authorized Preferred stock, shares authorized (in shares) Preferred Stock, Shares Issued Preferred stock, shares issued (in shares) Preferred Stock, Shares Outstanding Preferred stock, shares outstanding (in shares) Common Stock, Par or Stated Value Per Share Common stock par value (per share) Common Stock, Shares Authorized Common stock, shares authorized (in shares) Common Stock, Shares, Issued Balance (in shares) Balance (in shares) Common stock, shares issued (in shares) Common Stock, Shares, Outstanding Common stock, shares outstanding (in shares) Condensed Consolidated Statements of Comprehensive Income Product and Service [Axis] Product and Service [Domain] Software subscriptions Software subscriptions Services Services Revenues: Revenue from Contract with Customer, Excluding Assessed Tax Total revenues Cost of revenues: Cost of Goods and Services Sold Total cost of revenues Cost of revenues Gross Profit Gross profit Operating expenses: Research and Development Expense Research and development Research & development Selling and Marketing Expense Selling and marketing Selling & marketing General and Administrative Expense General and administrative General & administrative Other Depreciation and Amortization Depreciation & amortization Depreciation and amortization - property and equipment Depreciation and amortization Amount of changes in settlement value of acquisition related liability. Change In Settlement Value Of Acquisition Related Liability Change in fair value of acquisition contingent earn-outs Operating Costs and Expenses Other operating expense (income), net Other segment items Operating Expenses Total operating expenses Operating Income (Loss) Income from operations Interest Income (Expense), Net Interest income, net Interest income, net Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income before income taxes Income Tax Expense (Benefit) Income tax expense (benefit) Income tax expense (benefit) Net income Net income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other comprehensive (income) loss: Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Foreign currency translation adjustments, net of tax Foreign currency translation adjustments and revaluations, net of tax Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Unrealized loss (gain) on investments, net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Total other comprehensive income, net of tax Comprehensive Income (Loss), Net of Tax, Attributable to Parent Total comprehensive income Earnings Per Share, Basic Net income per share, basic (in dollars per share) Basic net income per share: (in dollars per share) Earnings Per Share, Diluted Dilutive net income per share: (in dollars per share) Net income per share, diluted (in dollars per share) Condensed Consolidated Statements of Changes in Stockholders' Equity Equity Components [Axis] Equity Component [Domain] Common Stock Common Stock Additional Paid In Capital. Additional Paid In Capital Retained Earnings [Member] Retained Earnings (Accumulated Deficit) Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Loss Value of stock issued as a result of the net exercise of stock options. Stock Issued During Period Value Stock Options Net Exercised Exercise of stock options, net Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercised Exercise of stock options, net (in shares) APIC, Share-based Payment Arrangement, Option, Increase for Cost Recognition Shares issued upon vesting of Restricted Stock Units, net Restricted Stock, Shares Issued Net of Shares for Tax Withholdings Shares issued upon vesting of Restricted Stock Units, net (in shares) Stock Issued During Period, Value, New Issues Shares issued upon vesting of Restricted Stock Awards, net Stock Issued During Period, Shares, New Issues Shares issued upon vesting of Restricted Stock Awards, net (in shares) APIC, Share-based Payment Arrangement, Increase for Cost Recognition Stock-based compensation expense Stock Issued During Period, Value, Employee Stock Purchase Plan Shares issued under ESPP Stock Issued During Period, Shares, Employee Stock Purchase Plans Shares issued under ESPP (in shares) The amount of Class B shares which are exchanged for Class A shares of stock. Class B shares exchanged for Class A shares Class B shares exchanged for Class A shares The number of shares converted during the period from class B shares to class A shares. Conversion of shares during period Class B shares exchanged for Class A shares (in shares) Represents the decrease in additional paid in capital from purchase of capped calls. Adjustment to Additional Paid In Capital, Purchase of Capped Calls Purchase of capped calls, net of tax Amount of increase in additional paid in capital (APIC) resulting from tax impact on capped calls. Adjustments to Additional Paid in Capital, Tax Impact On Capped Calls Tax impact on capped call transactions OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Unrealized gain from available-for-sale investments, net of tax Condensed Consolidated Statements of Cash Flows Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Hosting Arrangement, Service Contract, Implementation Cost, Expense, Amortization Amortization of cloud computing implementation costs - general and administrative expense Amortization of cloud computing implementation costs Provision For Subscription Cancellations And Non- Renewals Provision for subscription cancellations and non-renewals Amortization of issuance costs Amortization of deferred financing costs Amount of increase (decrease) in the fair value of a contingent consideration liabilities, including, but not limited to, differences arising upon settlement. Business Combination Contingent Consideration Arrangements Change In Fair Value Of Contingent Consideration Liabilities Change in fair value of contingent consideration liabilities Amount of changes in settlement value of deferred purchase commitment liability. Change In Settlement Value Of Deferred Purchase Commitment Liability Change in settlement value of deferred purchase commitment liability The current period expense charged against earnings for write-off of finance costs Write Off Deferred Financing Costs Write-off of deferred financing costs Share-based Payment Arrangement, Noncash Expense Stock-based compensation expense Stock-based compensation expense Deferred Income Tax Expense (Benefit) Deferred income taxes Increase (Decrease) in Other Current Liabilities Non-cash operating lease costs Other Noncash Income (Expense) Other Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other current assets The increase (decrease) during the reporting period in amount of capitalized contract cost due within one year (or one business cycle). Increase Decrease In Capitalized Contract Cost Net Non current Deferred commissions Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities Accrued expenses Increase (Decrease) in Deferred Compensation Accrued and deferred compensation Increase (Decrease) in Contract with Customer, Liability Deferred revenue Increase (Decrease) in Other Noncurrent Liabilities Operating lease liabilities Amount of increase (decrease) in payments for purchase commitment and contingent consideration liabilities in excess of initial fair value. Increase Decrease In Payments For Purchase Commitment And Contingent Consideration Liabilities In Excess Of Initial Fair Value Payments for purchase commitment and contingent consideration liabilities in excess of initial fair value Amount of increase (decrease) in other operating capital. Increase (Decrease) In Other Operating Capital Other Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities: Payments to Acquire Productive Assets Acquisition of businesses and assets, net of cash acquired Payments to Acquire Long-Term Investments Long-term investment Aggregate consideration The current period expense charged against earnings for Property and equipment additions Property and Equipment Additions Property and equipment additions The current period expense charged against earnings for Capitalized software additions. Capitalized software additions Capitalized software additions Payments to Acquire Debt Securities, Available-for-sale Purchase of investment securities, available-for-sale Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale Proceeds from sales and maturities of investment securities, available-for-sale Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities: The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred relating to customer funds. Increase Decrease In Customer Funds Obligations Net increase (decrease) in customer funds obligations Proceeds from Convertible Debt Proceeds from convertible senior notes Repayments of Long-term Debt Principal payments on long-term debt The cash outflow for the payment of a long-term borrowing made from a third party under financing arrangements. Repayments Of Third Party Debt Payments on third-party debt The cash outflow from payments for purchase of capped calls. Payment For Purchase Of Capped Calls Payment for purchase of capped calls Payment for Debt Extinguishment or Debt Prepayment Cost Payments for deferred financing costs The amount of proceeds gained from purchases of stock under the Employee Stock Purchase Plan. Proceeds from purchases of stock under ESPP Payment, Tax Withholding, Share-based Payment Arrangement Payments for taxes related to net share settlement of stock-based awards Proceeds from Stock Options Exercised Proceeds from exercise of stock options The cash outflow on payments for purchase commitment liability. Payments For Purchase Commitment Liability Payments for purchase commitment and contingent consideration liabilities Finance Lease, Principal Payments Payments of finance lease liabilities Net Cash Provided by (Used in) Financing Activities Net cash provided by (used in) financing activities Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Effect of exchange rate changes on cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net increase in cash, cash equivalents and restricted cash