Entity Central Index Key Document and entity information. Document And Entity Information [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Amount of assets related to consideration paid in advance for costs related to third-party hosting agreement. These costs will provide economic benefits within a future period of one year or the normal operating cycle, if longer. Statement Of Financial Position [Abstract] Assets Assets [Abstract] Current assets: Assets Current [Abstract] Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Short-term investments Available For Sale Securities Debt Securities Current Accounts receivable — net of allowance for doubtful accounts of $409 and $371 at March 31, 2016 and December 31, 2015, respectively Accounts Receivable Net Current Deferred commission expense Deferred Sales Commission Prepaid hosting costs Prepaid Hosting Costs Prepaid expenses and other current assets Prepaid Expense And Other Assets Current Total current assets Assets Current Long-term investments Available For Sale Securities Debt Securities Noncurrent Property and equipment, net Property Plant And Equipment Net Capitalized software development costs, net Capitalized Computer Software Net Restricted cash Restricted Cash And Investments Noncurrent Other assets Other Assets Noncurrent Intangible assets, net Finite Lived Intangible Assets Net Goodwill Goodwill Total assets Assets Liabilities and stockholders’ equity Liabilities And Stockholders Equity [Abstract] Current liabilities: Liabilities Current [Abstract] Accounts payable Accounts Payable Current Accrued compensation costs Employee Related Liabilities Current Other accrued expenses Other Accrued Liabilities Current Capital lease obligations Capital Lease Obligations Current Deferred rent Deferred Rent Credit Current Deferred revenue Deferred Revenue Current Total current liabilities Liabilities Current Capital lease obligations, net of current portion Capital Lease Obligations Noncurrent Deferred rent, net of current portion Deferred Rent Credit Noncurrent Deferred revenue, net of current portion Deferred Revenue Noncurrent Other long-term liabilities Other Liabilities Noncurrent Total liabilities Liabilities Commitments and contingencies (Note 6) Commitments And Contingencies Stockholders’ equity: Stockholders Equity [Abstract] Common stock Common Stock Value Additional paid-in capital Additional Paid In Capital Common Stock Accumulated other comprehensive loss Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated deficit Retained Earnings Accumulated Deficit Total stockholders’ equity Stockholders Equity Total liabilities and stockholders’ equity Liabilities And Stockholders Equity Accounts receivable, net of allowance for doubtful accounts Allowance For Doubtful Accounts Receivable Current Revenue derived from professional services performed and other miscellaneous sources. Income Statement [Abstract] Revenues: Revenues [Abstract] Subscription Subscription Revenue Professional services and other Professional Services And Other Revenue Total revenue Revenues Cost of Revenues: Cost Of Revenue [Abstract] Subscription Cost Of Goods Sold Subscription Professional services and other Cost Of Services Total cost of revenues Cost Of Revenue Gross profit Gross Profit Operating expenses: Operating Expenses [Abstract] Research and development Research And Development Expense Sales and marketing Selling And Marketing Expense General and administrative General And Administrative Expense Total operating expenses Operating Expenses Loss from operations Operating Income Loss Other (expense) income: Nonoperating Income Expense [Abstract] Interest income Investment Income Interest Interest expense Interest Expense Other (expense) income Other Nonoperating Income Expense Total other (expense) income Nonoperating Income Expense Loss before income tax provision Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest Income tax provision Income Tax Expense Benefit Net loss Net Income Loss Net loss per share, basic and diluted Earnings Per Share Basic And Diluted Weighted average common shares used in computing basic and diluted net loss per share: Weighted Average Number Of Share Outstanding Basic And Diluted Statement Of Income And Comprehensive Income [Abstract] Net loss Other comprehensive loss: Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract] Foreign currency translation adjustment Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent Changes in unrealized gain (loss) on investments, net of income taxes of $0 for the three months ended March 31, 2016 and 2015 Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent Comprehensive loss Comprehensive Income Net Of Tax Changes in unrealized gain (loss) on investments, income taxes Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent Amount of noncash expense included in rent expense. Cost related to stock offering that have been incurred but not yet paid. Statement Of Cash Flows [Abstract] Operating Activities: Net Cash Provided By Used In Operating Activities Continuing Operations [Abstract] Adjustments to reconcile net loss to net cash and cash equivalents provided by (used in) operating activities Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Depreciation and amortization Depreciation Depletion And Amortization Stock-based compensation Share Based Compensation Provision for deferred income taxes Deferred Income Tax Expense Benefit Amortization of bond premium discount Amortization Of Debt Discount Premium Noncash rent expense Noncash Rent Expense Unrealized currency translation Foreign Currency Transaction Gain Loss Unrealized Changes in assets and liabilities, net of acquisitions Increase Decrease In Operating Capital [Abstract] Accounts receivable Increase Decrease In Accounts Receivable Prepaid expenses and other assets Increase Decrease In Prepaid Deferred Expense And Other Assets Deferred commission expense Increase Decrease In Deferred Compensation Accounts payable Increase Decrease In Accounts Payable Accrued expenses Increase Decrease In Accrued Liabilities Deferred rent Increase Decrease In Deferred Charges Deferred revenue Increase Decrease In Deferred Revenue Net cash and cash equivalents provided by (used in) operating activities Net Cash Provided By Used In Operating Activities Continuing Operations Investing Activities: Net Cash Provided By Used In Investing Activities Continuing Operations [Abstract] Purchases of investments Payments To Acquire Available For Sale Securities Debt Maturities of investments Proceeds From Sale Maturity And Collections Of Investments Purchases of property and equipment Payments To Acquire Property Plant And Equipment Capitalization of software development costs Payments To Develop Software Acquisition of a business Payments To Acquire Businesses Gross Net cash and cash equivalents used in investing activities Net Cash Provided By Used In Investing Activities Continuing Operations Financing Activities: Net Cash Provided By Used In Financing Activities Continuing Operations [Abstract] Secondary offering proceeds, net of offering costs paid of $138 Proceeds From Issuance Of Common Stock Employee taxes paid related to the net share settlement of stock-based awards Payments Related To Tax Withholding For Share Based Compensation Proceeds related to the issuance of common stock under stock plans Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options Repayments of capital lease obligations Repayments Of Long Term Capital Lease Obligations Net cash and cash equivalents provided by financing activities Net Cash Provided By Used In Financing Activities Continuing Operations Effect of exchange rate changes on cash and cash equivalents Effect Of Exchange Rate On Cash And Cash Equivalents Net (decrease) increase in cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Supplemental cash flow disclosure: Supplemental Cash Flow Information [Abstract] Cash and cash equivalents paid for interest Interest Paid Cash and cash equivalents paid for income taxes Income Taxes Paid Non-cash investing and financing activities: Cash Flow Noncash Investing And Financing Activities Disclosure [Abstract] Property acquired under capital lease Capital Lease Obligations Incurred Offering costs incurred but not yet paid Offering Costs Incurred But Not Yet Paid Capital expenditures incurred but not yet paid Capital Expenditures Incurred But Not Yet Paid Offering costs paid on secondary offering Payments Of Stock Issuance Costs Accounting Policies [Abstract] Organization and Operations Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] Earnings Per Share [Abstract] Net Loss per Share Earnings Per Share [Text Block] Fair Value Disclosures [Abstract] Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Property Plant And Equipment [Abstract] Property and Equipment, Net Property Plant And Equipment Disclosure [Text Block] Research And Development [Abstract] Capitalized Software Development Costs Research Development And Computer Software Disclosure [Text Block] Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments And Contingencies Disclosure [Text Block] Equity [Abstract] Changes in Accumulated Other Comprehensive Loss Comprehensive Income Note [Text Block] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Stock-Based Compensation Expense Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Segment Reporting [Abstract] Segment Information and Geographic Data Segment Reporting Disclosure [Text Block] Recent Accounting Pronouncements New Accounting Pronouncements Policy Policy [Text Block] Summary of Reconciliation of Denominator Used in Calculation of Basic and Diluted Net Loss Per Share Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Schedule of Potentially Dilutive Common Stock Equivalents Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block] Schedule of Fair Value Measurements of Financial Assets and Liabilities Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Table [Text Block] Summary of Composition of Short and Long Term Investments Available For Sale Securities [Text Block] Summary of Contractual Maturities of Short and Long Term Investments Investments Classified By Contractual Maturity Date Table [Text Block] Schedule of Property and Equipment Net Property Plant And Equipment [Text Block] Tabular disclosure of capitalized software and developments costs, including the gross balance incurred, accumulated amortization, and net value. Summary of Capitalized Software Development Costs Summary Of Capitalized Software Development Costs Table [Text Block] Summary of components of capitalized software, including costs capitalized during the period, amortization expense recorded during the period, and stock-based compensation expense capitalized as past of capitalized computer software during the period. Summary of Capitalized Software Development Costs Including Stock-Based Compensation and Amortization Research Development And Computer Software Table [Text Block] Changes in Accumulated Other Comprehensive Loss Schedule Of Accumulated Other Comprehensive Income Loss Table [Text Block] Stock Compensation Expense by Award is Recorded in the Company's Consolidated Statements of Operations Disclosure Of Share Based Compensation Arrangements By Share Based Payment Award [Text Block] Effect of Stock-Based Compensation on Income by Line Item Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block] Revenues by Geographical Region Revenue From External Customers By Geographic Areas Table [Text Block] Long Lived Assets by Geographical Region Long Lived Assets By Geographic Areas Table [Text Block] The carrying amount for commissions related to partner sales that were incurred but unpaid as of the balance sheet date. Organization Consolidation And Presentation Of Financial Statements [Abstract] Accrued for partner commissions Accrued Partner Commissions Earnings Per Share Basic And Diluted [Abstract] Weighted-average common shares outstanding — basic Weighted Average Number Of Shares Outstanding Basic Dilutive effect of share equivalents resulting from stock options, common stock warrants and RSUs Weighted Average Number Diluted Shares Outstanding Adjustment Weighted-average common shares, outstanding — diluted Weighted Average Number Of Diluted Shares Outstanding Earnings Per Share Diluted Other Disclosures [Abstract] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Antidilutive Securities Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis] Antidilutive Securities, Name Antidilutive Securities Name [Domain] Options to Purchase Common Shares [Member] Employee Stock Option [Member] Common Stock Warrant [Member] Warrant [Member] RSUs [Member] Restricted Stock Units R S U [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive securities excluded from computation of earnings per share Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Investment Type Investment Type [Axis] Investments Investment Type Categorization [Member] Money Market Funds [Member] Money Market Funds [Member] Commercial Paper [Member] Commercial Paper [Member] Corporate Bonds [Member] Corporate Bond Securities [Member] Us government agency obligations. US Government Agency Obligations [Member] U S Government Agency Obligations [Member] Fair Value, Hierarchy Fair Value By Fair Value Hierarchy Level [Axis] Fair Value Hierarchy Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 1 [Member] Fair Value Inputs Level1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value Inputs Level2 [Member] Fair Value, Inputs, Level 3 [Member] Fair Value Inputs Level3 [Member] 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] Fair value of cash and cash equivalents Cash And Cash Equivalents Fair Value Disclosure Fair value of short and long term investments Available For Sale Securities Debt Securities Fair value of financial assets Assets Fair Value Disclosure Schedule Of Available For Sale Securities [Table] Schedule Of Available For Sale Securities [Table] Schedule of Available-for-sale Securities [Line Items] Schedule Of Available For Sale Securities [Line Items] Amortized Cost Available For Sale Debt Securities Amortized Cost Basis Unrealized Gains Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax Unrealized Losses Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax Aggregate Fair Value Amortized Cost Basis, Due within one year Available For Sale Securities Debt Maturities Within One Year Amortized Cost