Entity Central Index Key Document and entity information. Document And Entity Information [Abstract] Document and Entity Information [Line Items] Document And Entity Information [Abstract] Document and Entity Information Table. Document And Entity Information [Table] Document And Entity Information [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Document And Entity Information [Line Items] Document And Entity Information [Line Items] 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 Statement Of Financial Position [Abstract] Statement Of Financial Position [Abstract] Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Assets Assets [Abstract] Current assets: Assets Current [Abstract] Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Short-term investments Short Term Investments Accounts receivable, net of allowance for doubtful accounts of $2,920 and $2,020 as of June 30, 2014 and December 31, 2013, respectively Accounts Receivable Net Current Prepaid expenses and other current assets Prepaid Expense And Other Assets Current Total current assets Assets Current Property and equipment, net Property Plant And Equipment Net Intangible assets Intangible Assets Net Excluding Goodwill Goodwill Goodwill Other assets Other Assets Noncurrent Total assets Assets Liabilities and stockholders' equity Liabilities And Stockholders Equity [Abstract] Current liabilities: Liabilities Current [Abstract] Accounts payable Accounts Payable Current Accrued and other current liabilities Accrued Liabilities Current Capital leases, short-term Capital Lease Obligations Current Total current liabilities Liabilities Current Capital leases, long-term Capital Lease Obligations Noncurrent Deferred and other long-term tax liabilities, net Deferred Income Taxes And Other Tax Liabilities Noncurrent Other long-term liabilities Other Liabilities Noncurrent Total liabilities Liabilities Commitments and contingencies (Note 11) Commitments And Contingencies Stockholders' equity: Stockholders Equity [Abstract] Common stock, $0.000005 par value-- 5,000,000 shares authorized; 612,682 and 569,922 shares issued and outstanding as of June 30, 2014 and December 31, 2013, respectively Common Stock Value Additional paid-in capital Additional Paid In Capital Accumulated other comprehensive income (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 Allowance for doubtful accounts receivable Allowance For Doubtful Accounts Receivable Current Common stock, par value Common Stock Par Or Stated Value Per Share Common stock, shares authorized Common Stock Shares Authorized Common stock, shares issued Common Stock Shares Issued Common stock, shares outstanding Common Stock Shares Outstanding Income Statement [Abstract] Income Statement [Abstract] Revenue Revenues Costs and expenses Costs And Expenses [Abstract] Cost of revenue Cost Of Revenue Research and development Research And Development Expense Sales and marketing Selling And Marketing Expense General and administrative General And Administrative Expense Total costs and expenses Costs And Expenses Loss from operations Operating Income Loss Interest income (expense), net Interest Income Expense Net Other income (expense), net Other Nonoperating Income Expense Loss before income taxes Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments Provision (benefit) for income taxes Income Tax Expense Benefit Net loss Net Income Loss Net loss per share attributable to common stockholders: Earnings Per Share [Abstract] Basic Earnings Per Share Basic Diluted Earnings Per Share Diluted Weighted-average shares used to compute net loss per share attributable to common stockholders: Weighted Average Number Of Shares Outstanding [Abstract] Basic Weighted Average Number Of Shares Outstanding Basic Diluted Weighted Average Number Of Diluted Shares Outstanding Statement Of Income And Comprehensive Income [Abstract] Statement Of Income And Comprehensive Income [Abstract] Net loss Other comprehensive income (loss): Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract] Unrealized loss on investments in available-for-sale securities, net of tax Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax Foreign currency translation adjustment Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax Net change in accumulated other comprehensive loss Other Comprehensive Income Loss Net Of Tax Comprehensive loss Comprehensive Income Net Of Tax Unpaid deferred offering costs. Statement Of Cash Flows [Abstract] Statement Of Cash Flows [Abstract] Cash flows from operating activities Net Cash Provided By Used In Operating Activities Continuing Operations [Abstract] Adjustments to reconcile net loss to net cash provided by operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Depreciation and amortization Depreciation And Amortization Stock-based compensation expense Share Based Compensation Provision for bad debt Provision For Doubtful Accounts Deferred income tax benefit Deferred Income Tax Expense Benefit Non-cash acquisition-related costs Amortization Of Acquisition Costs Amortization of investment premium and other Adjustment For Amortization Changes in assets and liabilities, net of assets acquired and liabilities assumed from 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 Accounts payable Increase Decrease In Accounts Payable Accrued and other liabilities Increase Decrease In Accrued Liabilities And Other Operating Liabilities Net cash provided by operating activities Net Cash Provided By Used In Operating Activities Continuing Operations Cash flows from investing activities Net Cash Provided By Used In Investing Activities Continuing Operations [Abstract] Purchases of property and equipment Payments To Acquire Productive Assets Purchases of marketable securities Payments To Acquire Marketable Securities Proceeds from maturities of marketable securities Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities Proceeds from sales of marketable securities Proceeds From Sale Of Available For Sale Securities Restricted cash Increase Decrease In Restricted Cash Business combinations, net of cash acquired Payments To Acquire Businesses Net Of Cash Acquired Net cash used in investing activities Net Cash Provided By Used In Investing Activities Continuing Operations Cash flows from financing activities Net Cash Provided By Used In Financing Activities Continuing Operations [Abstract] Taxes paid related to net share settlement of equity awards Payments Related To Tax Withholding For Share Based Compensation Repayments of capital lease obligations Repayments Of Long Term Capital Lease Obligations Proceeds from exercise of stock options, net of repurchase Proceeds From Repurchase Of Equity Proceeds from issuances of common stock under employee stock purchase plan Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Payments of offering costs Payments Of Stock Issuance Costs Net cash used in financing activities Net Cash Provided By Used In Financing Activities Continuing Operations Net increase (decrease) in cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease Foreign exchange effect on cash and cash equivalents Effect Of Exchange Rate On Cash And Cash Equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Supplemental disclosures of non-cash investing and financing activities Supplemental Cash Flow Information [Abstract] Common and convertible preferred stock issued in connection with acquisitions Stock Issued1 Equipment purchases under capital leases Capital Lease Obligations Incurred Changes in accrued equipment purchases Capital Expenditures Incurred But Not Yet Paid Unpaid deferred offering costs Unpaid Deferred Offering Costs Text Block [Abstract] Description of Business and Summary of Significant Accounting Policies Business Description And Accounting Policies [Text Block] Cash, Cash Equivalents and Short-term Investments Cash Cash Equivalents And Short Term Investments [Text Block] Fair Value Measurements Fair Value Disclosures [Text Block] Property and Equipment, Net Property Plant And Equipment Disclosure [Text Block] Goodwill and Other Intangible Assets Goodwill And Intangible Assets Disclosure [Text Block] Other Balance Sheet Components Supplemental Balance Sheet Disclosures [Text Block] Acquisitions Business Combination Disclosure [Text Block] Net Loss Per Share Earnings Per Share [Text Block] Common Stock and Stockholders' Equity Shareholders Equity And Share Based Payments [Text Block] Income Taxes Income Tax Disclosure [Text Block] Commitments and Contingencies Commitments And Contingencies Disclosure [Text Block] Operations by Geographic Area Segment Reporting Disclosure [Text Block] Subsequent Events Subsequent Events [Text Block] Basis of Presentation Basis Of Accounting Policy Policy [Text Block] Use of Estimates Use Of Estimates Recent Accounting Pronouncements New Accounting Pronouncements Policy Policy [Text Block] Cash, Cash and Equivalents and Short-term Investments Schedule Of Cash Cash Equivalents And Short Term Investments Table [Text Block] Summary of Unrealized Gains and Losses Related to Available-for-Sale Securities Classified as Short-term Investments Unrealized Gain Loss On Investments Table [Text Block] Summary of Short-term Investments in Unrealized Loss Position and Related Gross Unrealized Losses and Fair Value, Aggregated by Investment Category and Length of Time Schedule Of Unrealized Loss On Investments Table [Text Block] Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table [Text Block] Schedule of Property and Equipment, Net Property Plant And Equipment [Text Block] Schedule of Goodwill Activities Schedule Of Goodwill [Text Block] Schedule of Other Intangible Assets Schedule Of Finite Lived Intangible Assets Table [Text Block] Schedule of Estimated Future Amortization Expenses Scheduleof Finite Lived Intangible Assets Future Amortization Expense Table [Text Block] Prepaid and Other Current Assets Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Text Block] Accrued and Other Current Liabilities Schedule Of Accrued Liabilities Table [Text Block] Basic and Diluted Net Loss Per Share Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Summary of Potential Common Shares Excluded from Calculation of Diluted Net Loss Per Share Attributable to Common Stockholders Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block] Summary of Restricted Stock Activity Nonvested Restricted Stock Shares Activity Table [Text Block] Summary of Stock Option Activity Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] Summary of RSU Activity Schedule Of Share Based Compensation Restricted Stock Units Award Activity Table [Text Block] Stock-Based Compensation Expense Recorded for Employee and Non-Employee Stock Options Disclosure Of Share Based Compensation Arrangements By Share Based Payment Award [Text Block] Compensation Expense Allocated Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block] Schedule of Share-based Payment Award, Valuation Assumptions Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block] Minimum Commitments Under Non-Cancelable Capital and Operating Lease Agreements Contractual Obligation Fiscal Year Maturity Schedule Table [Text Block] Revenue by Geography Revenue From External Customers By Geographic Areas Table [Text Block] Long-lived Assets by Geographic Area Long Lived Assets By Geographic Areas Table [Text Block] Unrecognized tax benefits for net deferred tax assets and liability. Accounting Policies [Abstract] Accounting Policies [Abstract] Decrease in net deferred tax assets and liability Unrecognized Tax Benefits For Net Deferred Tax Assets And Liability Cash And Cash Equivalents [Abstract] Cash And Cash Equivalents [Abstract] Schedule Of Cash And Cash Equivalents [Table] Schedule Of Cash And Cash Equivalents [Table] Cash and Cash Equivalents Cash And Cash Equivalents [Axis] Cash and Cash Equivalents Restricted Cash And Cash Equivalents Cash And Cash Equivalents [Member] Cash Cash [Member] Money Market Funds Money Market Funds [Member] U.S. government and agency securities including treasury bills. U.S. Government and Agency Securities Including Treasury Bills U S Government And Agency Securities Including Treasury Bills [Member] Corporate notes, certificates of deposit and commercial paper. Corporate Notes, Certificates of Deposit and Commercial Paper Corporate Notes Certificates Of Deposit And Commercial Paper [Member] Cash And Cash Equivalents [Line Items] Cash And Cash Equivalents [Line Items] Cash and cash equivalents: Cash And Cash Equivalents At Carrying Value [Abstract] Short-term investments: Short Term Investments [Abstract] Amount of accumulated pre-tax unrealized gain before deducting pre-tax unrealized losses on investments in available-for-sale securities impacting investments. Amount of accumulated pre-tax unrealized loss before deducting pre-tax unrealized gain on investments in available-for-sale securities impacting investments. 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] Gross Amortized Costs Available For Sale Securities Amortized Cost Gross Unrealized Gains Available For Sale Securities Gross Unrealized Gain Accumulated In Investments Gross Unrealized Losses Available For Sale Securities Gross Unrealized Loss Accumulated In Investments Aggregated Estimated Fair Value Amount of accumulated pre-tax unrealized loss on investments in available-for-sale securities that have been in a loss position for less than twelve months impacting investments. Amount of accumulated pre-tax unrealized loss on investments in available-for-sale securities that have been in a loss position for twelve months or longer impacting investments. Amount of accumulated pre-tax unrealized loss on investments on securities classified as available-for-sale securities impacting investments. Less than 12 Months, Fair Value Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value Less than 12 Months, Unrealized Loss Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses Accumulated In Investments 12 Months or Greater, Fair Value Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value 12 Months or Greater, Unrealized Loss Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses Accumulated In Investments Total Fair Value Available For Sale Securities Continuous Unrealized Loss Position Fair Value Total Unrealized Loss Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses Accumulated In Investments Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value, Hierarchy Fair Value By Fair Value Hierarchy Level [Axis] Fair Value Hierarchy Fair Value Measurements Fair Value Hierarchy [Domain] Level 1 Fair Value Inputs Level1 [Member] Level 2 Fair Value Inputs Level2 [Member] Level 3 Fair Value Inputs Level3 [Member] Measurement Frequency Fair Value By Measurement Frequency [Axis] Fair Value, Measurement Frequency Fair Value Measurement Frequency [Domain] Fair Value, Measurements, Recurring Fair Value Measurements Recurring [Member] Investment Type Investment Type [Axis] Investments Investment Type Categorization [Member] Treasury Bills U S Treasury Bill Securities [Member] Commercial Paper Commercial Paper [Member] US Government Securities U S Government Agencies Debt Securities [Member] Corporate Notes Corporate Note Securities [Member] Certificates of Deposit Certificates Of Deposit [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] Assets Assets Fair Value Disclosure [Abstract] Cash equivalents Cash And Cash Equivalents Fair Value Disclosure Short-term investments Investments Fair Value Disclosure Total Assets Fair Value Disclosure Underlying Asset Class Underlying Asset Class [Axis] Underlying Asset Class Underlying Asset Class [Domain] Agency Securities Agency Securities [Member] Property Plant And Equipment [Abstract] Property Plant And Equipment [Abstract] Schedule Of Property Plant And Equipment [Table] Schedule Of Property Plant And Equipment [Table] Property, Plant and Equipment, Type Property Plant And Equipment By Type [Axis] Property, Plant and Equipment, Type Property Plant And Equipment Type [Domain] Equipment Equipment [Member] Furniture and leasehold improvements. Furniture and Leasehold Improvements Furniture And Leasehold Improvements [Member] Capitalized software. Capitalized Software Capitalized Software [Member] Construction in Progress Construction In Progress [Member] Property Plant And Equipment [Line Items] Property Plant And Equipment [Line Items] Property and equipment, net Property Plant And Equipment Net By Type [Abstract] Property and equipment, gross Property Plant And Equipment Gross Less: Accumulated depreciation and amortization Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Property and equipment, net Goodwill And Intangible Assets Disclosure [Abstract] Goodwill And Intangible Assets Disclosure [Abstract] Schedule Of Goodwill [Table] Schedule Of Goodwill [Table] Business Acquisition Business Acquisition [Axis] Business Acquisition, Acquiree Business Acquisition Acquiree [Domain] Gnip acquisition. Gnip acquisition Gnip Acquisition [Member] Other Acquisition. Other acquisitions Other Acquisitions [Member] Goodwill [Line Items] Goodwill [Line Items] Beginning balance Acquisition Goodwill Acquired During Period Foreign currency translation adjustment Goodwill Translation Adjustments Ending balance Schedule Of Finite Lived Intangible Assets [Table] Schedule Of Finite Lived Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class Finite Lived Intangible Assets By Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name Finite Lived Intangible Assets Major Class Name [Domain] Patents and developed technologies. Patents and Developed Technologies Patents And Developed Technologies [Member] Publisher and advertiser relationships. Publisher and Advertiser Relationships Publisher And Advertiser Relationships [Member] Assembled workforce. Assembled Workforce Assembled Workforce [Member] Other Intangible Assets Other Intangible Assets [Member] Finite Lived Intangible Assets [Line Items] Finite Lived Intangible Assets [Line Items] Gross Carrying Value Finite Lived Intangible Assets Gross Accumulated Amortization Finite Lived Intangible Assets Accumulated Amortization Net Carrying Value Finite Lived Intangible Assets Net Amortization of intangible assets Amortization Of Intangible Assets Remainder of 2014 Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year 2015 Finite Lived Intangible Assets Amortization Expense Year Two 2016 Finite Lived Intangible Assets Amortization Expense Year Three 2017 Finite Lived Intangible Assets Amortization Expense Year Four 2018 Finite Lived Intangible Assets Amortization Expense Year Five Thereafter Finite Lived Intangible Assets Amortization Expense After Year Five Other balance sheet components. Other balance sheet components. Other Balance Sheet Components [Table] Other Balance Sheet Components [Table] Other Balance Sheet Components [Line Items] Other Balance Sheet Components [Line Items] Deferred income taxes, net Deferred Income Taxes And Other Assets Current Prepaid and other Other Prepaid Expense Current Total Accrued Fixed Assets And Maintenance Accrued publisher payments. Accrued compensation Employee Related Liabilities Current Accrued fixed assets and maintenance Accrued Fixed Assets And Maintenance Deferred revenue Deferred Revenue Current Accrued publisher payments Accrued Publisher Payments Accrued professional services Accrued Professional Fees Current Accrued tax liabilities Taxes Payable Current Accrued other Other Accrued Liabilities Current Total Business combination consideration transferred including equity interest in acquiree held prior to combination shares. Business Combinations [Abstract] Business Combinations [Abstract] Schedule Of Business Acquisitions By Acquisition [Table] Schedule Of Business Acquisitions By Acquisition [Table] Gnip Inc. Gnip Inc Gnip Inc [Member] Developed Technology Rights Developed Technology Rights [Member] Customer Relationships Customer Relationships [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Business acquisition, purchase price cash consideration Payments To Acquire Businesses Gross Business acquisition, common stock issued including shares of restricted stock Business Acquisition Equity Interests Issued Or Issuable Number Of Shares Issued Business acquisition, common shares issueable in respect of assumed equity awards held by individauls Business Combination Consideration Transferred Including Equity Interest In Acquiree Held Prior To Combination Shares Business Combination, Consideration Transferred Business Combination Consideration Transferred1 Acquisition purchase price allocated to finite lived intangible assets Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangibles Acquisition purchase price allocated to liability Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities Acquisition purchase price allocated to deferred tax liability Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deferred Tax Liabilities Noncurrent Acquisition purchase price allocated to assets Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets Other companies Series Of Individually Immaterial Business Acquisitions [Member] Number of businesses acquired Number Of Businesses Acquired Business acquisition, common stock issued Business Combination Consideration Transferred Equity Interests Issued And Issuable Range Range [Axis] Range Range [Member] Minimum Minimum [Member] Maximum Maximum [Member] Estimated useful life of intangible assets Finite Lived Intangible Asset Useful Life Fair value of contingent payment Business Combination Contingent Consideration Liability Equity compensation service period Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period1 Unrecognized share-based compensation expense Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized 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 Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Basic shares: Weighted Average Number Of Shares Outstanding Basic [Abstract] Weighted-average common shares outstanding Weighted Average Number Of Shares Issued Basic Weighted-average restricted stock subject to repurchase Weighted Average Number Of Shares Restricted Stock Weighted-average shares used to compute basic net loss per share Diluted shares: Weighted Average Number Diluted Shares Outstanding Adjustment [Abstract] Weighted-average shares used to compute diluted net loss per share Net loss per share attributable to common stockholders: Earnings Per Share Basic And Diluted [Abstract] Antidilutive Securities Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis] Antidilutive Securities, Name Antidilutive Securities Name [Domain] Stock Options Stock Option [Member] RSUs Restricted Stock Units R S U [Member] Employee Stock Purchase Plans Employee Stock [Member] Shares Subject to Repurchase Restricted Stock [Member] Warrant Warrant [Member] Anti-dilutive securities excluded from the computation of diluted net income per share Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Award Type Award Type [Axis] Equity Award Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Restricted Common Stock Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Number of Unvested Shares, beginning of period Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number Number of Shares, Granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Number of Shares, Vested Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Number of Shares, Canceled Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period Number of Unvested Shares, end of period Weighted Average Grant Date Fair Value Per Share, beginning of period Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value Per Share, Granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value Per Share, Vested Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value Per Share, Canceled Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value Per Share, end of period Compensation expense related to restricted stock Restricted Stock Expense Unamortized stock-based compensation expense related to restricted stock Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options Unamortized stock-based compensation expense, weighted average recognition period Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndNonOptionEquityInstrumentsOutstandingNumber. Equity incentive plans 2013. 2013 Equity Incentive Plan Equity Incentive Plans2013 [Member] Equity incentive plan 2007. 2007 Equity Incentive Plan Equity Incentive Plan2007 [Member] Pre twenty thirteen restricted stock units. Pre-2013 RSUs Pre Twenty Thirteen Restricted Stock Units [Member] Post twenty thirteen restricted stock units. Post-2013 RSUs Post Twenty Thirteen Restricted Stock Units [Member] Stock options outstanding Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number Common stock, capital shares reserved for future issuance Common Stock Capital Shares Reserved For Future Issuance Income taxes paid Stock options restricted stock units outstanding Share Based Compensation Arrangement By Share Based Payment Award Options And Non Option Equity Instruments Outstanding Number Number of shares purchased Share Based Compensation Arrangement By Share Based Payment Award Shares Purchased For Award Shares purchased price, per share Share Based Compensation Arrangement By Share Based Payment Award Per Share Weighted Average Price Of Shares Purchased Share-based compensation expense Allocated Share Based Compensation Expense Options Outstanding - Number of Shares Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Roll Forward Outstanding at beginning of period Options assumed in connection with acquisitions Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Options exercised Stock Issued During Period Shares Stock Options Exercised Options canceled Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Outstanding at end of period Vested and expected to vest at end of period Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number Exercisable at end of period Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number Options Outstanding - Weighted-Average Exercise Price Per Share Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Rollforward Outstanding at beginning of period Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Options assumed in connection with acquisitions Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Options exercised Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price Options canceled Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price Outstanding at end of period Vested and expected to vest at end of period Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Exercise Price Exercisable at end of period Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price Share based compensation arrangement by share based payment award options weighted average remaining contractual term. Options Outstanding - Weighted-Average Remaining Contractual Life Share Based Compensation Arrangement By Share Based Payment Award Options Weighted Average Remaining Contractual Term [Abstract] Outstanding Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 Vested and expected to vest at end of period Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 Exercisable at end of period Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 Share based compensation arrangement by share based payment award options aggregate intrinsic value. Options Outstanding - Aggregate Intrinsic Value Share Based Compensation Arrangement By Share Based Payment Award Options Aggregate Intrinsic Value [Abstract] Outstanding at beginning of period Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value Outstanding at end of period Vested and expected to vest at end of period Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value Exercisable at end of period Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 Employee Stock Option Employee Stock Option [Member] Stock options exercised, intrinsic value Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value Stock options vested, fair value Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 Share based compensation arrangement by share based payment award equity instruments other than options vested number. Shares, Granted Shares, Vested Shares, Canceled Shares, Vested and outstanding at end of period Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested Number Share based compensation arrangement by share based payment award equity instruments other than options vested weighted average grant date fair value. Weighted Average Grant Date Fair Value Per Share, Vested and outstanding at end of period Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested Weighted Average Grant Date Fair Value Employee. Employee Employee [Member] Non employee. Non-Employee Non Employee [Member] Income Statement Location Income Statement Location [Axis] Income Statement Location Income Statement Location [Domain] Cost of Revenue Cost Of Sales [Member] Research and Development Research And Development Expense [Member] Sales and Marketing Selling And Marketing Expense [Member] General and Administrative General And Administrative Expense [Member] Share-based compensation, capitalized amount Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount Share-based compensation, weighted average grant date fair value Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Expected dividend yield Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate Risk-free interest rate Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Expected volatility Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Expected term (in years) Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 Unamortized share-based compensation expense related to unvested stock options Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options Unamortized stock-based compensation expense, ESPP Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Income Tax Contingency [Table] Income Tax Contingency [Table] Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Unrecognized tax benefits, period change Unrecognized Tax Benefits Period Increase Decrease Unrecognized tax benefits, gross Unrecognized Tax Benefits Increase (decrease) in operating loss carryforwards. Restricted Common Stock Income Tax Authority Income Tax Authority [Axis] Income Tax Authority Income Tax Authority [Domain] Federal Domestic Country [Member] State State And Local Jurisdiction [Member] Increase of Operating Loss Carryforwards Increase Decrease In Operating Loss Carryforwards Excess tax benefits from restricted stock Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation Commitments And Contingencies Disclosure [Abstract] Commitments And Contingencies Disclosure [Abstract] Other Commitments [Table] Other Commitments [Table] Variable Rate Variable Rate [Axis] Variable Rate Variable Rate [Domain] Base Rate Base Rate [Member] London Interbank Offered Rate (LIBOR) London Interbank Offered Rate L I B O R [Member] Other Commitments [Line Items] Other Commitments [Line Items] Unsecured revolving credit facility Line Of Credit Facility Current Borrowing Capacity Line of credit facility, expiration date Line Of Credit Facility Expiration Date1 Line of credit facility, interest rate description Line Of Credit Facility Interest Rate Description Line of credit facility, interest rate Debt Instrument Basis Spread On Variable Rate1 Operating leased and capital leased assets. Schedule of operating leased and capital leased assets. Schedule Of Operating Leased And Capital Leased Assets [Table] Schedule Of Operating Leased And Capital Leased Assets [Table] Operating Leased And Capital Leased Assets [Line Items] Operating Leased And Capital Leased Assets [Line Items] Remainder of 2014 Operating Leases Future Minimum Payments Remainder Of Fiscal Year 2015 Operating Leases Future Minimum Payments Due Current 2016 Operating Leases Future Minimum Payments Due In Two Years 2017 Operating Leases Future Minimum Payments Due In Three Years 2018 Operating Leases Future Minimum Payments Due In Four Years Thereafter Operating Leases Future Minimum Payments Due Thereafter Total Operating Leases Future Minimum Payments Due Remainder of 2014 Capital Leases Future Minimum Payments Remainder Of Fiscal Year 2015 Capital Leases Future Minimum Payments Due Current 2016 Capital Leases Future Minimum Payments Due In Two Years 2017 Capital Leases Future Minimum Payments Due In Three Years 2018 Capital Leases Future Minimum Payments Due In Four Years Thereafter Capital Leases Future Minimum Payments Due Thereafter Total Capital Leases Future Minimum Payments Due Less: Amounts representing interest Capital Leases Future Minimum Payments Interest Included In Payments Total capital lease obligation Capital Leases Future Minimum Payments Present Value Of Net Minimum Payments Less: Short-term portion Long-term portion Segment Reporting [Abstract] Segment Reporting [Abstract] Reconciliation Of Revenue From Segments To Consolidated [Table] Reconciliation Of Revenue From Segments To Consolidated [Table] Geographical Statement Geographical [Axis] Geographical Segment Geographical [Domain] United States North America [Member] International. International International [Member] Segment Reporting Revenue Reconciling Item [Line Items] Segment Reporting Revenue Reconciling Item [Line Items] Revenue: Revenues [Abstract] Revenue percentage. Number of Individual Country Contributed In Excess of Ten Percent. Schedule Of Revenues From External Customers And Long Lived Assets [Table] Schedule Of Revenues From External Customers And Long Lived Assets [Table] Concentration Risk Benchmark Concentration Risk By Benchmark [Axis] Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Sales Sales [Member] Revenue Sales Revenue Net [Member] United Kingdom G B Revenues From External Customers And Long Lived Assets [Line Items] Revenues From External Customers And Long Lived Assets [Line Items] Revenue percentage Revenue Percentage Number of individual country that contributed in excess of ten percent to revenue Number Of Individual Country Contributed In Excess Of Ten Percent To Revenue Long-lived assets: Property Plant And Equipment Net [Abstract] Subsequent Events [Abstract] Subsequent Events [Abstract] Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type Subsequent Event Type [Axis] Subsequent Event Type Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Series of Individually Immaterial Business Acquisitions Subsequent Event [Line Items] Subsequent Event [Line Items] Business acquisition, common stock issued Acquired companies' employees' stock option Noncash Or Part Noncash Acquisition Noncash Financial Or Equity Instrument Consideration Options Issued1