Number of Commercial Hotspots for which AccessIs Provided Number of commercial hotspots worldwide for which Wi-Fi subscriptions and day passes provide access Represents the number of commercial hotspots for which access is provided. Common Stock Reserved [Abstract] Common Stock reserved Common Stock Warrants [Member] Represents information pertaining to common stock warrants. Common stock warrants Deferred Tax Assets Outside Basis Differences for US Partnerships Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences between U.S. partnerships. Outside basis differences for U.S. partnerships State taxes Deferred Tax Liabilities State Taxes The amount of deferred tax liability attributable to taxable temporary differences from state taxes. Employment Contract [Abstract] Employment contracts Notes Receivable from Stockholder [Abstract] Note receivable from stockholder Number of Officers Represents the number of officers with whom the entity entered into an employment contract. Number of officers with whom the entity entered into employment contracts Number of Components of Contingent Consideration Number of components of contingent consideration Represents the number of components of contingent consideration. Amount of required minimum rental payments for leases and airport guarantees having an initial or remaining non-cancelable letter-term in excess of one year. Minimum lease payments Operating Leases and Airport Guarantees Future Minimum Payments Due Amendment Description Operating Leases and Airport Guarantees Future Minimum Payments Due [Abstract] Operating Leases and Airport Guarantees Amendment Flag Operating Leases and Airport Guarantees Future Minimum Payments Due Current Amount of required minimum rental payments maturing in the next fiscal year following the latest fiscal year for operating leases and airport guarantees having an initial or remaining non-cancelable letter-term in excess of one year. 2013 Operating Leases and Airport Guarantees Future Minimum Payments Due in Five Years Amount of required minimum rental payments maturing in the fifth fiscal year following the latest fiscal year for operating leases and airport guarantees having an initial or remaining non-cancelable letter-term in excess of one year. 2017 Goodwill and Intangible Assets [Roll Forward] Changes in carrying amount of goodwill and intangible assets Intangible Assets Net, Including Goodwill Acquired During Period Additions The aggregate amount of intangible assets including goodwill acquired during the period. Venue Contracts [Member] Venue contracts Represents information related to venue contract. Preferred Stock Warrants [Member] Preferred stock warrants Represents information pertaining to preferred stock warrants. Warrants to purchase preferred stock Fair Value Measurement with Unobservable Inputs Reconciliation Recurring Basis Liability Exercise and Conversion Exercise and conversion of preferred stock warrants into common stock Represents exercise and conversion of preferred stock warrants into common stock that have taken place during the period in relation to liabilities measured at fair value and categorized within Level 3 of the fair value hierarchy. The non-current portion of other receivables, net, that is amounts expected to be collected after one year or the normal operating cycle, if longer from third parties or arising from transactions not separately disclosed. Other Receivables Net Non Current Non-current other receivables Reverse Stock Split [Abstract] Reverse stock split Reverse Stock Split Fractional Shares Settled in Cash Fractional shares settled in cash for common and preferred stockholders As the result of a reverse stock split, represents the amount of cash paid for fractional shares for common and preferred stockholders. Equipment and Software under Capital Lease [Policy Text Block] Equipment and software under capital lease Disclosure of accounting policy for leasing arrangements of equipment and software under capital lease. Selling and Marketing Expenses [Policy Text Block] Advertising, marketing and promotion costs Disclosure of accounting policy for inclusion of significant items in the selling and marketing expenses. Non Controlling Interests [Policy Text Block] Non-controlling interests Disclosure of accounting policy for non-controlling interests. Warrants Exercisable into Convertible Preferred Stock [Policy Text Block] Warrants exercisable into convertible preferred stock Disclosure of accounting policy for warrants exercisable into preferred stock. Customer One [Member] One customer Represents information related to customer one, in terms of concentration. Customer Two [Member] Two customer Represents information related to customer two, in terms of concentration. Current Fiscal Year End Date Award Type [Axis] Number of Customers Number of customers Represents the number of customers. Restricted Cash and Cash Equivalents [Abstract] Restricted cash Goodwill [Abstract] Goodwill Number of Reporting Unit Number of reporting units Represents the number of reporting units. Document and Entity Information Series A-2 convertible preferred stock Outstanding nonredeemable series A-2 preferred stock or outstanding series A-2 preferred stock. Classified within stockholders' equity if nonredeemable or redeemable solely at the option of the issuer. Classified within temporary equity if redemption is outside the control of the issuer. Series A2 Convertible Preferred Stock [Member] Series A-2 Convertible Preferred Stock Stock Issued During Period Value Exercise and Conversion of Preferred Stock Warrants Issuance of common stock upon exercise and conversion of preferred stock warrants Value of the common stock issued during the period as a result of exercise and conversion of the preferred stock warrants. Stock Issued During Period Shares Exercise and Conversion of Preferred Stock Warrants Issuance of common stock upon exercise and conversion of preferred stock warrants (in shares) Common stock issued during the period as a result of the exercise of preferred stock warrants. Issuance of common stock upon exercise of common stock warrants Value of the common stock issued during the period as a result of the exercise of common stock warrants. Stock Issued During Period Value Exercise of Common Stock Warrants Stock Issued During Period Share Exercise of Common Stock Warrants Warrants exercised into shares (in shares) Number of shares of the common stock issued during the period as a result of the exercise of common stock warrants. Issuance of common stock upon exercise of common stock warrants (in shares) Forgiveness of Notes Receivable from Stockholder Represents the amount of note receivable from stockholders that has been forgiven by the entity during the reporting period. Forgiveness of note receivable from stockholder and principal and interest outstanding Forgiveness of note receivable from stockholder Document Period End Date Note Receivable from Stockholder Represents details related to note receivable from stockholders by the entity. Note Receivable from Stockholder [Member] Forgiveness on Note Receivable from Stockholder Cash Flow Impact Forgiveness on note receivable from stockholder Represent the amount of note receivable from stockholders that have been forgiven by the entity during the reporting period. As non-cash item, it is added to net income when calculating cash provided by or used in operations using the indirect method. Noncash Stock Issuance Cost Offering costs in accounts payable, accrued expenses and other liabilities The cost incurred directly with the issuance of an equity security which is not paid by the entity and held in liabilities. The value of the common stock [noncash or part noncash] in the exercise and conversion of preferred stock warrants into common stock. Exercise and Conversion of Preferred Stock Warrants into Common Stock Exercise and conversion of preferred stock warrants into common stock Non cash amount of Treasury stock retired. Treasury Stock Amount Retired Non Cash Retirement of treasury stock Offering Costs Related to Stock Options Issued to Non Employee Consultant Offering costs related to stock options issued to non-employee consultant The cost incurred directly with the issuance of stock options to non-employee consultant in non-cash investing and financing transactions. Consultant's expense recorded as offering cost of IPO Unpaid Incurred Business Acquisition Contractual Obligations Future cash outflows to pay for liability related to revenue sharing arrangement with previous owners of acquired business entities incurred but unpaid at the end of the reporting period. Contractual payments related to business acquisition in accrued expenses and other liabilities Accrued Partner Network Current Carrying amount, as of the balance sheet date, of accrued partner network expenses, which are due within one year. Accrued partner network Deferred Service Usage Credits Current Carrying amount as of the balance sheet date of deferred service usage credits are expected to be recognized within one year or the normal operating cycle, if longer. Deferred service usage credits Entity [Domain] Chicago Concourse Development Group LLC [Member] Details pertaining to Chicago Concourse Development Group, LLC. Chicago Concourse Development Group, LLC CCDG CCG Detroit Concourse Communications Detroit LLC [Member] Represents information pertaining to Concourse Communications Detroit, LLC. Concourse Communications Detroit, LLC Telecom operations and wholesale partner arrangements Wholesale Wholesale Partner Arrangement [Member] Details pertaining to wholesale partner arrangements. Retail Subscription [Member] Retail subscription Details pertaining to retail subscription revenue source. Retail Single Use [Member] Retail single-use Details pertaining to retail single use revenue source. Advertising and Other [Member] Advertising and other Details pertaining to advertising and other revenue sources. Platform Service Arrangements [Member] Details pertaining to platform service arrangements. Platform service arrangements Revenue Recognition Period Term of the arrangement used to determine revenue recognition Represents the term of the arrangement that is used as a basis for recognizing certain revenues. Schedule of depreciation and amortization expense Tabular disclosure of allocation of depreciation and amortization expense on the property and equipment, on the condensed consolidated statement of operations. Schedule of Depreciation and Amortization Expense Allocation [Table Text Block] Network access Details pertaining to network access, a caption within costs and operating expenses of the entity. Network Access [Member] Network Operations [Member] Network operations Details pertaining to network operations, a caption within costs and operating expenses of the entity. Share Based Compensation Arrangement by Share Based Payment Award Additional Shares that May be Authorized Annually Percentage Annual percentage increase alternative, increase in common stock reserved for issuance as a percentage of common stock outstanding Under the automatic percentage increase alternative, represents the potential annual increase in common stock reserved for issuance as share-based compensation, expressed as a percentage of common stock outstanding at the beginning of each fiscal year. Share Based Compensation Arrangement by Share Based Payment Award, Options Weighted Average Remaining Contractual Term [Abstract] Weighted-Average Remaining Contract Life (years) Incremental Common Shares Attributable to Common Stock Warrants Effect of dilutive common stock warrants (in shares) Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of common stock warrants using the treasury stock method. Annual fixed increase alternative, increase in shares of common stock reserved for issuance (in shares) Under the fixed increase alternative, represents the potential annual increase in shares of common stock reserved for issuance as share-based compensation. Share Based Compensation Arrangement by Share Based Payment Award Additional Shares that May be Authorized Annually Revenue share Carrying amount, as of the balance sheet date, of the obligations incurred through revenue sharing arrangements, which are due within one year. Revenue Share Windfall tax benefits from stock option exercises Windfall tax benefits recognized from the exercise of stock options resulting in a reduction of the entity's income tax payable, with a corresponding increase in additional paid-in capital. Windfall Tax Benefits from Stock Option Exercises Endeka Group Inc [Member] Endeka Represents information pertaining to Endeka Group, Inc. which is the sole provider of commercial wireless broadband, VoIP and IPTV services at certain military bases, as well as Wi-Fi services to certain federal law enforcement training facilities. Represents information pertaining to Cloud 9 Wireless Inc., which provides Wi-Fi sponsorship and location-based advertising services. Cloud 9 Wireless Inc [Member] Cloud 9 Wireless, Inc. Gross intangible assets Acquired Finite Lived Intangible Assets [Abstract] The amount of acquisition cost of a business combination allocated to current assets, net of cash acquired. Business Acquisition Purchase Price Allocation Current Assets Net of Cash Acquired Current assets Business Description [Table] Describes the entity's business. Initial public offering Initial Public Offering [Abstract] Represents the number of shares sold by the entity's stockholders during the period in conjunction with a public offering. Common Stock Shares Sold by Stockholders Public offering of common stock held by selling stockholders (in shares) Stock Issuance Underwriting Discounts and Commissions Underwriting discounts and commissions on public offering Amount of underwriting discounts and commissions related to initial public offering. Warrants Exercisable into Convertible Preferred Stock [Abstract] Warrants exercisable into convertible preferred stock Unbilled Platform Service Arrangements Current Unbilled platform service arrangements, current Current portion of unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. Unbilled Access Fees Non Current Unbilled access fees The amount due for unbilled access fees recognized in conformity with revenue recognition criteria. Unbilled platform service arrangements Non-current portion of unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. Unbilled Platform Service Arrangements Noncurrent Schedule of Property, Plant and Equipment Components [Table Text Block] Schedule of property and equipment Tabular disclosure of the components of property, plant and equipment. Details pertaining to software and equipment acquired under capital lease. Software and Equipment [Member] Software and equipment Operating Leases and Airport Guarantees Future Minimum Payments Due in Four Years Amount of required minimum rental payments maturing in the fourth fiscal year following the latest fiscal year for operating leases and airport guarantees having an initial or remaining non-cancelable letter-term in excess of one year. 2016 Operating Leases and Airport Guarantees Future Minimum Payments Due in Three Years Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for operating leases and airport guarantees having an initial or remaining non-cancelable letter-term in excess of one year. 2015 Operating Leases and Airport Guarantees Future Minimum Payments Due in Two Years Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases and airport guarantees having an initial or remaining non-cancelable letter-term in excess of one year. 2014 Operating Leases and Airport Guarantees Future Minimum Payments Due Thereafter Amount of required minimum rental payments maturing after the fifth fiscal year following the latest fiscal year for operating leases and airport guarantees having an initial or remaining non-cancelable letter-term in excess of one year. Thereafter Plan 2001 [Member] 2001 Plan Represents the information pertaining to plan 2001 of the entity. 2011 Plan Represents the information pertaining to plan 2011 of the entity. Plan 2011 [Member] Rent Expense for Leases from Governmental Authorities Represents the rent expenses related to leases from governmental authorities. Rent expense for leases from governmental authorities Tabular disclosure of future minimum lease obligations under the non-cancellable operating and capital leases as of the date of the latest balance sheet presented, in aggregate and for each of the five succeeding fiscal years. Schedule of future minimum lease obligations under non-cancellable operating and capital leases Schedule of Future Minimum Lease Obligations under Non Cancellable Operating and Capital Leases [Table Text Block] Schedule of Shares of Common Stock Reserved [Table Text Block] Tabular disclosure of shares of common stock reserved. Schedule of amount of shares of common stock reserved Represents information related to the deemed fair value of restricted common stock. Restricted common stock at deemed fair value (in dollars per share) Stock Issued During Period Shares Restricted Stock Award Deemed Fair Value Temporary Equity Conversion Price Per Share Amount to be paid per share that is classified as temporary equity by the entity upon conversion. Conversion price (in dollars per share) Temporary Equity Multiplier for Number of Shares Converted Represents information related to convertible preferred stock multiplier for number of shares converted. Multiplier for number of shares converted (in dollars per share) Treasury Stock [Abstract] Treasury stock Entity Well-known Seasoned Issuer Valuation Allowance [Roll Forward] Changes in the valuation allowance Entity Voluntary Filers Valuation Allowance Deferred Tax Asset Decrease Decrease credited to operations The amount of the decrease in the period in the valuation allowance for a specified deferred tax asset. Entity Current Reporting Status Allocated Share Based Compensation Expense for Non Employees Stock-based compensation expense recognized for non-employee Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with non-employees. Entity Filer Category Operating Agreement Initial Term Initial term of Detroit Operating Agreement Represents the information related to initial term of Operating Agreement or limited liability company agreement. Entity Public Float Operating Agreement Optional Extended Term Optional extension period of Detroit Operating Agreement Represents information related to optional extension period of Operating Agreement or limited liability company agreement. Entity Registrant Name Represents the amount of annual fixed distribution per year under Operating Agreement or limited liability company agreement. Operating Agreement Annual Fixed Distribution Amount of annual fixed distribution per year under Detroit Operating Agreement Entity Central Index Key Amortization of Goodwill and Other Intangible Assets Net During Period Amortization The aggregate expense charged against earnings to allocate the cost of intangible assets including goodwill in a systematic and rational manner to the periods expected to benefit from such assets. Proceeds from Issuance Initial Public Offering, Net The net cash inflow associated with the amount received from the entity's first offering of stock to the public after deducting underwriting discounts, commissions and offering expenses. Proceeds from initial public offering after deducting underwriting discount, commission and offering expenses Number of groups of affiliated entities Represents the number of groups of affiliated entities. Number of Groups of Affiliated Entities Chief Executive Officer and Non Executive [Member] Executive and non executive personnel Highest ranking executive officer, who has ultimate managerial responsibility for the entity and who reports to the board of directors and member of the board of directors of a company who does not form part of the executive management team. Executive and non executive Entity Common Stock, Shares Outstanding Represents an advertiser relationship that exists between the entity and advertisers. Advertiser relationships Advertiser Relationships [Member] Number of fractional shares settled in cash for common and preferred stockholders Represents the number of fractional shares settled in cash for common and preferred stockholders as the result of a reverse stock split. Reverse Stock Split Number of Fractional Shares Settled in Cash Significant obligations related to the earned fees and collection of the related receivable Amount of significant obligations related to the earned fees and collection of the related receivable of the entity. Significant Obligations Related to Earned Fees and Collection Capitalized advertising production costs Amount of advertising production costs capitalized during the period. Advertising Production Costs Capitalized Number of dividend payouts anticipated in the foreseeable future Represents the number of dividend payouts anticipated in the foreseeable future. Number of Dividend Payouts Anticipated in Foreseeable Future Convertible preferred stock Convertible Preferred Stock [Abstract] Business Acquisition [Abstract] Business combinations Revenue Share [Policy Text Block] Disclosure of accounting policy for revenue sharing. Revenue Share Unrecognized Tax Benefits Related to Reduction to Deferred Tax Assets Uncertain tax positions, reduction to deferred tax assets Represents the amount of uncertain tax positions, which is a reduction to deferred tax assets that is presented as net of uncertain tax positions in the accompanying consolidated balance sheets. Impact of Reclassification on Net Income Impact of reclassification had on net income Represents the amount of reclassification adjustment that impacted the income statement during the period. Impact of Reclassification on Stockholders Equity Impact of reclassification had on stockholders' equity Represents the amount of reclassification adjustment that impacted the stockholders' equity during the period. Increased net income attributable to common stockholders Represents the amount of increased net income attributable to common stockholders recorded during the period. Increase (Decrease) in Net Income (Loss) Available to Common Stockholders Basic Patents Trademarks and Domain Subject to Amortization [Member] Patents, trademarks and other Represents the exclusive legal right granted by the government to the owner of the patent to exploit an invention or a process for a period of time specified by law and the rights acquired through registration of a trademark to gain or protect exclusive use of a business name, symbol or other device or style. It also includes domain which is subject to amortizations. Affiliated Entity Group One [Member] Affiliated entities group one Represents information pertaining to affiliated entities group one. Affiliated Entity Group Two [Member] Affiliated entities group two Represents information pertaining to affiliated entities group two. Affiliated Entity Group Three [Member] Affiliated entities group three Represents information pertaining to affiliated entities group three. Period of Cumulative Results for Determination of Releasing Valuation Allowance Period of cumulative results for determination of releasing valuation allowance Represents the period of cumulative results for determination of releasing valuation allowance. Document Fiscal Year Focus Offering expenses on public offering Stock Issuance Costs The cash and noncash outflow for cost incurred directly with the issuance of an equity security. Document Fiscal Period Focus Contingent Consideration Arrangement [Member] Contingent consideration Represents information pertaining to the contingent consideration arrangement. Fair value of contingent consideration Intangible Assets [Member] Identifiable intangible assets Represents the identifiable intangible assets of the entity. Customer Contracts and Customer Relationships [Member] Existing customer contracts and relationships Represents the entity's established relationships with its customers through contracts and customer relationship that exists between the entity and its customer, for example, but not limited to, tenant relationships. Non Compete Agreement [Member] Non-compete agreement Represents the non-compete agreement of the entity. Royalty Rates Royalty rates (as a percent) Represents the percentage of royalty rates. Boingo Holding Participacoes Ltda [Member] Boingo Holding Participacoes Ltda. Represents information pertaining to Boingo Holding Participacoes Ltda. Represents the vesting rights percentage when the individual completes a specified period of continuous service under the compensation plan. Share Based Compensation Arrangement by Share Based Payment Award, Award Vesting Rights Percentage upon Individual Completes Specified Months of Continuous Service Vesting percentage when the individual completes 12 months of continuous service Share Based Compensation Arrangement by Share Based Payment Award, Award Vesting Rights Percentage on Quarterly Basis Vesting percentage on a quarterly basis Represents the vesting rights percentage on a quarterly basis under the compensation plan. Share Based Compensation Arrangement by Share Based Payment Award, Award Continuous Service Period of Individual Continuous service period of individual Represents the continuous service period of an individual that is required for vesting a specified percentage of awards. Net income after adjustments for dividends on common stock (declared in the period) and/or cumulative common stock (accumulated for the period), used for calculating basic and diluted earnings per share. Net income (loss) attributable to common stockholders, basic and diluted Net Income (Loss) Available to Common Stockholders Basic and Diluted Business Acquisition, Cost of Acquired Entity, Holdback Consideration Holdback consideration Represents the amount of holdback consideration to acquire the entity. Legal Entity [Axis] Business Acquisition, Purchase Price Allocation, Other Current Assets Other current assets The amount of acquisition cost of a business combination allocated to other current assets. Document Type Represents the cash outflow related to payments of acquired notes and financing liabilities. Repayments of Acquired Notes and Financing Liabilities Payments of acquired notes payable and financed liabilities Summary of significant accounting policies Schedule of Recognized Identified Assets Acquired and Liabilities Assumed Including Intangible Assets [Table Text Block] Tabular disclosure of the amounts recognized as of the acquisition date for each major class of asset acquired and liability assumed including intangible assets. Schedule of recognized amounts of identifiable assets acquired and liabilities assumed including intangible assets Amount of Common Stock Approved by Entity for Stock Repurchase Program The amount of common stock approved by the entity for a stock repurchase program in the open market, exclusive of any commissions, markups or expenses. Amount of common stock approved by the entity for a stock repurchase program Average price under the stock repurchase program (in dollars per share) Represents the average repurchase price per share of the shares that were repurchased during the current period. Stock Repurchase Program Average Repurchase Price Stock Repurchased During Period Value Excluding Commissions Paid Value of shares repurchased and retired under the stock repurchase program excluding commissions paid Equity impact of the value of stock excluding commissions paid that has been repurchased during the period and has not been retired and is not held in treasury. Payments for Repurchase and Retirement of Common Stock Repurchase and retirement of common stock Represents the cash outflow for repurchase and retirement of common stock during the period. Basis of Presentation [Abstract] Basis of presentation Decrease in Net Income (Loss) due to Out of Period Adjustments Decrease in net loss attributable to common stockholders due to certain out-of-period adjustments Represents the amount of decrease in net loss attributable to common stockholders due to certain out-of-period adjustments. Schedule of Property, Plant and Equipment, Useful Life [Table Text Block] Tabular disclosure of the useful life of property, plant and equipment. Schedule of depreciation and amortization computed using the straight-line method over the estimated useful lives of assets An arrangement whereby an employee or non-employee is entitled to receive in the future, subject to vesting and other restrictions, a number of shares in the entity at a specified price, as defined in the agreement. Although there are variations, normally, after vesting, when an option is exercised, the employee-holder pays the strike value in cash to the issuing employer-entity and receives equity shares. The equity shares can be sold into the market for cash at the current market price without restriction. Employee and Nonemployee Stock Option [Member] Options to purchase common stock Business Description [Line Items] The business Number of small cell networks for cellular distributed antenna system Represents the number of small cell networks for cellular distributed antenna system. Number of Small Cell Networks for Cellular Distributed Antenna System Employee [Member] Employee Represents information pertaining to the employee of the entity. New Directors [Member] New members Represents information pertaining to the new persons serving on the board of directors (who collectively have responsibility for governing the entity). Incremental Common Shares Attributable to Stock Options Dilutive effect of stock options (in shares) Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of stock options using the treasury stock method. Incremental Common Shares Attributable to Restricted Stock Units Dilutive effect of RSUs (in shares) Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of restricted stock units using the treasury stock method. Advanced Wireless Group LLC [Member] AWG Represents information pertaining to Advanced Wireless Group, LLC. Accrued expenses and other liabilities Accounts Payable and Accrued Liabilities Disclosure [Text Block] Number of Airports Where Acquired Entity Operates Public WiFi Number of U.S. airports where the acquired entity operates public Wi-Fi Represents the number of airports where the acquired entity operates public Wi-Fi. Minority Interest Beneficial Ownership by Parent Amount of beneficial ownership of members' interests Represents the amount of beneficial ownership of members' interests in another entity or trust. Accounts receivable, net Accounts Receivable, Net, Current Accounts payable Accounts Payable, Current Total accounts receivable Accounts Receivable [Member] Accrued taxes Accrued Income Taxes, Current Salaries and wages Accrued Salaries, Current Total accrued expenses and other liabilities Accrued expenses and other liabilities Accrued Liabilities, Current Less: accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Estimated Useful Life Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Additional paid-in capital Additional Paid in Capital, Common Stock Additional Paid-in Capital Additional Paid-in Capital [Member] Accretion of convertible preferred stock Adjustments to Additional Paid in Capital, Increase in Carrying Amount of Redeemable Preferred Stock Adjustments to reconcile net (loss) income including non-controlling interests to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Stock-based compensation expense Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Excess tax benefits from stock-based compensation Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation Offering costs Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Advertising expenses Advertising Expense Affiliated entities Affiliated Entity [Member] Total stock-based compensation Allocated Share-based Compensation Expense Accounts receivable, allowances (in dollars) Allowance for Doubtful Accounts Receivable, Current Allowance for doubtful accounts Allowance for Doubtful Accounts Receivable [Roll Forward] Deductions from reserves, net Allowance for Doubtful Accounts Receivable, Write-offs Balance at the beginning of the period Balance at the end of the period Allowance for Doubtful Accounts Receivable Amortization of intangible assets Amortization expense Amortization Amortization of Intangible Assets Accretion of convertible preferred stock (in dollars) Dilutive Securities, Effect on Basic Earnings Per Share, ESOP Convertible Preferred Stock Antidilutive Securities [Axis] Anti-dilutive securities Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities, Name [Domain] Anti-dilutive securities excluded from the computation of diluted net income per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Assets: Assets, Fair Value Disclosure [Abstract] Total assets Assets Total assets Assets Current assets: Assets, Current [Abstract] Assets Assets [Abstract] Total current assets Total current assets Assets, Current Total assets Assets, Fair Value Disclosure Short-term marketable securities-available-for-sale: Available-for-sale Securities, Current [Abstract] Marketable securities Available-for-sale Securities Total short-term marketable securities Marketable securities Short-term marketable securities Available-for-sale Securities, Current Long-term marketable securities Total long-term marketable securities Marketable securities Available-for-sale Securities, Noncurrent Basis of presentation Basis of Accounting, Policy [Policy Text Block] Accounts payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Notes payable and financed liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt Deferred tax liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent Business Acquisition [Axis] Fair value of acquired assets and liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Cash Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Minority Interest Beneficial Ownership by Parent Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Contingent consideration Contingent consideration Business Combination, Contingent Consideration, Liability Net tangible liabilities acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities The business Acquisition Business Acquisition [Line Items] Other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Business Acquisition, Acquiree [Domain] Estimated Fair Value Acquisition Transaction costs associated with business combinations Transaction costs Business Acquisition, Transaction Costs Total consideration Total purchase price Business Combination, Consideration Transferred Other current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other Acquisition Business Combination Disclosure [Text Block] Business combinations Business Combinations Policy [Policy Text Block] Estimated Fair Value Business Combination, Consideration Transferred [Abstract] Property and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Intangibles Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Transaction costs associated with business combinations Business Combination, Acquisition Related Costs Recognized amounts of identifiable assets acquired and liabilities assumed: Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] 2014 Capital Leases, Future Minimum Payments Due in Two Years Capital leases minimum lease payments Capital Leases, Future Minimum Payments Due Property and equipment and software maintenance costs in accounts payable, accrued expenses and other liabilities Capital Expenditures Incurred but Not yet Paid 2015 Capital Leases, Future Minimum Payments Due in Three Years 2016 Capital Leases, Future Minimum Payments Due in Four Years Capital Leases Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] Acquisition of software, equipment and software maintenance services under capital leases Capital Lease Obligations Incurred 2013 Capital Leases, Future Minimum Payments Due, Next Twelve Months Short-term restricted cash related to letters of credit Cash Collateral for Borrowed Securities Cash Cash Restricted cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Cash and cash equivalents: Cash and Cash Equivalents, at Carrying Value [Abstract] Total cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Cash and cash equivalents Cash, Cash Equivalents, and Marketable Securities [Text Block] Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Cash and cash equivalents Supplemental disclosure of non-cash investing and financing activities Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Preferred stock warrants outstanding (in shares) Common stock warrants outstanding (in shares) Class of Warrant or Right, Outstanding Class of Treasury Stock [Table] Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Class of Stock [Domain] Commitments and contingencies Commitments and contingencies (Note 9) Commitments and Contingencies. Commitments and contingencies Commitments and Contingencies Disclosure [Text Block] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common Stock Common Stock [Member] Common stock, shares issued Common Stock, Shares, Issued Dividends declared on common stock (in dollars per share) Common Stock, Dividends, Per Share, Declared Common stock, $0.0001 par value; 100,000 shares authorized; 35,495 and 35,483 shares issued and outstanding at September 30, 2013 and December 31, 2012, respectively Common Stock, Value, Outstanding Common stock, shares authorized Common stock authorized (in shares) Common Stock, Shares Authorized Total (in shares) Common Stock, Capital Shares Reserved for Future Issuance Dividends paid on common stock (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Common stock, shares outstanding Common Stock, Shares, Outstanding Employee benefit plan Computer equipment Computer Equipment [Member] Concentrations of credit risk Concentration Risk [Line Items] Concentration Risk Benchmark [Domain] Concentrations of credit risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Concentration Risk [Table] Concentration Risk Benchmark [Axis] Concentration risk percentage Concentration Risk, Percentage Principles of consolidation Consolidation, Policy [Policy Text Block] Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table] Principles of consolidation Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] Construction in progress Construction in Progress [Member] Accrued for construction-in-progress Construction Payable, Current Contingent consideration Contingent Consideration Classified as Equity, Fair Value Disclosure Conversion of convertible preferred stock into common stock Conversion of Stock, Amount Issued Total Convertible Preferred Stock Convertible preferred stocks Convertible Preferred Stock [Member] Convertible preferred stock conversion ratio Convertible Preferred Stock, Shares Issued upon Conversion Costs and operating expenses: Costs and Expenses [Abstract] Total costs and operating expenses Costs and Expenses Current Current State and Local Tax Expense (Benefit) Current Current Federal Tax Expense (Benefit) Deferred tax assets: Deferred Tax Assets, Net of Valuation Allowance [Abstract] Deferred tax liabilities: Deferred Tax Liabilities, Net [Abstract] State taxes Deferred Tax Assets, State Taxes Net deferred tax liabilities Deferred Tax Liabilities, Gross Deferred Deferred Federal Income Tax Expense (Benefit) Change in deferred taxes Change in deferred income taxes Deferred Income Tax Expense (Benefit) Deferred Deferred State and Local Income Tax Expense (Benefit) Net deferred taxes Deferred Tax Assets, Net Deferred tax assets Deferred tax assets, non-current Deferred Tax Assets, Net, Noncurrent Deferred tax assets Deferred tax assets-current Deferred Tax Assets, Net, Current Deferred revenue Deferred Revenue, Current Deferred revenue Deferred Tax Assets, Deferred Income Deferred revenue, net of current portion Deferred Revenue, Noncurrent Deferred rent Deferred Rent Credit, Current Stock options Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Other Deferred Tax Assets, Other Deferred tax assets Net deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Deferred compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits Foreign subsidiary deferred tax asset Deferred Tax Assets, Operating Loss Carryforwards, Foreign Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Valuation allowance Balance at the beginning of the period Balance at the end of the period Deferred Tax Assets, Valuation Allowance Property and equipment Deferred Tax Liabilities, Property, Plant and Equipment Intangible assets 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of the period Goodwill Goodwill and intangible assets Goodwill and Intangible Assets Disclosure [Text Block] Changes in carrying amount of goodwill Goodwill [Roll Forward] Goodwill and intangible assets Additions Goodwill, Acquired During Period Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Long-lived assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Condensed Consolidated Statements of Operations Income (loss) before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Income Statement Location [Axis] Income taxes Income Tax Authority [Domain] Income Tax Authority [Axis] Income taxes Income Tax Disclosure [Text Block] Income Statement Location [Domain] Income tax expense (benefit) Income Tax Expense (Benefit) Income tax (benefit) expense Income taxes by jurisdiction Income Tax Expense (Benefit), Continuing Operations, by 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Incremental Common Shares Attributable to Dilutive Effect of Conversion of Preferred Stock Balance at the end of the period Balance at the beginning of the period Intangible Assets, Net (Including Goodwill) Interest expense associated with the capital leases Interest Expense, Lessee, Assets under Capital Lease Cash paid for interest Interest Paid Software development costs Internal Use Software, Policy [Policy Text Block] Federal Internal Revenue Service (IRS) [Member] Interest income Investment Income, Interest Rent expense for leases of office facilities Operating Leases, Rent Expense Leasehold improvements Leasehold Improvements [Member] Total current liabilities Total current liabilities Liabilities, Current Total liabilities and stockholders' equity Total liabilities, convertible preferred stock and stockholders' equity (deficit) Total liabilities and stockholders' equity Liabilities and Equity Liabilities assumed in business acquisition Liabilities Assumed Current liabilities: 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distributions Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Noncontrolling Interest [Table] Percentage of ownership in subsidiaries Noncontrolling Interest, Ownership Percentage by Parent Non-controlling interests Non-controlling owners capital account amount Stockholders' Equity Attributable to Noncontrolling Interest Percentage of net profits less capital expenditures of the preceding year allocated to non-controlling interest holders Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners Money market accounts Money Market Funds, at Carrying Value Customer [Domain] Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Net decrease in cash and cash equivalents Net Cash Provided by (Used in) Continuing Operations Net income (loss) attributable to common stockholders Net (loss) income attributable to common stockholders Net income (loss) attributable to common stockholders, basic (in dollars) Net Income (Loss) Available to Common Stockholders, Basic Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities, Continuing Operations Numerator: Net Income (Loss) Attributable to Parent [Abstract] Net income attributable to common stockholders, diluted Net income attributable to common stockholders, diluted Net Income (Loss) Available to Common Stockholders, Diluted Net cash (used in) provided by financing activities Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Net income attributable to non-controlling interests Net Income (Loss) Attributable to Noncontrolling Interest Recent accounting pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Interest and other (expense) income, net Nonoperating Income (Expense) Number of operating segments Number of Operating Segments Number of reportable segments Number of Reportable Segments Non-controlling Interests Noncontrolling Interest [Member] Office equipment Office Equipment [Member] Sublease income included in rent expenses Operating Leases, Rent Expense, Sublease Rentals Income (loss) from operations Income from operations Operating Income (Loss) Operating Loss Carryforwards [Table] Net operating loss carryforwards Operating Loss Carryforwards [Line Items] Amount of net operating loss carryforwards Operating Loss Carryforwards The business The business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Summary of significant accounting policies Organization, 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holders Payments to Noncontrolling Interests Employee benefit plan Pension and Other Postretirement Benefits Disclosure [Text Block] Plan Name [Domain] Plan Name [Axis] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, $0.0001 par value; 5,000 shares authorized; no shares issued and outstanding Preferred Stock, Value, Issued Preferred stock, shares issued Preferred stock issued (in shares) Preferred Stock, Shares Issued Preferred stock, shares authorized Preferred Stock, Shares Authorized Cumulative dividends per annum on preferred stock (in dollars per share) Preferred Stock, Dividend Rate, Per-Dollar-Amount Preferred stock, shares outstanding Preferred stock outstanding (in shares) Preferred Stock, Shares Outstanding Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Reclassification from other assets to intangible assets Prior Period Reclassification Adjustment Reclassifications Reclassification, Policy [Policy Text Block] Proceeds from issuance of common stock upon initial public offering Proceeds from Issuance Initial Public Offering Proceeds from exercise of stock options Cash proceeds from exercise of stock option Proceeds from Stock Options Exercised Proceeds from sales of marketable securities Proceeds from Sale and Maturity of Marketable Securities Cash proceeds from restricted common stock granted Proceeds from Stock Plans Products and Services [Axis] Net income (loss) Net (loss) income Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Estimated useful lives Property, Plant and Equipment, Useful Life Total property and equipment Property, Plant and Equipment, Gross Property and equipment Property, Plant and Equipment, Policy [Policy Text Block] Property and equipment, net Total property and equipment, net Property, Plant and Equipment, Net Property and equipment Schedule of property and equipment Schedule of 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Net Total revenue Sales [Member] Summary of the preliminary purchase price allocation Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Schedule of allowance for doubtful accounts Schedule of Credit Losses for Financing Receivables, Current [Table Text Block] Schedule of financial assets and financial liabilities that are measured at fair value on a recurring basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of stock-based awards not included in computation of diluted net income per share