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Commitments and contingencies (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Commitments and contingencies | |||
| Rent expense for leases | $ 29,434wifi_RentExpenseForLeasesFromGovernmentalAuthorities | $ 20,234wifi_RentExpenseForLeasesFromGovernmentalAuthorities | $ 16,760wifi_RentExpenseForLeasesFromGovernmentalAuthorities |
| Interest expense associated with the capital leases | 33us-gaap_InterestExpenseLesseeAssetsUnderCapitalLease | 15us-gaap_InterestExpenseLesseeAssetsUnderCapitalLease | 11us-gaap_InterestExpenseLesseeAssetsUnderCapitalLease |
| Rent expense for leases of office facilities | 1,621us-gaap_LeaseAndRentalExpense | 1,227us-gaap_LeaseAndRentalExpense | 1,209us-gaap_LeaseAndRentalExpense |
| Sublease income included in rent expenses | 27us-gaap_OperatingLeasesRentExpenseSubleaseRentals1 | 54us-gaap_OperatingLeasesRentExpenseSubleaseRentals1 | 52us-gaap_OperatingLeasesRentExpenseSubleaseRentals1 |
| Capital Leases | |||
| 2015 | 331us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent | ||
| 2016 | 259us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears | ||
| 2017 | 132us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears | ||
| 2018 | 26us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears | ||
| Minimum lease payments | 748us-gaap_CapitalLeasesFutureMinimumPaymentsDue | ||
| Less: Amounts representing interest ranging from 3.1% to 11.1% | (58)us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments | ||
| Capital leases minimum lease payments | 690us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments | ||
| Current portion | 309us-gaap_CapitalLeaseObligationsCurrent | 526us-gaap_CapitalLeaseObligationsCurrent | |
| Non-current portion | 381us-gaap_CapitalLeaseObligationsNoncurrent | 473us-gaap_CapitalLeaseObligationsNoncurrent | |
| Operating Leases and Airport Guarantees | |||
| 2015 | 10,038wifi_OperatingLeasesAndAirportGuaranteesFutureMinimumPaymentsDueCurrent | ||
| 2016 | 9,842wifi_OperatingLeasesAndAirportGuaranteesFutureMinimumPaymentsDueInTwoYears | ||
| 2017 | 9,852wifi_OperatingLeasesAndAirportGuaranteesFutureMinimumPaymentsDueInThreeYears | ||
| 2018 | 8,821wifi_OperatingLeasesAndAirportGuaranteesFutureMinimumPaymentsDueInFourYears | ||
| 2019 | 6,035wifi_OperatingLeasesAndAirportGuaranteesFutureMinimumPaymentsDueInFiveYears | ||
| Thereafter | 33,312wifi_OperatingLeasesAndAirportGuaranteesFutureMinimumPaymentsDueThereafter | ||
| Minimum lease payments | $ 77,900wifi_OperatingLeasesAndAirportGuaranteesFutureMinimumPaymentsDue | ||
| Minimum | |||
| Capital Leases | |||
| Interest rate (as a percent) | 3.10%wifi_InterestRateLesseeAssetsUnderCapitalLease / us-gaap_RangeAxis = us-gaap_MinimumMember |
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| Maximum | |||
| Capital Leases | |||
| Interest rate (as a percent) | 11.10%wifi_InterestRateLesseeAssetsUnderCapitalLease / us-gaap_RangeAxis = us-gaap_MaximumMember |
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount of capital lease obligation due within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of minimum lease payments for capital leases. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount necessary to reduce net minimum lease payments to present value for capital leases. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The amount, during the lease term, of each minimum [capital] lease payment allocated to interest expense so as to produce a constant periodic rate of interest on the remaining balance of the capital lease obligation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. No definition available.
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| X | ||||||||||
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- Definition
The total amount of sublease rental income recognized during the period that reduces the entity's rent expense incurred under operating leases. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Represents rate of interest of minimum lease payments for capital leases before interest. No definition available.
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| X | ||||||||||
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- Definition
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. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
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. No definition available.
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| X | ||||||||||
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- Definition
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. No definition available.
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| X | ||||||||||
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- Definition
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. No definition available.
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| X | ||||||||||
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- Definition
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. No definition available.
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| X | ||||||||||
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- Definition
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. No definition available.
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| X | ||||||||||
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- Definition
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. No definition available.
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| X | ||||||||||
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- Definition
Represents the rent expenses related to leases from governmental authorities. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Details
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