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Summary of significant accounting policies (Details)
Mar. 31, 2015
Concourse Communications Detroit, LLC  
Principles of consolidation  
Percentage of ownership in subsidiaries 70.00%us-gaap_MinorityInterestOwnershipPercentageByParent
/ dei_LegalEntityAxis
= wifi_ConcourseCommunicationsDetroitLLCMember
Chicago Concourse Development Group, LLC  
Principles of consolidation  
Percentage of ownership in subsidiaries 70.00%us-gaap_MinorityInterestOwnershipPercentageByParent
/ dei_LegalEntityAxis
= wifi_ChicagoConcourseDevelopmentGroupLLCMember
Boingo Holding Participacoes Ltda.  
Principles of consolidation  
Percentage of ownership in subsidiaries 75.00%us-gaap_MinorityInterestOwnershipPercentageByParent
/ dei_LegalEntityAxis
= wifi_BoingoHoldingParticipacoesLtdaMember