v3.8.0.1

Summary of significant accounting policies - Principles of consolidation (Details) | Mar. 31, 2018
--- | ---
Chicago Concourse Development Group, LLC |
Principles of consolidation |
Percentage of ownership in subsidiaries | 70.00%
Boingo Holding Participacoes Ltda. |
Principles of consolidation |
Percentage of ownership in subsidiaries | 75.00%

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestEffectsOfChangesNetLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_OwnershipAxis=wifi_ChicagoConcourseDevelopmentGroupLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OwnershipAxis=wifi_BoingoHoldingParticipacoesLtdaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |