v3.20.4

Commitments and contingencies - Legal proceedings (Details) - Suit for damages $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 USD ($) location
Commitments and contingencies |
Number of venues under suit | location | 1
Payment for losses | $ | $ 1,100

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_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cash outflow reducing loss contingency liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyAccrualPayments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Number of venues under suit for damages after change of service + References No definition available. + Details
Name: | wifi_NumberOfVenueUnderSuit
Namespace Prefix: | wifi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_LitigationCaseAxis=wifi_BrazilianCompanySuitForDamagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |