|
Summary of significant accounting policies (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2014
|
|
| Basis of presentation | ||
| Decrease in net loss attributable to common stockholders due to certain out-of-period adjustments | $ 217 | |
| Concourse Communications Detroit, LLC | ||
| Principles of consolidation | ||
| Percentage of ownership in subsidiaries | 70.00% | |
| 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% |