Property and equipment - Other Property and Equipment Information (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2022 |
Jun. 30, 2021 |
Jun. 30, 2022 |
Jun. 30, 2021 |
|
Property, Plant and Equipment [Abstract] | ||||
Capitalized employee-related costs | $ 4,366 | $ 4,848 | $ 8,709 | $ 9,089 |