Other non-current assets (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Other non-current assets
Right-of-use assets	$ 128,796	$ 114,414
Tax receivable	10,747	10,289
Loans receivable	817
Deferred debt issue costs	5,147	5,236
Other	12,367	12,565
Other non-current assets	$ 157,874	$ 142,504