Other non-current assets (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Other non-current assets
Right-of-use assets	$ 134,219	$ 114,414
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other non-current assets	Other non-current assets
Tax receivable	$ 10,641	$ 10,289
Loans receivable	7,199
Deferred debt issue costs	4,223	5,236
Other	12,078	12,565
Other non-current assets	$ 168,360	$ 142,504