Leases - Schedule of Finance lease liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
External leases:
Finance lease liabilities	$ 231,158	$ 251,658
Less current portion of finance lease liabilities	(20,804)	(21,903)
Carrying value of long-term lease liabilities	210,354	229,755
Related party leases:
Finance lease liabilities	0	226,619
Less current portion of finance lease liabilities	0	(15,627)
Finance lease liabilities - related party	$ 0	$ 210,992