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Components of total lease cost (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Lessee Disclosure [Abstract]    
Operating lease cost $ 10,174 $ 12,825
Short-term lease cost 175,098 145,052
Variable lease cost 7,085 48,931
Total lease cost 192,357 206,808
Operating cash flows from operating leases 4,718 11,286
Investing cash flows from operating leases $ 5,042 $ 2,316