Leases - Maturities Of Operating Lease Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Lessee, Operating Lease, Liability, Payment, Due, Rolling Maturity [Abstract]
Less than one year	$ 67,825	$ 64,666
One to two years	59,422	61,212
Two to three years	37,048	46,197
Three to four years	35,901	36,159
Four to five years	13,146	27,203
Over five years	2,422	5,824
Total lease payments	215,764	241,261
Less: imputed interest	(28,922)	(35,661)
Total operating lease liabilities	186,842	205,600
Current operating lease liabilities	55,667	50,914
Non-current operating lease liabilities	131,175	154,686
Vessels
Lessee, Operating Lease, Liability, Payment, Due, Rolling Maturity [Abstract]
Less than one year	61,103	58,063
One to two years	54,287	55,515
Two to three years	35,941	43,400
Three to four years	34,893	35,200
Four to five years	12,138	26,244
Over five years		3,041
Total lease payments	198,362	221,463
Less: imputed interest	(26,707)	(32,986)
Total operating lease liabilities	171,655	188,477
Current operating lease liabilities	49,597	45,131
Non-current operating lease liabilities	122,058	143,346
Facilities and Equipment
Lessee, Operating Lease, Liability, Payment, Due, Rolling Maturity [Abstract]
Less than one year	6,722	6,603
One to two years	5,135	5,697
Two to three years	1,107	2,797
Three to four years	1,008	959
Four to five years	1,008	959
Over five years	2,422	2,783
Total lease payments	17,402	19,798
Less: imputed interest	(2,215)	(2,675)
Total operating lease liabilities	15,187	17,123
Current operating lease liabilities	6,070	5,783
Non-current operating lease liabilities	$ 9,117	$ 11,340