Leases - Maturities Of Operating Lease Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Lessee, Operating Lease, Liability, Payment, Due, Rolling Maturity [Abstract]
Less than one year	$ 73,531	$ 64,666
One to two years	63,783	61,212
Two to three years	39,022	46,197
Three to four years	31,537	36,159
Four to five years	8,558	27,203
Over five years	2,086	5,824
Total lease payments	218,517	241,261
Less: imputed interest	(27,871)	(35,661)
Total operating lease liabilities	190,646	205,600
Current operating lease liabilities	61,191	50,914
Non-current operating lease liabilities	129,455	154,686
Vessels
Lessee, Operating Lease, Liability, Payment, Due, Rolling Maturity [Abstract]
Less than one year	66,794	58,063
One to two years	59,599	55,515
Two to three years	37,944	43,400
Three to four years	30,569	35,200
Four to five years	7,590	26,244
Over five years		3,041
Total lease payments	202,496	221,463
Less: imputed interest	(25,896)	(32,986)
Total operating lease liabilities	176,600	188,477
Current operating lease liabilities	55,049	45,131
Non-current operating lease liabilities	121,551	143,346
Facilities and Equipment
Lessee, Operating Lease, Liability, Payment, Due, Rolling Maturity [Abstract]
Less than one year	6,737	6,603
One to two years	4,184	5,697
Two to three years	1,078	2,797
Three to four years	968	959
Four to five years	968	959
Over five years	2,086	2,783
Total lease payments	16,021	19,798
Less: imputed interest	(1,975)	(2,675)
Total operating lease liabilities	14,046	17,123
Current operating lease liabilities	6,142	5,783
Non-current operating lease liabilities	$ 7,904	$ 11,340