Leases - Right-Of-Use Assets and Lease Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Right-of-use ("ROU") assets:
Operating lease right-of-use assets	$ 110,465	$ 129,506
Finance lease right-of-use assets	31,962	5,423
Equipment and other fixed assets, net	0	103
Total ROU assets	142,427	135,032
Operating lease liabilities:
Current operating lease liabilities	29,270	30,001
Noncurrent operating lease liabilities	85,529	104,394
Total operating lease liabilities	114,799	134,395
Finance lease liabilities:
Current portion of finance lease obligations	9,122	2,211
Finance lease obligations, less current portion	22,746	3,950
Total finance lease liabilities	31,868	6,161
Operating lease costs	38,365	37,822	$ 37,043
Reduction of ROU assets	5,761	8,246	33,689
Finance lease costs:
Interest on lease liabilities	1,058	0	0
Other lease costs and income:
Variable lease costs	20,769	17,758	14,030
Sublease income	$ 1,427	$ 1,380	$ 1,239