Lease Commitments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Lease Commitments
Right-of-use asset	$ 269,524	$ 277,554
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Lease liability - current	$ 74,232	$ 69,469
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued Liabilities, Current	Accrued Liabilities, Current
Lease liability - non-current	$ 210,110	$ 227,044
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other liabilities	Other liabilities
Total operating lease liabilities	$ 284,342	$ 296,513
Operating Lease, Liability, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilities	us-gaap:OtherLiabilities	us-gaap:OtherLiabilities
Cash paid for amounts included in the measurement of operating lease liabilities	$ 91,797	$ 88,235
Right-of-use assets obtained in exchange for operating lease obligations	$ 74,356	$ 104,210
Weighted-average remaining lease term in years	5 years	6 years
Weighted-average discount rate	4.60%	4.30%
2024	$ 83,637
2025	64,042
2026	50,696
2027	41,223
2028	33,491
Thereafter	47,675
Total lease payments	320,764
Less: imputed interest	$ (36,422)