Leases - Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Leases:
Total lease cost	$ 113,693	$ 102,006	$ 97,065
Vehicle rents and General and other operating
Leases:
Operating lease cost	109,392	95,540	86,847
Short-term lease cost	2,286	4,260	7,949
Depreciation and amortization
Leases:
Amortization of finance lease assets	1,570	1,696	1,751
Interest expense
Leases:
Interest on lease liabilities	$ 445	$ 510	$ 518