Lease Obligations - Future Minimum Lease Commitments (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Finance Leases
2023	$ 171,000
2024	122,400
2025	85,700
2026	29,600
2027	3,500
Thereafter	600
Total minimum lease payments	412,800
Less amounts representing interest	(23,700)
Total lease obligations, net of interest	389,100
Less current portion	158,200
Long-term portion of lease obligations, net of interest	$ 230,900
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Current portion of long-term debt, including finance leases
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Long-term debt, including finance leases
Operating Leases
2023	$ 102,000
2024	79,000
2025	53,000
2026	35,000
2027	16,800
Thereafter	31,900
Total minimum lease payments	317,700
Less amounts representing interest	(27,100)
Total lease obligations, net of interest	290,600
Less current portion	96,516	$ 95,426
Long-term portion of lease obligations, net of interest	$ 194,050	$ 176,378