Leases - Summary of Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease ROU assets	$ 70,133	$ 71,891
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other property and investments-net and other non-current assets	Other property and investments-net and other non-current assets
Operating Lease, Liability, Current	$ 4,301	$ 4,249
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesCurrent	us-gaap:OtherLiabilitiesCurrent
Operating Lease, Liability, Noncurrent	$ 66,068	$ 67,716
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent	us-gaap:OtherLiabilitiesNoncurrent
Operating Lease, Liability	$ 70,369	$ 71,965
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Liabilities	Liabilities
Finance lease ROU assets	$ 43,697	$ 47,338
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other property and investments-net and other non-current assets	Other property and investments-net and other non-current assets
Finance Lease, Liability, Current	$ 3,085	$ 2,935
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Current	Other Liabilities, Current
Finance Lease, Liability, Noncurrent	$ 45,730	$ 48,815
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Finance Lease, Liability	$ 48,815	$ 51,750
Operating leases, Weighted Average Remaining Lease Term	24 years 2 months 19 days	25 years 2 months 12 days
Finance leases, Weighted Average Remaining Lease Term	6 years 3 months 25 days	7 years 2 months 19 days
Operating leases, Weighted Average Discount Rate	4.28%	4.28%
Finance leases, Weighted Average Discount Rate	4.35%	4.62%