Leases - Summary of Lease Cost and Cash Flow Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Lease Cost
Operating lease cost	$ 12,585	$ 12,036	$ 11,585
Short-term Lease, Cost	11,219	8,055	12,975
Finance Lease Cost:
Amortization of leased assets	21,685,000	23,921,000	21,293,000
Finance Lease, Interest Expense	4,632,000	3,634,000	4,150,000
Total finance lease cost	26,317,000	27,555,000	25,443,000
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	24,009	21,348	24,560
Financing cash flows from finance leases	$ 31,544,000	$ 25,984,000	$ 25,975,000