Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Finance lease cost:
Interest on lease liabilities	$ 1,255	$ 1,283	$ 1,189
Total finance lease cost	2,353	2,246	2,511
Total lease cost	80,112	72,613	72,862
DS&A Expenses
Lessee, Lease, Description [Line Items]
Operating lease cost	59,397	53,675	53,588
Finance lease cost:
Amortization of lease assets	1,098	963	1,322
Short-term lease cost	871	1,081	348
Variable lease cost	$ 17,491	$ 15,611	$ 16,415