Leases - (Schedule of Lease Costs) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease costs	$ 24,427	$ 24,602	$ 27,259
Short-term lease costs	95,957	87,534	70,382
Total lease cost	$ 120,384	$ 112,136	$ 97,641