Leases - Supplemental Noncash Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Leases [Abstract]
Operating cash flows from operating leases	$ 20,682	$ 97,903
Operating cash flows from finance leases	1,769	3,754
Financing cash flows from finance leases	$ 15,058	$ 13,291