Leases - Leases Cash Flow (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Leases [Abstract]
Operating cash flows from operating leases	$ 14,980	$ 18,664
Operating cash flows from finance leases	876	749
Financing cash flows from finance leases	316	344
Right-of-use asset obtained in exchange for operating leases	$ 50,856	$ 17,197