Leases - Leases Cash Flow (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Leases [Abstract]
Operating cash flows from operating leases	$ 8,381	$ 11,177
Operating cash flows from finance leases	439	380
Financing cash flows from finance leases	159	172
Right-of-use asset obtained in exchange for operating leases	$ 707	$ 16,021