Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ 35,943	$ 34,380
Operating cash flows from finance leases	146	192
Financing cash flows from finance leases	$ 612	$ 492