Leases - Supplemental Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating cash flows for operating leases	$ 6,262	$ 6,887
Operating cash flows for finance leases	548	362
Financing cash flows for finance leases	3,619	2,906
ROU assets obtained in exchange for new operating lease liabilities	7,829	25,743
ROU assets obtained in exchange for new financing lease liabilities	$ 11,270	$ 1,021