Leases - Supplemental Cash Flow (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ 4,191	$ 4,030
Operating cash flows from finance leases	56	39
Financing cash flows from finance leases	288	169
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	165	2,574
Finance leases	$ 1,241	$ 483