Leases - Summary of Lease Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Finance lease cost:
Amortization of right-of-use asset	$ 180	$ 150
Interest expense on lease liability	133	113
Total finance lease cost	313	263
Operating lease cost	2,061	2,077
Short-term and equipment lease costs	40	55
Sublease income	(21)	(24)
Total lease costs	$ 2,393	$ 2,371