Leases - Components of Lease Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease costs	$ 2,719	$ 1,597
Amortization expense related to right-of-use assets	716	385
Interest expense for financing lease liabilities	121	46
Variable lease costs	621	340
Total lease costs	$ 4,177	$ 2,368