Leases - Schedule of Components of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Lease Cost
Fixed operating lease cost	$ 1,290	$ 827
Short-term lease costs	157	122
Total lease expense	1,447	949
Other information
Operating cash flows from operating leases	3,820	1,007
Leased assets obtained in exchange for new operating lease liabilities	$ 5,090	$ 484
Weighted-average remaining lease term—operating leases	5 years 6 months	3 years
Weighted-average discount rate—operating leases	11.20%	9.00%
Sublease income	$ 194	$ 14