Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease right-of-use assets	$ 7,748	$ 7,774
Current portion of operating lease liabilities	1,688	1,322
Operating lease liabilities, net of current portion	10,314	10,752
Total operating lease liabilities	$ 12,002	$ 12,074
Weighted average remaining lease term	6 years	7 years 2 months 12 days
Weighted average discount rate, weighted based on the remaining balance of lease payments (percent)	6.20%	6.00%