Leases - Additional Information on Operating Leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Lease, Cost [Abstract]
Operating leases	$ 662	$ 591	$ 1,916	$ 1,849
Short-term lease	6	5	182	52
Total lease expense	$ 668	$ 596	2,098	1,901
Cash payments included in operating cash flows			1,645	1,625
Right-of-use assets obtained in exchange for new lease			$ 769	$ 376
Weighted average discount rate	9.11%	9.33%	9.11%	9.33%
Weighted average remaining lease term in years	5 years 1 month 2 days	5 years 6 months 10 days	5 years 1 month 2 days	5 years 6 months 10 days