Leases - Additional Information on Operating Leases (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Lease, Cost [Abstract]
Operating leases	$ 648	$ 657	$ 1,254	$ 1,258
Short-term lease	89	16	176	47
Total lease expense	$ 737	$ 673	1,430	1,305
Cash payments included in operating cash flows			854	609
Right-of-use assets obtained in exchange for new lease			$ 795	$ 296
Weighted average discount rate	9.03%	9.42%	9.03%	9.42%
Weighted average remaining lease term in years	5 years 14 days	5 years 9 months	5 years 14 days	5 years 9 months