Leases - Additional Information on Operating Leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Lease, Cost [Abstract]
Operating leases	$ 546	$ 662	$ 1,649	$ 1,916
Short-term lease	318	6	732	182
Total lease expense	$ 864	$ 668	2,381	2,098
Cash payments included in operating cash flows			1,689	1,645
Right-of-use assets obtained in exchange for new lease			$ 1,665	$ 769
Weighted average discount rate (in percent)	8.39%	9.11%	8.39%	9.11%
Weighted average remaining lease term (in years)	5 years 6 months	5 years 1 month 6 days	5 years 6 months	5 years 1 month 6 days