Commitments and Contingencies - Schedule of Components of Net Operating Lease Costs Included in Consolidated Statement of Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating Lease Costs:
Straight-line rent expense related to facility operating lease	$ 1,461	$ 2,177	$ 2,177
Variable rent expense related to operating lease	1,012	1,509	1,327
Sublease income		(187)	(1,115)
Variable sublease income		(93)	(509)
Net operating lease costs	$ 2,473	$ 3,406	$ 1,880