Leases - Schedule of Information Related to ROU Assets and Lease Liabilities (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Jan. 01, 2021
Leases [Abstract]
Cash paid for operating lease liabilities	$ 920
Operating lease right-of-use assets	307	$ 900
Current operating lease liabilities	613
Non-current operating lease liabilities	553
Total lease liabilities	$ 1,166	$ 900
Weighted-average remaining lease term (in years)	3 months 25 days
Weighted-average discount rate	7.20%