Leases - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) lease	Dec. 31, 2020 lease	Jan. 01, 2019 USD ($)
Leases [Abstract]
Number operating leases | lease	2	2
Estimated incremental borrowing rate	8.80%
Present value of operating lease liabilities | $	$ 1,011		$ 1,200
Operating lease, weighted average discount rate, percent	8.80%
Operating lease, weighted average remaining lease term	4 years 1 month 2 days