Leases - Lease Costs and Other Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Lease costs:
Operating lease costs	$ 1,222	$ 1,044
Variable lease costs	97	111
Total	1,319	1,155
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 1,180	$ 1,265