Operating Leases - Components Of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]
Operating lease cost	$ 360	$ 189	$ 250
Variable lease cost	105	85	80
Total lease cost	$ 465	$ 274	$ 330