Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Lease cost
Finance lease cost: Amortization of right-of-use assets	$ 30	$ 29	$ 90	$ 85
Finance lease cost: Interest on lease liability	3	5	11	14
Operating lease cost	92	80	286	236
Variable and short-term lease cost	576	518	1,401	1,262
Total lease cost	$ 701	$ 632	$ 1,788	$ 1,597