Leases - Components of Lease Expense and Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease expense	$ 797	$ 1,370
Finance lease expense:
Amortization of right-of-use assets	15	17
Interest on lease liabilities	12	18
Total finance lease expense	27	35
Short-term lease expense	267	202
Total lease expense	1,091	1,607
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	1,107	2,884
Operating cash flows from finance leases	62	18
Financing cash flows from finance leases	$ 8	$ 70