Leases (Components of Lease Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease cost	$ 2,122	$ 2,103
Amortization of leased assets	220	164
Interest on lease liabilities	31	19
Variable lease expense	571	588
Short-term lease expense	1,176	260
Total lease expense	$ 4,120	$ 3,134