Lease Commitments (Lease Costs) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Components of lease expense:
Operating lease expense	$ 7,350	$ 7,611
Less sublease income	213	292
Net lease expense	7,137	7,319
Operating cash outflow from operating leases	$ 7,206	$ 7,053