Leases (Lease Expense and Cash Outflows from Operating and Finance Leases) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease cost	$ 4,405	$ 4,578	$ 4,572
Short-term lease cost	415	374	349
Variable lease cost	299	320	634
Amortization	33	58	111
Interest on lease liabilities	5	9	14
Total lease cost	5,157	5,339	5,680
Cash paid for amounts included in measurement of lease liabilities:
Operating cash flows from operating leases	4,850	4,961	4,034
Operating cash flows from finance leases	5	10	14
Financing cash flows from finance leases	37	57	102
ROU assets obtained in exchange for lease obligations:
Operating leases	208	1,993	3,298
Finance leases	$ 0	$ 0	$ 60