Leases (Schedule of Lease Costs and Other Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Amortization of right-of-use assets	$ 164
Interest on lease liabilities	16
Operating lease cost	637
Short-term lease cost	59
Variable lease cost	4
Total lease cost	880
Operating cash flows from finance leases	16
Operating cash flows from operating leases (Fixed payments)	560
Operating cash flows from operating leases (Liability reduction)	291
Financing cash flows from finance leases	159	$ 83	$ 73
Right-of-use assets obtained in exchange for new finance lease liabilities	1,188
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 2,775
Weighted-average remaining lease term - finance leases	7 years 2 months 19 days
Weighted average remaining lease term - operating leases	21 years 5 months 1 day
Weighted-average discount rate - finance leases	1.79%
Weighted-average discount rate - operating leases	3.38%