Leases (Schedule of Lease Costs and Other Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Leases [Abstract]
Amortization of right-of-use assets	$ 75
Interest on lease liabilities	10
Operating lease cost	431
Short-term lease cost	18
Variable lease cost	(1)
Total lease cost	533
Operating cash flows from finance leases	10
Operating cash flows from operating leases (Fixed payments)	349
Operating cash flows from operating leases (Liability reduction)	85
Financing cash flows from finance leases	73	$ 38
Right-of-use assets obtained in exchange for new finance lease liabilities	6,189
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 22
Weighted-average remaining lease term - finance leases	3 years 8 months 1 day
Weighted average remaining lease term - operating leases	23 years 10 months 17 days
Weighted-average discount rate - finance leases	3.07%
Weighted-average discount rate - operating leases	3.78%