Leases - Quantitative Lease Data (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Finance Lease Amounts:
Right-of-use Assets	$ 5,124	$ 2,922
Lease Liabilities	5,249	2,946	$ 5,254
Operating Lease Amounts:
Right-of-use Assets	5,529	5,587
Lease Liabilities	5,602	5,639
Cash Paid For Amounts Included In The Measurement Of Lease Liabilities:
Operating Outgoing Cash Flows From Finance Leases	50	15
Operating Outgoing Cash Flows From Operating Leases	158	173
Financing Outgoing Cash Flows From Finance Leases	5	4
Right-of-use Assets Obtained In Exchange For New Finance Lease Liabilities	0	2,939
Right-of-use Assets Obtained In Exchange For New Operating Lease Liabilities	$ 0	$ 5,725
Weighted-average Remaining Lease Term—Finance Leases (Yrs.)	29 years 10 months 24 days	26 years 10 months 28 days
Weighted-average Remaining Lease Term—Operating Leases (Yrs.)	13 years 8 months 12 days	14 years 7 months 17 days
Weighted-average Discount Rate—Finance Leases %	3.75%	3.82%
Weighted-average Discount Rate—Operating Leases %	3.36%	3.50%
Finance Lease Cost:
Amortization of Right-of-use assets	$ 44	$ 17
Interest on Lease Liabilities	50	15
Operating Lease Cost	207	173
Short-term Lease Cost	7	33
Variable Lease Cost	55	56
Total Lease Cost	$ 363	$ 294