Other Investments Other Investment (Narrative) (Details)	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Investments, All Other Investments [Abstract]
Equity Securities without Readily Determinable Fair Value, Amount	$ 137,000	$ 137,000
Federal Home Loan Bank Stock	$ 8,900,000	13,100,000
Number of Limited Partnerships	2
Investment in a limited partnership	$ 3,900,000	3,350,000
Investment Tax Credit	669,000	1,544,000	$ 927,000
Amortization on Investment in Limited Partnership	552,000	1,270,000	680,000
Income Tax Benefit Recognized on Limited Partnerships	$ 117,000	$ 274,000	$ 247,000