Other Investments Other Investment (Narrative) (Details)	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Investments, All Other Investments [Abstract]
Equity Securities without Readily Determinable Fair Value, Amount	$ 407,000	$ 137,000
Federal Home Loan Bank Stock	$ 9,800,000	8,900,000
Number of Limited Partnerships	4
Investment in a limited partnership	$ 3,900,000	3,900,000
Investment Tax Credit	746,000	669,000	$ 1,544,000
Amortization on Investment in Limited Partnership	549,000	552,000	1,270,000
Income Tax Benefit Recognized on Limited Partnerships	$ 248,000	$ 177,000	$ 286,000