Derivatives - Fair Value Hedges on Balance Sheet (Details) - Interest Rate Swap, Liability [Member] - Designated as Hedging Instrument [Member] - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Derivatives, Fair Value [Line Items]
Weighted average remaining maturity	7 years 4 months 17 days	8 years 2 months 12 days
Weighted Average Pay Rate	3.08%	3.09%
Notional Amount	$ 36,000,000	$ 36,000,000
Estimated Fair Value	$ (6,791,000)	$ (3,446,000)