Derivatives Schedule of Cash Flow Hedge, Statements of Financial Performance and Position, Location (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2020	Sep. 30, 2020	Dec. 31, 2019
Derivative [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	$ (575)	$ (1,026)	$ (575)
Borrowing Derivative [Member]
Derivative [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments		(1,026)	(575)
Derivative, Notional Amount		25,000	25,000
Loan Derivative [Member]
Derivative [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments		0	0
Derivative, Notional Amount		33,783	35,503
Other Assets [Member] | Borrowing Derivative [Member]
Derivative [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments		0	0
Derivative, Notional Amount		0	0
Other Assets [Member] | Loan Derivative [Member]
Derivative [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments		4,503	1,781
Derivative, Notional Amount		33,783	24,421
Other Assets [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments		4,503	1,870
Derivative, Notional Amount		33,783	35,504
Other Liabilities [Member] | Borrowing Derivative [Member]
Derivative [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments		(1,026)	(575)
Derivative, Notional Amount		25,000	25,000
Other Liabilities [Member] | Loan Derivative [Member]
Derivative [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments		0	(89)
Derivative, Notional Amount		0	11,083
Other Liabilities [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments		(5,529)	(2,445)
Derivative, Notional Amount		58,783	60,504
Individually Immaterial Counterparties [Member] | Other Assets [Member] | Loan Derivative [Member]
Derivative [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments		0	89
Derivative, Notional Amount		0	11,083
Individually Immaterial Counterparties [Member] | Other Liabilities [Member] | Loan Derivative [Member]
Derivative [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments		(4,503)	(1,781)
Derivative, Notional Amount		$ 33,783	$ 24,421