Derivatives Schedule of Cash Flow Hedge, Statements of Financial Performance and Position, Location (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Derivative [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	$ (727)	$ (885)
Borrowing Derivative [Member]
Derivative [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	(727)	(885)
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	32,827	33,310
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	2,278	3,934
Derivative, Notional Amount	32,827	33,310
Other Assets [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	2,278	3,934
Derivative, Notional Amount	32,827	33,310
Other Liabilities [Member] | Borrowing Derivative [Member]
Derivative [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	(727)	(885)
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	0
Derivative, Notional Amount	0	0
Other Liabilities [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	(3,005)	(4,819)
Derivative, Notional Amount	57,827	58,310
Individually Immaterial Counterparties [Member] | Other Assets [Member] | Loan Derivative [Member]
Derivative [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	0	0
Derivative, Notional Amount	0	0
Individually Immaterial Counterparties [Member] | Other Liabilities [Member] | Loan Derivative [Member]
Derivative [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	(2,278)	(3,934)
Derivative, Notional Amount	$ 32,827	$ 33,310