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Borrowings (Narrative) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Short-term Debt [Line Items]
Long-term Federal Home Loan Bank Advances		$ 15,000
Federal Home Loan Bank Advances [Member]
Short-term Debt [Line Items]
Long-term Federal Home Loan Bank Advances	$ 15,000
Debt Instrument, Interest Rate, Effective Percentage	2.82%
Line of Credit [Member] \| Federal Funds Line Of Credit And Reverse Repurchase Agreement [Member]
Short-term Debt [Line Items]
Short-term Debt, Total		15,000	$ 15,000
Federal Home Loan Bank Advances [Member]
Short-term Debt [Line Items]
Short-term Debt, Total	$ 0	0
Federal Home Loan Bank Advances [Member] \| Secured Credit [Member]
Short-term Debt [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity	$ 316,700	$ 270,100