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Borrowings and Related Interest (Summary of Federal Home Loan Bank Advances And Maturity) (Details) - Federal Home Loan Bank Advances [Member] - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Advances From Federal Home Loan Banks [Line Items] |  |
Borrowings | $ 64,475 | $ 65,465
Under 90 Days [Member] |  |
Advances From Federal Home Loan Banks [Line Items] |  |
Borrowings | 29,822 | 30,259
Over One to Three Years [Member] |  |
Advances From Federal Home Loan Banks [Line Items] |  |
Borrowings | 30,450 | 30,972
Over Three to Five Years [Member] |  |
Advances From Federal Home Loan Banks [Line Items] |  |
Borrowings | 4,203 | 4,234
Federal Loan Home Bank Advances Short Term Period Matured [Member] |  |
Advances From Federal Home Loan Banks [Line Items] |  |
Borrowings | $ 29,822 | $ 30,259
FHLB, Weighted Average Interest Rate | 0.35% | 0.34%
Federal Loan Home Bank Advances Long Term Period Matured [Member] |  |
Advances From Federal Home Loan Banks [Line Items] |  |
Borrowings | $ 34,653 | $ 35,206
Federal Loan Home Bank Advances Long Term Period Matured [Member] | Minimum [Member] |  |
Advances From Federal Home Loan Banks [Line Items] |  |
FHLB, Weighted Average Interest Rate | 2.92% | 2.92%
Federal Loan Home Bank Advances Long Term Period Matured [Member] | Maximum [Member] |  |
Advances From Federal Home Loan Banks [Line Items] |  |
FHLB, Weighted Average Interest Rate | 3.24% | 3.24%

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