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Borrowings and Related Interest (Advances from the Federal Home Loan Bank) (Details) - USD ($) | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Advances From Federal Home Loan Banks [Line Items] |  |
Borrowings | $ 570,425,000 | $ 328,748,000
Thirty Four Million [Member] |  |
Advances From Federal Home Loan Banks [Line Items] |  |
Borrowings | 33,572,000 |
Nine Million [Member] |  |
Advances From Federal Home Loan Banks [Line Items] |  |
Borrowings | 8,867,000 |
Twelve Millions [Member] |  |
Advances From Federal Home Loan Banks [Line Items] |  |
Borrowings | 35,005,000 |
Federal Home Loan Bank Advances [Member] |  |
Advances From Federal Home Loan Banks [Line Items] |  |
Borrowings | $ 77,444,000 | $ 99,321,000
Federal Loan Home Bank Advances Short Term Period Matured [Member] |  |
Advances From Federal Home Loan Banks [Line Items] |  |
FHLB, Weighted Average Interest Rate | 2.61% | 1.49%
Federal Loan Home Bank Advances Short Term Period Matured [Member] | Federal Home Loan Bank Advances [Member] |  |
Advances From Federal Home Loan Banks [Line Items] |  |
Borrowings | $ 33,572,000 | $ 35,113,000
Federal Loan Home Bank Advances Long Term Period Matured [Member] |  |
Advances From Federal Home Loan Banks [Line Items] |  |
FHLB, Weighted Average Interest Rate | 2.89% | 2.24%
Federal Loan Home Bank Advances Long Term Period Matured [Member] | Federal Home Loan Bank Advances [Member] |  |
Advances From Federal Home Loan Banks [Line Items] |  |
Borrowings | $ 43,872,000 | $ 64,208,000

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