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Borrowings and Related Interest (Advances from the Federal Home Loan Bank) (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Advances From Federal Home Loan Banks [Line Items] |  |
Borrowings | $ 549,046 | $ 570,425
Federal Home Loan Bank Advances [Member] |  |
Advances From Federal Home Loan Banks [Line Items] |  |
Borrowings | 80,919 | 77,444
Federal Home Loan Bank Advances [Member] | Under 90 Days [Member] |  |
Advances From Federal Home Loan Banks [Line Items] |  |
Borrowings | 33,175 |
Federal Home Loan Bank Advances [Member] | Over One to Three Years [Member] |  |
Advances From Federal Home Loan Banks [Line Items] |  |
Borrowings | 8,780 |
Federal Home Loan Bank Advances [Member] | Over Three to Five Years [Member] |  |
Advances From Federal Home Loan Banks [Line Items] |  |
Borrowings | 34,514 |
Federal Home Loan Bank Advances [Member] | Over FIve Years [Member] |  |
Advances From Federal Home Loan Banks [Line Items] |  |
Borrowings | 4,450 |
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 | $ 33,175 | $ 33,572
FHLB, Weighted Average Interest Rate | 2.67% | 2.61%
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 | $ 47,744 | $ 43,872
FHLB, Weighted Average Interest Rate | 2.90% | 2.89%

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