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Commitments and Contingent Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2017
Commitments And Contingencies Disclosure [Abstract] |
The Contractual Amounts of Financial Instruments with Off-Balance-Sheet Risk at Year End | The contractual amounts of financial instruments with off-balance-sheet risk at year end were as follows:
|  | 2017 |  |  | 2016 |
|  | Fixed Rate |  |  | Variable Rate |  |  | Fixed Rate |  |  | Variable Rate |
Commitments and unused lines of credit |  | $ | 74,119 |  |  | $ | 265,260 |  |  | $ | 74,798 |  |  | $ | 247,080 |

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- Definition Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined) which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13467-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611 + Details
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