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Commitment and Contigent Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract] |
Schedule Of Commitments To Extend Credit [Table Text Block] |
|  | December 31
(Dollars in thousands) | 2016 |  | 2015
Commitments to extend credit | $ | 45,979 |  | $ | 52,230
Standby letters of credit |  | 7,432 |  |  | 8,221

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