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Borrowed Funds (Tables) | 12 Months Ended
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Dec. 31, 2017
Debt Disclosure [Abstract] |
Schedule Of Federal Home Loan Bank Advances Borrowed Funds [Table Text Block] | At year end, borrowed funds are summarized below:
|  | (Dollars in thousands) |
|  | 2017 |  | 2016 |
Fixed rate advances from the FHLB |  | $ | 17,100 |  | $ | 25,100 |
Line of credit at FHLB |  |  | 3,181 |  |  | 28 |
Other |  |  | 600 |  |  | 700 |
Total |  | $ | 20,881 |  | $ | 25,828 |
Schedule Of Federal Home Loan Bank Advances Rolling Maturity [Table Text Block] | At December 31, 2017, scheduled maturities of borrowed funds were as follows:
|  | (Dollars in thousands) |
2018 |  | $ | 9,881 |
2019 |  |  | 9,000 |
2020 |  |  | 2,000 |
Total |  | $ | 20,881 |
Schedule Of Federal Home Loan Bank Advances Activity For Year [Table Text Block] | Repurchase agreements generally mature within one year and are secured by U.S. government and U.S. agency securities, under the Bancorp’s control. At December 31, information concerning these retail repurchase agreements is summarized below:
|  | (Dollars in thousands) |
|  | 2017 |  |  | 2016 |
Ending balance |  | $ | 11,300 |  |  | $ | 13,998 |
Average balance during the year |  |  | 13,734 |  |  |  | 17,755 |
Maximum month-end balance during the year |  |  | 17,720 |  |  |  | 23,308 |
Securities underlying the agreements at year end: |  |  |  |  |  |  |  |
Carrying value |  |  | 18,053 |  |  |  | 23,571 |
Fair value |  |  | 18,053 |  |  |  | 23,571 |
Average interest rate during the year |  |  | 0.82 | % |  |  | 0.55 | %
Average interest rate at year end |  |  | 0.91 | % |  |  | 0.56 | %
Schedule of Federal Home Loan Bank, Advances, by Branch of FHLB Bank [Table Text Block] | At December 31, advances from the Federal Home Loan Bank were as follows:
|  | (Dollars in thousands) |
|  | 2017 |  | 2016 |
Fixed rate advances, maturing January 2018 through June 2020 at rates from 0.97% to 2.11%; average rate: 2017 – 1.67%; 2016 – 1.40% |  | $ | 17,100 |  | $ | 25,100 |

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- Definition Tabular disclosure of advances by federal home loan bank by branch. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13,16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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