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Stock Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] | A summary of incentive option activity under the Bancorp’s stock option and incentive plans described above for the nine months ended September 30, 2017 follows:
|  |  |  |  |  |  |  | Weighted- |  |  |  |
|  |  |  |  | Weighted- |  |  | Average |  |  |  |
|  |  |  |  | Average |  |  | Remaining |  |  | Aggregate |
|  |  |  |  | Exercise |  |  | Contractual |  |  | Intrinsic |
Incentive options |  | Shares |  |  | Price |  |  | Term |  |  | Value |
Outstanding at January 1, 2017 |  |  | 500 |  |  | $ | 28.50 |  |  |  |  |  |  |  |  |
Granted |  |  | - |  |  |  | - |  |  |  |  |  |  |  |  |
Exercised |  |  | - |  |  |  | - |  |  |  |  |  |  |  |  |
Forfeited |  |  | - |  |  |  | - |  |  |  |  |  |  |  |  |
Expired |  |  | - |  |  | $ | - |  |  |  |  |  |  |  |  |
Outstanding at September 30, 2017 |  |  | 500 |  |  | $ | 28.50 |  |  |  | 0.4 |  |  |  | 6,500 |
Exercisable at September 30, 2017 |  |  | 500 |  |  | $ | 28.50 |  |  |  | 0.4 |  |  |  | 6,500 |
Nonvested Restricted Stock Shares Activity [Table Text Block] | A summary of restricted stock activity under the Bancorp’s incentive stock option and incentive plans described above for the nine months ended September 30, 2017 follows:
|  |  |  |  | Weighted- |
|  |  |  |  | Average |
|  |  |  |  | Grant Date |
Restricted stock |  | Shares |  |  | Fair Value |
Nonvested at January 1, 2017 |  |  | 28,465 |  |  | $ | 26.67 |
Granted |  |  | 4,575 |  |  |  | 39.00 |
Vested |  |  | 1,625 |  |  |  | 25.81 |
Forfeited |  |  | 725 |  |  |  | 28.62 |
Nonvested at September 30, 2017 |  |  | 30,690 |  |  | $ | 28.51 |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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