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Other Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2016
Defined Contribution Pension And Other Postretirement Plans Disclosure Abstract |
Schedule of Employees Eligible to Participate in Employee Stock Purchase Plan | Mid Penn has an Employee Stock Purchase Plan (“ESPP”) in which all employees are eligible to participate. The Plan allows employees to use a portion of their salaries and wages to purchase common shares of Mid Penn stock at the market value of shares at the end of each calendar quarter.
|  | 2016 |  |  | 2015 |  |  | 2014 |
ESPP shares purchased |  |  | 4,465 |  |  |  | 4,162 |  |  |  | 3,432 |
Average purchase price per share |  | $ | 18.520 |  |  | $ | 15.865 |  |  | $ | 15.318 |

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- Definition Tabular disclosure of employee stock purchase plan activity. + 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 (g) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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