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Consolidated Statements of Changes In Shareholders' Equity (Parenthetical) - shares | 9 Months Ended
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Sep. 30, 2018 | Sep. 30, 2017
Stock issued during period shares, Director Stock Purchase Plans | 2,893 | 714
Stock issued during period shares, Restricted stock activity | 9,647 | 3,996
Scottdale Bank and Trust Company [Member] |  |
Stock issued during period, shares | 1,878,827 | 1,878,827
First Priority Financial Corp. [Member] |  |
Stock issued during period, shares | 2,320,800 | 2,320,800
Common Stock [Member] |  |
Stock issued during period, shares, Employee Stock Purchase Plans | 2,640 | 2,747

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