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Consolidated Statements of Changes In Shareholders' Equity (Parenthetical) - shares	9 Months Ended
	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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