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Consolidated Statements of Changes In Shareholders' Equity (Parenthetical) - shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Stock issued during period, shares, Employee Stock Purchase Plans	4,132	3,578	4,465
Stock issued during period shares, Restricted stock activity	9,647	3,996	2,115
Stock issued during period shares, Director Stock Purchase Plans	4,296	1,345
Scottdale Bank and Trust Company [Member]
Stock issued during period, shares	1,878,827
First Priority Financial Corp. [Member]
Stock issued during period, shares	2,320,800
Common Stock [Member]
Stock issued during period, shares, Employee Stock Purchase Plans	4,132	3,578	4,465

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