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Description of Business, Basis of Presentation and Significant Accounting Policies (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
May 01, 2014
Dec. 31, 2013
Business Description and Basis of Presentation [Line Items]      
Bank owned life insurance $ 32,614 $ 32,500 $ 0
Heritage Bank
     
Business Description and Basis of Presentation [Line Items]      
Number of branches operating 67