v3.5.0.2
Acquisitions - Additional Information (Details) - Pacific Rim Bank - USD ($)
9 Months Ended
Jun. 16, 2015
Sep. 30, 2016
Sep. 30, 2015
Business Acquisition [Line Items]      
Acquisition date   Jun. 16, 2015  
Common stock issued in exchange for acquisition, shares 621,345    
Stock value per share, acquisition date $ 19.00    
Cash paid to dissenting shareholders upon acquisition $ 543,000    
Goodwill 1,300,000    
Deferred income tax asset, operating loss carry-forward and other tax attributes   $ 2,300,000  
Business combination, value of deposit $ 1,100,000    
Finite-lived intangible asset, amortized period   7 years  
Acquisition date     Jan. 01, 2015
Increase in net income, pro forma adjustment     $ 200,000
Business combination, pro forma information, revenue of acquiree since acquisition date, actual     1,600,000
Business combination, pro forma information, earnings or loss of acquiree since acquisition date, actual     $ 500,000