XML 62 R52.htm IDEA: XBRL DOCUMENT v3.8.0.1
Merger Agreement (Details)
$ in Thousands
Jul. 31, 2017
shares
Sep. 30, 2017
USD ($)
branch
Dec. 31, 2016
USD ($)
Business Acquisition [Line Items]      
Amount of acquiree's assets   $ 2,155,901 $ 2,023,493
Amount of acquiree's deposit liabilities   $ 1,890,970 $ 1,772,700
Bank of Napa, N.A. (Napa)      
Business Acquisition [Line Items]      
Number of acquiree's branches | branch   2  
Amount of acquiree's assets   $ 255,300  
Amount of acquiree's deposit liabilities   226,100  
Amount of acquiree's loan assets   $ 140,500  
Bank of Napa, N.A. (Napa)      
Business Acquisition [Line Items]      
Shares received by Napa shareholders in merger per acquiree share | shares 0.307