XML 13 R1.htm IDEA: XBRL DOCUMENT v3.5.0.2
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2016
Jul. 28, 2016
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2016  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q2  
Trading Symbol BANC  
Entity Registrant Name BANC OF CALIFORNIA, INC.  
Entity Central Index Key 0001169770  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   49,563,203
Class B Non-Voting Non-Convertible Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   161,841