XML 14 R1.htm IDEA: XBRL DOCUMENT v3.22.0.1
Cover - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Feb. 25, 2022
Jun. 30, 2021
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2021    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-35522    
Entity Registrant Name BANC OF CALIFORNIA, INC.    
Entity Incorporation, State or Country Code MD    
Entity Tax Identification Number 04-3639825    
Entity Address, Address Line One 3 MacArthur Place,    
Entity Address, City or Town Santa Ana,    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 92707    
City Area Code 855    
Local Phone Number 361-2262    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 790.8
Documents Incorporated by Reference PART III of Form 10-K—Portions of the Proxy Statement for the Annual Meeting of Stockholders to be held in 2022.    
Amendment Flag false    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001169770    
Common Stock      
Document Information [Line Items]      
Title of 12(b) Security Common Stock, par value $0.01 per share    
Trading Symbol BANC    
Security Exchange Name NYSE    
Entity Common Stock, Shares Outstanding   62,190,367  
Series E Preferred Stock      
Document Information [Line Items]      
Title of 12(b) Security Depositary Shares each representing a 1/40th Interest in a share of 7.00% Non-Cumulative Perpetual Preferred Stock, Series E    
Trading Symbol BANC PRE    
Security Exchange Name NYSE    
Class B Common Stock      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   477,321