v3.26.3
EQUITY (Details) - USD ($)
$ in Millions
 6 Months Ended 9 Months Ended 180 Months Ended 183 Months Ended
Jun. 30, 2026
Sep. 30, 2026
Dec. 31, 2025
Mar. 31, 2026
Jan. 31, 2026
Jan. 31, 2025
Dec. 31, 2011
EQUITY              
Shares of common stock repurchased (in shares)     17,522,506 18,459,870      
Number of shares authorized for repurchase (in shares)             185,000,000
Central Pacific Bank              
EQUITY              
Statutory retained earnings   $ 243.5 $ 234.7        
2024 Repurchase Plan              
EQUITY              
Stock repurchase program, remaining authorized repurchase amount           $ 19.1  
2025 Repurchase Plan              
EQUITY              
Amount authorized under the Repurchase Plan           $ 30.0  
Stock repurchase program, remaining authorized repurchase amount         $ 6.7    
2026 Repurchase Plan              
EQUITY              
Amount authorized under the Repurchase Plan         $ 55.0    
Stock repurchase program, remaining authorized repurchase amount   $ 22.0          
Common Stock | 2025 Repurchase Plan              
EQUITY              
Shares of common stock repurchased (in shares) 788,261            
Up to value of shares repurchased $ 23.3            
Common Stock | 2026 Repurchase Plan              
EQUITY              
Shares of common stock repurchased (in shares)   937,364          
Up to value of shares repurchased   $ 33.0