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EQUITY (Details) - USD ($)
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Jan. 31, 2017
Dec. 31, 2016
Jan. 31, 2016
EQUITY          
For ownership change to occur, the minimum cumulative increase in the entity's ownership by "5-percent shareholders" over a rolling three-year period (as a percent) 50.00%        
Par value (in dollars per share) $ 0     $ 0  
Shares of common stock repurchased 113,750 233,722      
Common stock, par value (in dollars per share) $ 0     $ 0  
Other operating expense $ 3,777,000 $ 3,710,000      
Central Pacific Bank          
EQUITY          
Statutory retained earnings 93,700,000        
Common Stock | 2016 Repurchase Plan          
EQUITY          
Up to value of shares repurchased $ 100,000        
Shares of common stock repurchased 1,750        
Amount authorized under the Repurchase Plan     $ 30,000,000.0   $ 30,000,000.0
Common Stock | 2017 Repurchase Plan          
EQUITY          
Up to value of shares repurchased $ 3,500,000        
Shares of common stock repurchased 112,000