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STOCKHOLDERS' EQUITY - Additional Information (Detail) - USD ($)
 3 Months Ended
Apr. 27, 2022
Nov. 30, 2021
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Apr. 26, 2021
Class Of Stock [Line Items]            
Dividends declared per common share     $ 0.10 $ 0.07    
Preferred Stock Shares Authorized     50,000,000      
Preferred stock, par value     $ 1.00      
Liquidation value per share, Preferred stock   $ 25        
Treasury Stock Shares     24,962,245   21,836,611  
Legal surplus reserve rate     10.00%      
Puerto Rico Banking Law Description     The Puerto Rico Banking Law provides that, when the expenditures of a Puerto Rico commercial bank are greater than receipts, the excess of the expenditures over receipts must be charged against the undistributed profits of the bank, and the balance, if any, must be charged against the legal surplus reserve, as a reduction thereof. If the legal surplus reserve is not sufficient to cover such balance in whole or in part, the outstanding amount must be charged against the capital account and the Bank cannot pay dividends until it can replenish the legal surplus reserve to an amount of at least 20% of the original capital contributed.      
Legal Surplus Amount Additions     $ 0      
Legal Surplus Amount     $ 137,591,000   $ 137,591,000  
Stock Repurchase Program Authorized Amount 1           $ 300,000,000
Stock Repurchased During Period Shares     3,611,627      
Preferred Stock, Liquidation Preference, Value   $ 36,100,000        
Reduction In Retained Earnings From Preferred Stock Liquidation   $ 1,200,000        
Preferred Stock Shares Outstanding     0      
Stock Issued During Period Shares Treasury Stock Reissued     489,085      
Treasury Stock Acquired Repurchase Authorization     On April 27, 2022, the Corporation announced that its Board of Directors approved a new stock repurchase program, under which the Corporation may repurchase up to $350 million of its outstanding common stock, to be executed through the next four quarters, commencing in the second quarter of 2022. Repurchases under the program may be executed through open market purchases, accelerated share repurchases and/or privately negotiated transactions or plans, including plans complying with Rule 10b5-1 under the Exchange Act. The Corporation’s common stock repurchase program is subject to various factors, including the Corporation’s capital position, liquidity, financial performance and alternative uses of capital, stock trading price, and general market conditions. The repurchase program may be modified, extended, suspended, or terminated at any time at the Corporation’s discretion. The program does not obligate the Corporation to acquire any specific number of shares.       
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation     201,930 194,471    
Open Market Repurchase [Member]            
Class Of Stock [Line Items]            
Stock Repurchased During Period Shares     3,409,697      
Repurchase of common stock value     $ 50,000,000      
Subsequent Event [Member]            
Class Of Stock [Line Items]            
Dividend Payable Date To Be Paid Day Month And Year Jun. 10, 2022          
Dividends Payable Date Of Record Day Month And Year May 25, 2022          
Dividends Payable Date Declared Day Month And Year Apr. 27, 2022          
Subsequent Event [Member] | New Stock Repurchase Program [Member]            
Class Of Stock [Line Items]            
Stock Repurchase Program Authorized Amount 1 $ 350,000,000          
Common Stock [Member]            
Class Of Stock [Line Items]            
Dividends declared     $ 19,900,000 $ 15,300,000    
Common Stock [Member] | Subsequent Event [Member]            
Class Of Stock [Line Items]            
Dividends declared per common share $ 0.12          
Increase Decease Dividends Per Share Declared Percent 20.00%          
Increase in dividends per share declared $ 0.02          
Preferred Stock [Member]            
Class Of Stock [Line Items]            
Dividends declared       $ 700,000    
Stock Redeemed Or Called During Period Shares   1,444,146