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REGULATORY MATTERS, COMMITMENTS, AND CONTINGENCIES - Additional Information (Detail) - USD ($)
$ in Millions
Dec. 31, 2023
Jan. 01, 2020
ASU 2016-13    
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]    
Percentage Of Increase In ACL Adjusted In Capital Measures 25.00% 25.00%
CECL, amount excluded to be phased-on during after two years $ 32.4  
ASU 2016-13 | Cumulative Effect, Period of Adoption, Adjustment [Member] | Retained Earnings [Member]    
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]    
Cumulative Effect Of New Accounting Principle In Period Of Adoption 1   $ (32.4)
Basel III [Member]    
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]    
Capital Conservation Buffer 2.50%