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CREDIT QUALITY ASSESSMENT - Collateral Dependent Loans (Detail) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Jun. 30, 2020
Dec. 31, 2019
Credit Loss [Abstract]        
Collateral dependent loans individually evaluated for credit loss with an allowance $ 53,007 $ 20,717    
Collateral dependent loans individually evaluated for credit loss without an allowance 23,910 77,001    
Total individually evaluated collateral dependent loans 76,917 97,718    
Allowance for credit losses related to loans evaluated individually 16,283 11,405    
Allowance for credit losses related to loans evaluated collectively 107,678 153,962    
Total allowance for credit losses $ 123,961 $ 165,367 $ 163,481 $ 56,132