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DERIVATIVES - Additional Information (Detail)
$ in Thousands
Dec. 31, 2021
USD ($)
entity
Dec. 31, 2020
USD ($)
entity
Derivative [Line Items]    
Number of counterparties | entity 6 20
Derivative Asset $ 212,970 $ 272,499
Derivative Assets (Liabilities), at Fair Value, Net (7)  
Derivative Liability 212,977 272,606
Derivative, Notional Amount $ 17,683,691 $ 11,875,690
Foreign Exchange [Member]    
Derivative [Line Items]    
Number of counterparties | entity 4 6
Credit Risk Contract [Member]    
Derivative [Line Items]    
Outstanding liability from counterparty contracts $ 100 $ 300
Derivative, Notional Amount 362,800 242,400
Interest Rate Lock Commitments [Member]    
Derivative [Line Items]    
Derivative, Notional Amount 45,000 114,200
Other Credit Derivatives [Member]    
Derivative [Line Items]    
Outstanding liability from counterparty contracts   2,700
Derivative, Notional Amount 62,500 112,600
Credit Risk Derivative Assets, at Fair Value 3,300  
Derivative [Member] | Other Liabilities [Member]    
Derivative [Line Items]    
Derivative Liability 74,200 182,300
Derivative, Notional Amount 2,400,000 2,300,000
Derivative [Member] | Other Liabilities [Member] | Foreign Exchange [Member]    
Derivative [Line Items]    
Derivative Liability 15,200 33,100
Derivative, Notional Amount $ 6,400,000 $ 3,600,000