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GOODWILL AND OTHER INTANGIBLES - Gross Amount and Accumulated Amortization of Other Intangible Assets (Detail) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Finite Lived Intangible Assets [Line Items]    
Net carrying amount $ 9,700 $ 13,383
Core Deposits [Member]    
Finite Lived Intangible Assets [Line Items]    
Gross amount 87,544 87,544
Accumulated amortization (77,844) (74,161)
Net carrying amount $ 9,700 $ 13,383
Remaining amortization period (in years) 5 years 6 months 6 years