ADVANCES FROM THE FEDERAL HOME LOAN BANK (FHLB) - Summary of Advances from FHLB (Detail) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Short-term Debt [Member]
Federal Home Loan Bank, Advances [Line Items]
Fixed-rate advances from FHLB	$ 0	$ 475,000
Long-term Debt [Member]
Federal Home Loan Bank, Advances [Line Items]
Fixed-rate advances from FHLB	$ 500,000	$ 200,000

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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