OTHER LONG-TERM BORROWINGS - Components of Other Borrowings (Parenthetical) (Detail) - Junior Subordinated Debt [Member]	9 Months Ended	12 Months Ended
Sep. 30, 2023	Dec. 31, 2022
SOFR [Member]
Subordinated Borrowing [Line Items]
Debt Instrument Basis Spread On Variable Rate	0.26161%
Debt Instrument Description Of Variable Rate Basis	3-month CME Term SOFR
SOFR [Member] \| Statutory Trust One [Member]
Subordinated Borrowing [Line Items]
Debt Instrument Basis Spread On Variable Rate	2.75%
SOFR [Member] \| Statutory Trust Two [Member]
Subordinated Borrowing [Line Items]
Debt Instrument Basis Spread On Variable Rate	2.50%
due June 17, 2034 [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Statutory Trust One [Member]
Subordinated Borrowing [Line Items]
Debt Instrument Basis Spread On Variable Rate		2.75%
Debt Instrument Description Of Variable Rate Basis		3-month LIBOR
Long Term Debt Percentage Bearing Variable Interest Rate		7.49%
due June 17, 2034 [Member] \| SOFR [Member] \| Statutory Trust One [Member]
Subordinated Borrowing [Line Items]
Debt Instrument Basis Spread On Variable Rate	0.26161%
Debt Instrument Description Of Variable Rate Basis	3-month CME Term SOFR
Long Term Debt Percentage Bearing Variable Interest Rate	8.42%
due September 20, 2034 [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Statutory Trust Two [Member]
Subordinated Borrowing [Line Items]
Debt Instrument Basis Spread On Variable Rate		2.50%
Debt Instrument Description Of Variable Rate Basis		3-month LIBOR
Long Term Debt Percentage Bearing Variable Interest Rate		7.25%
due September 20, 2034 [Member] \| SOFR [Member] \| Statutory Trust Two [Member]
Subordinated Borrowing [Line Items]
Debt Instrument Basis Spread On Variable Rate	0.26161%
Debt Instrument Description Of Variable Rate Basis	3-month CME Term SOFR
Long Term Debt Percentage Bearing Variable Interest Rate	8.16%

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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- Definition

Description of reference rate used for variable rate of debt instrument.

+ References

No definition available.

+ Details

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- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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- Definition

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.

+ References

No definition available.

+ Details

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