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ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Additional Information (Details) - USD ($)	9 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable before allowance for credit loss	$ 5,081,990,000	$ 4,916,534,000
Loan amount of credit quality analysis	250,000
Commitment to lend additional funds with modified loan	694,000
PPP | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable before allowance for credit loss	$ 1,200,000	$ 1,300,000

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- Definition

The minimum loan amount required for credit quality analysis.

+ References

No definition available.

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph c
-Publisher SEC

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

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-Topic 326
-SubTopic 20
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-Section 45
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-Paragraph 5
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- Definition

Amount of commitment to lend additional funds to debtor experiencing financial difficulty for which creditor has modified terms of financing receivable.

+ References

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-Topic 310
-SubTopic 40
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-Section 50
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