CREDIT QUALITY ASSESSMENT - Financial Effect of Modifications (Details)	6 Months Ended
Jun. 30, 2023
Commercial real estate: \| Commercial investor real estate \| Term extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Term extension	5 months
Commercial real estate: \| Commercial owner-occupied real estate \| Term extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Term extension	8 months
Commercial real estate: \| Commercial AD&C \| Term extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Term extension	9 months
Commercial business \| Term extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Term extension	8 months
Maximum \| Commercial real estate: \| Commercial investor real estate \| Interest rate reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Interest rate reduction	8.00%
Minimum \| Commercial real estate: \| Commercial investor real estate \| Interest rate reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Interest rate reduction	5.00%

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
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-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
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-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
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-Name Accounting Standards Codification
-Section 55
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-URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
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-Name Accounting Standards Codification
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- Definition

Percentage of decrease in weighted average contractual interest rate of financing receivable modified for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A

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- Definition

Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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