LOANS, LEASES, AND ALLOWANCE FOR CREDIT LOSSES (Summary of Financial Impact of Loan Modifications) (Details)	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.00%	0.30%	0.30%	0.40%
Weighted-average term extension (in months)	7 months	7 months	11 months	11 months
Commercial:
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.00%	0.30%	0.00%	0.40%
Weighted-average term extension (in months)	7 months	5 months	11 months	9 months
Commercial: \| Commercial and industrial
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.00%	0.30%	0.00%	0.40%
Weighted-average term extension (in months)	8 months	5 months	10 months	7 months
Commercial: \| Owner-occupied
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.00%	0.00%	0.00%	0.00%
Weighted-average term extension (in months)	3 months	0 months	19 months	3 months
Commercial: \| Municipal
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)		0.00%		0.00%
Weighted-average term extension (in months)		0 months		61 months
Commercial real estate:
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.00%	0.20%	0.10%	0.20%
Weighted-average term extension (in months)	8 months	8 months	12 months	10 months
Commercial real estate: \| Term
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.00%	0.20%	0.10%	0.20%
Weighted-average term extension (in months)	8 months	3 months	12 months	10 months
Commercial real estate: \| Construction and land development
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.00%	0.00%	0.00%	0.00%
Weighted-average term extension (in months)	3 months	8 months	8 months	1 month
Consumer:
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.00%	0.00%	2.40%	8.00%
Weighted-average term extension (in months)	11 months	0 months	9 months	67 months
Consumer: \| 1-4 family residential
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.00%	0.00%	0.90%	1.30%
Weighted-average term extension (in months)	11 months	0 months	7 months	78 months
Consumer: \| Home equity credit line
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.00%	0.00%	2.80%	6.80%
Weighted-average term extension (in months)	0 months	0 months	43 months	44 months
Consumer: \| Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)		0.00%		0.00%
Weighted-average term extension (in months)		0 months		71 months

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 326
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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-Name Accounting Standards Codification
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
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-Publisher SEC

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