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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Narrative (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2026 USD ($) borrower	Sep. 30, 2025 USD ($) borrower	Sep. 30, 2026 USD ($) borrower	Sep. 30, 2025 USD ($) borrower
Financing Receivable, Allowance for Credit Losses [Line Items]
Risk review of commercial relationships with committed loan balance amount (exceeds)	$ 2,000,000.0		$ 2,000,000.0
Amount of loan on which reviews require approval	500,000		$ 500,000
Loans that are deemed impaired, number of days past due (more than)			90 days
Appraisals, required period interval			18 months
Minimum amount on which annual updated appraisals for classified loans is required	250,000		$ 250,000
Percentage of strong loan-to-value (or lower)			70.00%
Financing receivable, nonaccrual, interest income	$ 0	$ 0	$ 0	$ 0
Number of borrowers experiencing financial difficulty that were given contract modifications \| borrower	2	2	6	5
Financing receivable, modified, accumulated	$ 5,900,000		$ 5,900,000
Financing receivable, modified, commitment to lend	0		0
Loans modified			831,000	$ 770,000
Commercial and industrial
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans modified			641,000
Commercial Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans modified				73,000
Commercial and land development
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, excluding accrued interest, modified, subsequent default			5,400,000
Loans modified			4,700,000
90+ Days Past Due
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, modified, accumulated	$ 0		0
Loans modified			$ 0	$ 0
Maximum
Financing Receivable, Allowance for Credit Losses [Line Items]
Percentage of loan-to-value ratio upon loan origination			80.00%
Percentage of loan-to-value ratios of the value of the real estate taken as collateral			85.00%