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SECURITIES - Additional Information (Details)		3 Months Ended		9 Months Ended
	Jul. 23, 2025 USD ($) security	Sep. 30, 2025 USD ($) security	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) security	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) security
Debt and Equity Securities, FV-NI [Line Items]
Reclassification adjustment for net realized gains		$ 83,000	$ (2,000)	$ 83,000	$ (2,000)
Number of debt securities sold | security	243
Proceeds from sales of available-for-sale securities	$ 204,100,000	$ 258,295,000	$ 46,000	$ 258,295,000	$ 46,000
Gain (loss) recognized on sale of debt securities	$ 0
Number of securities holdings | security		0		0		0
Shareholders equity, percentage		10.00%		10.00%		10.00%
Credit related impairment		$ 0		$ 0		$ 0
Collateral Pledged
Debt and Equity Securities, FV-NI [Line Items]
Securities pledged to public deposits		$ 587,700,000		$ 587,700,000		$ 443,900,000

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Amount of unrealized and realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of allowance for credit loss for debt security measured at amortized cost (held-to-maturity).

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Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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