INVESTMENT SECURITIES (Narrative) (Details) - USD ($)		11 Months Ended	12 Months Ended
	Feb. 01, 2025	Dec. 31, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Schedule of Investments [Line Items]
Purchase of investment securities			$ 182,979,000	$ 0	$ 48,838,000
Investment securities available for sale, at estimated fair value		$ 466,894,000	466,894,000	393,975,000
Proceeds from sales of investment securities available for sale			169,338,000	14,336,000	$ 125,241,000
Carrying value of securities pledged as collateral as required by law on public and trust deposits, repurchase agreements, and for other purposes		159,600,000	159,600,000	157,300,000
Traditions Bancorp, Inc.
Schedule of Investments [Line Items]
Proceeds from sales of investment securities available for sale	$ 98,000,000.0	97,700,000
U.S. Government and agencies
Schedule of Investments [Line Items]
Investment securities available for sale, at estimated fair value		59,352,000	59,352,000	143,193,000
Corporate bonds
Schedule of Investments [Line Items]
Investment securities available for sale, at estimated fair value		$ 29,165,000	$ 29,165,000	$ 15,803,000