SECURITIES AVAILABLE FOR SALE - Summary of Available-for-Sale debt securities (Details) $ in Thousands	Sep. 30, 2025 USD ($)	Dec. 31, 2024 USD ($) loan	Sep. 30, 2024 USD ($)
SECURITIES AVAILABLE FOR SALE
Amortized Cost	$ 650,791	$ 583,316
Gross Unrealized Gains	3,223	5,954
Gross Unrealized Losses	(56,204)	(68,252)
Fair value	597,810	521,018
Allowance		$ (568)	$ 0
Allowance for credit losses, number of corporate notes \| loan		2
Obligations of states and political subdivisions thereof
SECURITIES AVAILABLE FOR SALE
Amortized Cost	120,775	$ 116,421
Gross Unrealized Gains	3	5,564
Gross Unrealized Losses	(18,155)	(16,533)
Fair value	102,623	105,452
Corporate bond
SECURITIES AVAILABLE FOR SALE
Amortized Cost	89,738	100,923
Gross Unrealized Gains	222	290
Gross Unrealized Losses	(3,253)	(7,761)
Fair value	86,707	93,452
Allowance		(568)
Debt securities \| Obligations of US Government-sponsored enterprises
SECURITIES AVAILABLE FOR SALE
Amortized Cost	1,139	1,344
Gross Unrealized Losses	(15)	(26)
Fair value	1,124	1,318
Mortgage-backed securities and collateralized mortgage obligations \| US Government-sponsored enterprises
SECURITIES AVAILABLE FOR SALE
Amortized Cost	276,037	208,818
Gross Unrealized Gains	2,680	22
Gross Unrealized Losses	(23,778)	(31,524)
Fair value	254,939	177,316
Mortgage-backed securities and collateralized mortgage obligations \| US Government agency
SECURITIES AVAILABLE FOR SALE
Amortized Cost	151,116	115,177
Gross Unrealized Gains	309	53
Gross Unrealized Losses	(10,134)	(11,314)
Fair value	141,291	103,916
Mortgage-backed securities and collateralized mortgage obligations \| Private label
SECURITIES AVAILABLE FOR SALE
Amortized Cost	11,986	40,633
Gross Unrealized Gains	9	25
Gross Unrealized Losses	(869)	(1,094)
Fair value	$ 11,126	$ 39,564

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) 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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