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INVESTMENT SECURITIES - Available for sale securities (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2026	Dec. 31, 2025
AVAILABLE-FOR-SALE SECURITIES:
Amortized Cost	$ 552,461	$ 560,430
Gross Unrealized Gains	1,227	1,841
Gross Unrealized Losses	39,842	38,440
Fair Value	513,846	523,831
Agency mortgage-backed securities
AVAILABLE-FOR-SALE SECURITIES:
Amortized Cost	320,297	325,618
Gross Unrealized Gains	380	805
Gross Unrealized Losses	25,920	25,174
Fair Value	294,757	301,249
Agency collateralized mortgage obligations
AVAILABLE-FOR-SALE SECURITIES:
Amortized Cost	119,018	120,465
Gross Unrealized Gains	771	933
Gross Unrealized Losses	5,930	6,065
Fair Value	113,859	115,333
States and political subdivisions securities
AVAILABLE-FOR-SALE SECURITIES:
Amortized Cost	53,224	53,347
Gross Unrealized Gains	76	89
Gross Unrealized Losses	2,486	2,038
Fair Value	50,814	51,398
Small Business Administration securities
AVAILABLE-FOR-SALE SECURITIES:
Amortized Cost	59,922	61,000
Gross Unrealized Gains		14
Gross Unrealized Losses	5,506	5,163
Fair Value	$ 54,416	$ 55,851

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