SECURITIES AVAILABLE FOR SALE - Summary of Available-for-Sale debt securities (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
AVAILABLE-FOR-SALE DEBT SECURITIES
Amortized Cost	$ 663,937	$ 644,953
Gross Unrealized Gains	165	3,319
Gross Unrealized Losses	(82,805)	(50,848)
Fair value	581,297	597,424
Debt securities - Obligations of US Government-sponsored enterprises
AVAILABLE-FOR-SALE DEBT SECURITIES
Amortized Cost	741	1,113
Gross Unrealized Gains		1
Gross Unrealized Losses	(24)	(12)
Fair value	717	1,102
US Government-sponsored enterprises
AVAILABLE-FOR-SALE DEBT SECURITIES
Amortized Cost	280,679	268,976
Gross Unrealized Gains	1	2,734
Gross Unrealized Losses	(33,660)	(22,168)
Fair value	247,020	249,542
US Government agency
AVAILABLE-FOR-SALE DEBT SECURITIES
Amortized Cost	170,645	163,369
Gross Unrealized Gains	2	347
Gross Unrealized Losses	(18,170)	(9,816)
Fair value	152,477	153,900
Private label
AVAILABLE-FOR-SALE DEBT SECURITIES
Amortized Cost	8,056	11,793
Gross Unrealized Losses	(852)	(794)
Fair value	7,204	10,999
Obligations of states and political subdivisions thereof
AVAILABLE-FOR-SALE DEBT SECURITIES
Amortized Cost	119,292	120,447
Gross Unrealized Gains		4
Gross Unrealized Losses	(27,624)	(15,912)
Fair value	91,668	104,539
Corporate bonds
AVAILABLE-FOR-SALE DEBT SECURITIES
Amortized Cost	84,524	79,255
Gross Unrealized Gains	162	233
Gross Unrealized Losses	(2,475)	(2,146)
Fair value	$ 82,211	$ 77,342

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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