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INVESTMENT SECURITIES - Unrealized Gain/Loss on Investment (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
AFS
Amortized cost	$ 1,088,950	$ 1,135,504
Gross unrealized gains	352	374
Gross unrealized losses	(101,201)	(115,919)
Fair value	988,101	1,019,959
Residential
AFS
Amortized cost	164,411	174,887
Gross unrealized gains	201	229
Gross unrealized losses	(4,652)	(7,654)
Fair value	159,960	167,462
Commercial
AFS
Amortized cost	54,248	54,620
Gross unrealized gains	0	0
Gross unrealized losses	(5,405)	(6,978)
Fair value	48,843	47,642
Residential collateralized mortgage obligations
AFS
Amortized cost	325,145	349,348
Gross unrealized gains	44	36
Gross unrealized losses	(24,475)	(31,940)
Fair value	300,714	317,444
Commercial collateralized mortgage obligations
AFS
Amortized cost	56,190	59,725
Gross unrealized gains	0	14
Gross unrealized losses	(3,945)	(4,794)
Fair value	52,245	54,945
Municipal bonds
AFS
Amortized cost	426,258	433,162
Gross unrealized gains	107	95
Gross unrealized losses	(54,783)	(54,998)
Fair value	371,582	378,259
HTM
Amortized cost	2,265	2,301
Gross unrealized gains	0	0
Gross unrealized losses	(12)	(28)
Fair value	2,253	2,273
Corporate debt securities
AFS
Amortized cost	31,121	31,136
Gross unrealized gains	0	0
Gross unrealized losses	(5,575)	(6,192)
Fair value	25,546	24,944
U.S. Treasury securities
AFS
Amortized cost	22,129	22,306
Gross unrealized gains	0	0
Gross unrealized losses	(1,631)	(2,319)
Fair value	20,498	19,987
Agency debentures
AFS
Amortized cost	9,448	10,320
Gross unrealized gains	0	0
Gross unrealized losses	(735)	(1,044)
Fair value	$ 8,713	$ 9,276

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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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