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INVESTMENT SECURITIES - Classified (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Investment securities available for sale
Total available for sale securities	$ 1,462,756	$ 1,314,790
Gross unrealized gains	6,190	5,142
Gross unrealized losses	(90,039)	(112,358)
Fair value	1,378,907	1,207,574
Adjustments	(3,300)	1,900
U.S. government sponsored entities and U.S. agency securities
Investment securities available for sale
Total available for sale securities	16,131	21,655
Gross unrealized gains	21	25
Gross unrealized losses	(1,029)	(1,539)
Fair value	15,123	20,141
Mortgage-backed securities - agency
Investment securities available for sale
Total available for sale securities	1,123,132	938,513
Gross unrealized gains	4,248	3,411
Gross unrealized losses	(78,577)	(94,868)
Fair value	1,048,803	847,056
Mortgage-backed securities - non-agency
Investment securities available for sale
Total available for sale securities	94,974	103,051
Gross unrealized gains	1,456	1,410
Gross unrealized losses	(2,570)	(3,449)
Fair value	93,860	101,012
Asset-backed student loans
Investment securities available for sale
Total available for sale securities	43,341	50,007
Gross unrealized gains	46	66
Gross unrealized losses	(129)	(100)
Fair value	43,258	49,973
State and municipal securities
Investment securities available for sale
Total available for sale securities	77,574	75,597
Gross unrealized gains	289	96
Gross unrealized losses	(4,573)	(6,632)
Fair value	73,290	69,061
Collateralized loan obligations
Investment securities available for sale
Total available for sale securities	47,809	40,365
Gross unrealized gains	86	92
Gross unrealized losses	(50)	(7)
Fair value	47,845	40,450
Corporate securities
Investment securities available for sale
Total available for sale securities	59,795	85,602
Gross unrealized gains	44	42
Gross unrealized losses	(3,111)	(5,763)
Fair value	$ 56,728	$ 79,881

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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).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
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