INVESTMENT SECURITIES - Continuous Unrealized Loss on Position (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Available-for-sale Securities
Less than 12 months, gross unrealized losses	$ (579)	$ (95,493)
Less than 12 months, fair value	135,407	1,187,577
12 months or more, gross unrealized losses	(115,685)	(35,604)
12 months or more, fair value	1,055,874	146,230
Total gross unrealized losses	(116,264)	(131,097)
Total fair value	1,191,281	1,333,807
Residential
Available-for-sale Securities
Less than 12 months, gross unrealized losses	(3)	(8,845)
Less than 12 months, fair value	1,145	191,398
12 months or more, gross unrealized losses	(10,457)	(1,338)
12 months or more, fair value	177,393	5,763
Total gross unrealized losses	(10,460)	(10,183)
Total fair value	178,538	197,161
Commercial
Available-for-sale Securities
Less than 12 months, gross unrealized losses	0	(5,729)
Less than 12 months, fair value	61	41,416
12 months or more, gross unrealized losses	(7,479)	(3,633)
12 months or more, fair value	47,695	14,619
Total gross unrealized losses	(7,479)	(9,362)
Total fair value	47,756	56,035
Residential
Available-for-sale Securities
Less than 12 months, gross unrealized losses	(368)	(27,789)
Less than 12 months, fair value	83,815	498,333
12 months or more, gross unrealized losses	(33,171)	(11,633)
12 months or more, fair value	348,914	45,689
Total gross unrealized losses	(33,539)	(39,422)
Total fair value	432,729	544,022
Commercial
Available-for-sale Securities
Less than 12 months, gross unrealized losses	0	(4,787)
Less than 12 months, fair value	0	56,671
12 months or more, gross unrealized losses	(6,059)	(2,603)
12 months or more, fair value	57,397	13,848
Total gross unrealized losses	(6,059)	(7,390)
Total fair value	57,397	70,519
Municipal bonds
Available-for-sale Securities
Less than 12 months, gross unrealized losses	(73)	(44,513)
Less than 12 months, fair value	7,489	350,918
12 months or more, gross unrealized losses	(47,780)	(13,326)
12 months or more, fair value	364,775	46,377
Total gross unrealized losses	(47,853)	(57,839)
Total fair value	372,264	397,295
Held-to-Maturity Securities
Less than 12 months, gross unrealized losses	0	(56)
Less than 12 months, fair value	0	2,385
12 months or more, gross unrealized losses	(40)	0
12 months or more, fair value	2,331	0
HTM securities in unrealized loss position, gross unrealized losses	(40)	(56)
HTM securities in unrealized loss position, gross unrealized losses, fair value	2,331	2,385
Corporate debt securities
Available-for-sale Securities
Less than 12 months, gross unrealized losses	0	(3,801)
Less than 12 months, fair value	0	32,871
12 months or more, gross unrealized losses	(7,098)	0
12 months or more, fair value	28,513	0
Total gross unrealized losses	(7,098)	(3,801)
Total fair value	28,513	32,871
U.S. Treasury securities
Available-for-sale Securities
Less than 12 months, gross unrealized losses	0	0
Less than 12 months, fair value	0	0
12 months or more, gross unrealized losses	(2,474)	(3,071)
12 months or more, fair value	20,184	19,934
Total gross unrealized losses	(2,474)	(3,071)
Total fair value	20,184	19,934
Agency debentures
Available-for-sale Securities
Less than 12 months, gross unrealized losses	(135)	(29)
Less than 12 months, fair value	42,897	15,970
12 months or more, gross unrealized losses	(1,167)	0
12 months or more, fair value	11,003	0
Total gross unrealized losses	(1,302)	(29)
Total fair value	$ 53,900	$ 15,970

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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