SECURITIES - Securities Gross (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Less Than 12 Months
Fair Value	$ 67,104	$ 692,782
Unrealized Losses	(745)	(63,580)
More Than 12 Months
Fair Value	1,060,039	536,618
Unrealized Losses	(157,100)	(108,554)
Total
Fair Value	1,127,143	1,229,400
Unrealized Losses	(157,845)	(172,134)
U.S. Government agencies
Less Than 12 Months
Fair Value	3,757	58,462
Unrealized Losses	(73)	(4,034)
More Than 12 Months
Fair Value	87,291	38,959
Unrealized Losses	(11,469)	(7,743)
Total
Fair Value	91,048	97,421
Unrealized Losses	(11,542)	(11,777)
Mortgage Backed Securities - residential
Less Than 12 Months
Fair Value	3,810	234,488
Unrealized Losses	(41)	(19,757)
More Than 12 Months
Fair Value	556,414	379,520
Unrealized Losses	(83,634)	(71,259)
Total
Fair Value	560,224	614,008
Unrealized Losses	(83,675)	(91,016)
Mortgage Backed Securities - commercial
Less Than 12 Months
Fair Value		9,677
Unrealized Losses		(426)
More Than 12 Months
Fair Value	7,483	0
Unrealized Losses	(436)	0
Total
Fair Value	7,483	9,677
Unrealized Losses	(436)	(426)
Collateralized Mortgage Obligations
Less Than 12 Months
Fair Value	12,981	135,135
Unrealized Losses	(303)	(11,331)
More Than 12 Months
Fair Value	164,871	63,792
Unrealized Losses	(28,272)	(13,588)
Total
Fair Value	177,852	198,927
Unrealized Losses	(28,575)	(24,919)
State and municipal obligations
Less Than 12 Months
Fair Value	45,154	233,439
Unrealized Losses	(319)	(24,291)
More Than 12 Months
Fair Value	212,022	41,510
Unrealized Losses	(27,690)	(12,823)
Total
Fair Value	257,176	274,949
Unrealized Losses	(28,009)	(37,114)
Municipal taxable
Less Than 12 Months
Fair Value		18,637
Unrealized Losses		(3,706)
More Than 12 Months
Fair Value	31,958	12,837
Unrealized Losses	(5,599)	(3,141)
Total
Fair Value	31,958	31,474
Unrealized Losses	(5,599)	(6,847)
U.S. Treasury
Less Than 12 Months
Fair Value	1,402	2,944
Unrealized Losses	(9)	(35)
More Than 12 Months
Fair Value	0	0
Unrealized Losses	0	0
Total
Fair Value	1,402	2,944
Unrealized Losses	$ (9)	$ (35)

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