SECURITIES - Schedule of Securities Classified as Available-for-Sale and Held-to-Maturity with Unrealized Losses (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Debt and Equity Securities, FV-NI [Line Items]
Available-for-sale, fair value, less than 12 months	$ 106,866	$ 27,175
Available-for-sale, unrealized losses, less than 12 months	3,568	1,545
Available-for-sale, fair value, 12 months or longer	851,015	980,148
Available-for-sale, unrealized losses, 12 months or longer	112,587	120,854
Available-for-sale, fair value, total	957,881	1,007,323
Available-for-sale, unrealized losses, total	116,155	122,399
Held-to-maturity, fair value, less than 12 months	46,717	12,139
Held-to-maturity, unrealized losses, less than 12 months	1,024	3,956
Held-to-maturity, fair value, 12 months or longer	401,620	463,980
Held-to-maturity, unrealized losses, 12 months or longer	48,008	44,205
Held-to-maturity, fair value, total	448,337	476,119
Held-to-maturity, unrealized losses, total	49,032	48,161
U.S. Treasury
Debt and Equity Securities, FV-NI [Line Items]
Available-for-sale, fair value, less than 12 months	0	0
Available-for-sale, unrealized losses, less than 12 months	0	0
Available-for-sale, fair value, 12 months or longer	5,233	16,675
Available-for-sale, unrealized losses, 12 months or longer	64	310
Available-for-sale, fair value, total	5,233	16,675
Available-for-sale, unrealized losses, total	64	310
Held-to-maturity, fair value, less than 12 months	0	0
Held-to-maturity, unrealized losses, less than 12 months	0	0
Held-to-maturity, fair value, 12 months or longer	50,972	86,884
Held-to-maturity, unrealized losses, 12 months or longer	1,244	2,804
Held-to-maturity, fair value, total	50,972	86,884
Held-to-maturity, unrealized losses, total	1,244	2,804
Obligations of U.S. government agencies and sponsored entities
Debt and Equity Securities, FV-NI [Line Items]
Available-for-sale, fair value, less than 12 months	262	123
Available-for-sale, unrealized losses, less than 12 months	1	0
Available-for-sale, fair value, 12 months or longer	95,958	104,495
Available-for-sale, unrealized losses, 12 months or longer	13,063	14,946
Available-for-sale, fair value, total	96,220	104,618
Available-for-sale, unrealized losses, total	13,064	14,946
Held-to-maturity, fair value, less than 12 months	761	747
Held-to-maturity, unrealized losses, less than 12 months	24	5
Held-to-maturity, fair value, 12 months or longer	15,772	31,109
Held-to-maturity, unrealized losses, 12 months or longer	1,393	1,798
Held-to-maturity, fair value, total	16,533	31,856
Held-to-maturity, unrealized losses, total	1,417	1,803
Tax-exempt and taxable obligations of states and municipal subdivisions
Debt and Equity Securities, FV-NI [Line Items]
Available-for-sale, fair value, less than 12 months	32,717	20,879
Available-for-sale, unrealized losses, less than 12 months	2,174	1,479
Available-for-sale, fair value, 12 months or longer	349,879	389,113
Available-for-sale, unrealized losses, 12 months or longer	46,997	46,797
Available-for-sale, fair value, total	382,596	409,992
Available-for-sale, unrealized losses, total	49,171	48,276
Held-to-maturity, fair value, less than 12 months	45,064	10,472
Held-to-maturity, unrealized losses, less than 12 months	970	3,949
Held-to-maturity, fair value, 12 months or longer	98,527	91,480
Held-to-maturity, unrealized losses, 12 months or longer	14,598	10,748
Held-to-maturity, fair value, total	143,591	101,952
Held-to-maturity, unrealized losses, total	15,568	14,697
Mortgage-backed securities: residential
Debt and Equity Securities, FV-NI [Line Items]
Available-for-sale, fair value, less than 12 months	40,448	222
Available-for-sale, unrealized losses, less than 12 months	451	2
Available-for-sale, fair value, 12 months or longer	222,555	262,012
Available-for-sale, unrealized losses, 12 months or longer	33,115	34,428
Available-for-sale, fair value, total	263,003	262,234
Available-for-sale, unrealized losses, total	33,566	34,430
Held-to-maturity, fair value, less than 12 months	0	0
Held-to-maturity, unrealized losses, less than 12 months	0	0
Held-to-maturity, fair value, 12 months or longer	111,503	127,336
Held-to-maturity, unrealized losses, 12 months or longer	15,989	14,237
Held-to-maturity, fair value, total	111,503	127,336
Held-to-maturity, unrealized losses, total	15,989	14,237
Mortgage-backed securities: commercial
Debt and Equity Securities, FV-NI [Line Items]
Available-for-sale, fair value, less than 12 months	33,439	2,896
Available-for-sale, unrealized losses, less than 12 months	942	52
Available-for-sale, fair value, 12 months or longer	152,532	170,256
Available-for-sale, unrealized losses, 12 months or longer	17,574	20,623
Available-for-sale, fair value, total	185,971	173,152
Available-for-sale, unrealized losses, total	18,516	20,675
Held-to-maturity, fair value, less than 12 months	892	920
Held-to-maturity, unrealized losses, less than 12 months	30	2
Held-to-maturity, fair value, 12 months or longer	116,333	119,457
Held-to-maturity, unrealized losses, 12 months or longer	13,297	12,332
Held-to-maturity, fair value, total	117,225	120,377
Held-to-maturity, unrealized losses, total	13,327	12,334
Corporate obligations
Debt and Equity Securities, FV-NI [Line Items]
Available-for-sale, fair value, less than 12 months	0	0
Available-for-sale, unrealized losses, less than 12 months	0	0
Available-for-sale, fair value, 12 months or longer	24,858	37,597
Available-for-sale, unrealized losses, 12 months or longer	1,774	3,750
Available-for-sale, fair value, total	24,858	37,597
Available-for-sale, unrealized losses, total	1,774	3,750
Held-to-maturity, fair value, less than 12 months	0	0
Held-to-maturity, unrealized losses, less than 12 months	0	0
Held-to-maturity, fair value, 12 months or longer	8,513	7,714
Held-to-maturity, unrealized losses, 12 months or longer	1,487	2,286
Held-to-maturity, fair value, total	8,513	7,714
Held-to-maturity, unrealized losses, total	$ 1,487	2,286
Other
Debt and Equity Securities, FV-NI [Line Items]
Available-for-sale, fair value, less than 12 months		3,055
Available-for-sale, unrealized losses, less than 12 months		12
Available-for-sale, fair value, 12 months or longer		0
Available-for-sale, unrealized losses, 12 months or longer		0
Available-for-sale, fair value, total		3,055
Available-for-sale, unrealized losses, total		$ 12