SECURITIES - Schedule of Amortized Cost and Fair Value of Available-For-Sale Securities and Held-To-Maturity Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Available-for-sale:
Amortized cost, available-for-Sale	$ 1,119,034	$ 1,164,227
Gross Unrealized Gains	424	537
Gross Unrealized Losses	116,155	122,399
Fair Value	1,003,303	1,042,365
Held-to-maturity:
Amortized Cost	582,939	654,539
Gross Unrealized Gains	3,368	9,566
Gross Unrealized Losses	49,032	48,161
Fair Value	537,275	615,944
U.S. Treasury
Available-for-sale:
Amortized cost, available-for-Sale	5,297	16,985
Gross Unrealized Gains	0	0
Gross Unrealized Losses	64	310
Fair Value	5,233	16,675
Held-to-maturity:
Amortized Cost	52,216	89,688
Gross Unrealized Gains	0	0
Gross Unrealized Losses	1,244	2,804
Fair Value	50,972	86,884
Obligations of U.S. government agencies and sponsored entities
Available-for-sale:
Amortized cost, available-for-Sale	109,289	119,868
Gross Unrealized Gains	0	1
Gross Unrealized Losses	13,064	14,946
Fair Value	96,225	104,923
Held-to-maturity:
Amortized Cost	17,950	33,659
Gross Unrealized Gains	0	0
Gross Unrealized Losses	1,417	1,803
Fair Value	16,533	31,856
Tax-exempt and taxable obligations of states and municipal subdivisions
Available-for-sale:
Amortized cost, available-for-Sale	448,463	486,293
Gross Unrealized Gains	240	449
Gross Unrealized Losses	49,171	48,276
Fair Value	399,532	438,466
Held-to-maturity:
Amortized Cost	244,729	246,908
Gross Unrealized Gains	3,368	9,566
Gross Unrealized Losses	15,568	14,697
Fair Value	232,529	241,777
Mortgage-backed securities - residential
Available-for-sale:
Amortized cost, available-for-Sale	298,461	297,735
Gross Unrealized Gains	30	11
Gross Unrealized Losses	33,566	34,430
Fair Value	264,925	263,316
Held-to-maturity:
Amortized Cost	127,492	141,573
Gross Unrealized Gains	0	0
Gross Unrealized Losses	15,989	14,237
Fair Value	111,503	127,336
Mortgage-backed securities - commercial
Available-for-sale:
Amortized cost, available-for-Sale	225,892	198,944
Gross Unrealized Gains	117	76
Gross Unrealized Losses	18,516	20,675
Fair Value	207,493	178,345
Held-to-maturity:
Amortized Cost	130,552	132,711
Gross Unrealized Gains	0	0
Gross Unrealized Losses	13,327	12,334
Fair Value	117,225	120,377
Corporate obligations
Available-for-sale:
Amortized cost, available-for-Sale	31,632	41,347
Gross Unrealized Gains	37	0
Gross Unrealized Losses	1,774	3,750
Fair Value	29,895	37,597
Held-to-maturity:
Amortized Cost	10,000	10,000
Gross Unrealized Gains	0	0
Gross Unrealized Losses	1,487	2,286
Fair Value	$ 8,513	7,714
Other
Available-for-sale:
Amortized cost, available-for-Sale		3,055
Gross Unrealized Gains		0
Gross Unrealized Losses		12
Fair Value		$ 3,043