INVESTMENT SECURITIES (Investment Securities at an Unrealized Loss Position) (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, Fair Value	$ 43,885	$ 255,136
Less Than 12 Months, Unrecognized Losses	(159)	(3,452)
12 Month or Longer, Fair Value	445,453	436,723
12 Month or Longer, Unrecognized Losses	(75,950)	(103,016)
Total Fair Value	489,338	691,859
Total Unrecognized Losses	76,109	106,468
Schedule of Held-to-Maturity Securities [Line Items]
Less Than 12 Months, Fair Value	0	7,470
Less Than 12 Months, Unrecognized Losses	0	(19)
12 Month or Longer, Fair Value	485,696	499,211
12 Month or Longer, Unrecognized Losses	(66,677)	(90,230)
Total Fair Value	485,696	506,681
Total Unrecognized Losses	(66,677)	(90,249)
States and political subdivisions
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, Fair Value	2,196	4,967
Less Than 12 Months, Unrecognized Losses	(12)	(85)
12 Month or Longer, Fair Value	105,922	107,267
12 Month or Longer, Unrecognized Losses	(24,165)	(30,098)
Total Fair Value	108,118	112,234
Total Unrecognized Losses	24,177	30,183
Schedule of Held-to-Maturity Securities [Line Items]
Less Than 12 Months, Fair Value	0	0
Less Than 12 Months, Unrecognized Losses	0	0
12 Month or Longer, Fair Value	34,699	33,132
12 Month or Longer, Unrecognized Losses	(7,226)	(8,884)
Total Fair Value	34,699	33,132
Total Unrecognized Losses	(7,226)	(8,884)
U.S. Treasury obligations and direct obligations of U.S Government agencies
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, Fair Value	20,687	56,139
Less Than 12 Months, Unrecognized Losses	(48)	(803)
12 Month or Longer, Fair Value	11,976	12,971
12 Month or Longer, Unrecognized Losses	(1,245)	(1,939)
Total Fair Value	32,663	69,110
Total Unrecognized Losses	1,293	2,742
Collateralized loan obligations
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, Fair Value	21,002	31,140
Less Than 12 Months, Unrecognized Losses	(99)	(114)
12 Month or Longer, Fair Value	10,020	0
12 Month or Longer, Unrecognized Losses	(66)	0
Total Fair Value	31,022	31,140
Total Unrecognized Losses	165	114
Residential - U.S. government-sponsored entities and agencies
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, Fair Value	0	135,224
Less Than 12 Months, Unrecognized Losses	0	(2,254)
12 Month or Longer, Fair Value	261,335	260,575
12 Month or Longer, Unrecognized Losses	(38,200)	(55,793)
Total Fair Value	261,335	395,799
Total Unrecognized Losses	38,200	58,047
Schedule of Held-to-Maturity Securities [Line Items]
Less Than 12 Months, Fair Value	0	7,470
Less Than 12 Months, Unrecognized Losses	0	(19)
12 Month or Longer, Fair Value	450,997	466,079
12 Month or Longer, Unrecognized Losses	(59,451)	(81,346)
Total Fair Value	450,997	473,549
Total Unrecognized Losses	(59,451)	(81,365)
Residential - Non-government agencies
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, Fair Value	0	5,270
Less Than 12 Months, Unrecognized Losses	0	(100)
12 Month or Longer, Fair Value	6,954	7,606
12 Month or Longer, Unrecognized Losses	(722)	(961)
Total Fair Value	6,954	12,876
Total Unrecognized Losses	722	1,061
Commercial - Non-government agencies
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, Fair Value	0	12,469
Less Than 12 Months, Unrecognized Losses	0	(90)
12 Month or Longer, Fair Value	49,246	48,304
12 Month or Longer, Unrecognized Losses	(11,552)	(14,225)
Total Fair Value	49,246	60,773
Total Unrecognized Losses	$ 11,552	14,315
Commercial - Non-government agencies
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, Fair Value		9,927
Less Than 12 Months, Unrecognized Losses		(6)
12 Month or Longer, Fair Value		0
12 Month or Longer, Unrecognized Losses		0
Total Fair Value		9,927
Total Unrecognized Losses		$ 6