SECURITIES (Reconciliation of amortized cost of held to maturity securities) (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Schedule of Held-to-maturity Securities [Line Items]
Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss	$ 1,279,027	$ 1,434,956
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain	522	90
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	(88,816)	(143,245)
Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest	0	0
Fair Value	1,190,733	1,291,801
US Treasury Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss	100,872	100,791
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain	0	0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	(3,748)	(7,769)
Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest	0	0
Fair Value	97,124	93,022
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss	694,903	788,470
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain	339	90
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	(35,827)	(62,198)
Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest	0	0
Fair Value	659,415	726,362
Agency collateralized mortgage obligations [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss	370,698	422,827
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain	0	0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	(44,900)	(65,143)
Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest	0	0
Fair Value	325,798	357,684
Small Business Administration Pooled Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss	112,554	122,868
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain	183	0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	(4,341)	(8,135)
Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest	0	0
Fair Value	$ 108,396	$ 114,733