SECURITIES (Available for Sale securities in continuous unrealized loss position) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) holding	Dec. 31, 2022 USD ($) holding	Dec. 31, 2021 USD ($)
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | holding	163	173
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 1,620	$ 333,099
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	18	35,411
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	1,328,959	1,062,964
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(125,618)	(132,268)
Debt Securities, Available-for-sale, Unrealized Loss Position	1,330,579	1,396,063
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(125,636)	(167,679)
Equity Securities, FV-NI, Realized Gain (Loss)	$ 197	$ 0	$ 192
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | holding	115	123
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 1,091	$ 155,944
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	11	15,186
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	273,447	154,653
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(37,235)	(30,248)
Debt Securities, Available-for-sale, Unrealized Loss Position	274,538	310,597
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ (37,246)	$ (45,434)
Agency collateralized mortgage obligations [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | holding	12	13
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 339	$ 38,843
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	2	3,031
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	31,682	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(2,528)	0
Debt Securities, Available-for-sale, Unrealized Loss Position	32,021	38,843
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ (2,530)	$ (3,031)
Pooled Trust Preferred Securities Issued By Banks And Insurers [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | holding	1	1
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 0	$ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	0	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	1,018	1,034
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(170)	(169)
Debt Securities, Available-for-sale, Unrealized Loss Position	1,018	1,034
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ (170)	$ (169)
US Treasury Securities [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | holding	17	18
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 0	$ 43,035
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss		6,350
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	769,102	748,306
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(55,495)	(76,344)
Debt Securities, Available-for-sale, Unrealized Loss Position	769,102	791,341
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ (55,495)	$ (82,694)
US Government Agencies Debt Securities [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | holding	9	9
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 0	$ 60,575
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss		7,292
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	207,138	141,725
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(23,060)	(21,344)
Debt Securities, Available-for-sale, Unrealized Loss Position	207,138	202,300
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ (23,060)	$ (28,636)
US States and Political Subdivisions Debt Securities [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | holding	1	1
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 190	$ 191
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	5	2
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	0	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Debt Securities, Available-for-sale, Unrealized Loss Position	190	191
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ (5)	$ (2)
Small Business Administration Pooled Securities [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | holding	8	8
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 0	$ 34,511
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	0	3,550
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	46,572	17,246
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(7,130)	(4,163)
Debt Securities, Available-for-sale, Unrealized Loss Position	46,572	51,757
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ (7,130)	$ (7,713)