SECURITIES (Schedule of Contractual maturities) (Details) $ in Thousands	Dec. 31, 2023 USD ($)
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost, Total	$ 1,459,862
Available for Sale, Fair Value
Fair Value	1,334,256
Held to Maturity, Amortized Cost
Amortized Cost	1,569,107
Held to Maturity, Fair Value
AvailableForSaleandHeldToMaturityDebtSecuritiesMaturitiesWithinOneYearFairValue	221,603
AvailableForSaleandHeldToMaturityDebtSecuritiesMaturitiesAfterOneThroughFiveYearsFair Value	1,417,081
AvailableForSaleandHeldToMaturityDebtSecuritiesMaturitiesAfterFiveThroughTenYearsFairValue	286,874
AvailableForSaleandHeldToMaturityDebtSecuritiesMaturitiesAfterTenYearsFairValue	826,306
Debt Securities, Available-for-sale and Held-to-maturity	2,751,864
AvailableForSaleandHeldToMaturityDebtSecuritiesMaturitiesWithinOneYearAmortizedCost	227,077
AvailableForSaleandHeldToMaturityDebtSecuritiesMaturitiesAfterOneThroughFiveYearsAmortizedCost	1,544,384
AvailableForSaleandHeldToMaturityDebtSecuritiesMaturitiesAfterFiveThroughTenYearsAmortizedCost	323,702
AvailableForSaleandHeldToMaturityDebtSecuritiesMaturitiesAfterTenYearsAmortizedCost	933,806
AvailableForSaleandHeldToMaturityDebtSecuritiesAmortizedCost	3,028,969
US Government Agencies Debt Securities [Member]
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Due in one year or less	0
Due after one year to five years	199,371
Due after five to ten years	30,827
Due after ten years	0
Debt Securities, Available-for-Sale, Amortized Cost, Total	230,198
Available for Sale, Fair Value
Due in one year or less	0
Due in one year or less	179,973
Due after five to ten years	27,165
Due after ten years	0
Fair Value	207,138
Held to Maturity, Amortized Cost
Due in one year or less	29,521
Due after one year to five years	0
Due after five to ten years	0
Due after ten years	0
Amortized Cost	29,521
Held to Maturity, Fair Value
Due in one year or less	28,408
Due after one year to five years	0
Due after five to ten years	0
Due after ten years	0
Fair Value	28,408
Debt Securities [Member]
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Due in one year or less	197,556
Due after one year to five years	967,822
Due after five to ten years	73,933
Due after ten years	220,551
Available for Sale, Fair Value
Due in one year or less	193,195
Due in one year or less	882,557
Due after five to ten years	64,784
Due after ten years	193,720
Held to Maturity, Amortized Cost
Due in one year or less	29,521
Due after one year to five years	576,562
Due after five to ten years	249,769
Due after ten years	713,255
Held to Maturity, Fair Value
Due in one year or less	28,408
Due after one year to five years	534,524
Due after five to ten years	222,090
Due after ten years	632,586
Fair Value	1,417,608
US Treasury Securities [Member]
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Due in one year or less	197,553
Due after one year to five years	627,044
Due after five to ten years	0
Due after ten years	0
Debt Securities, Available-for-Sale, Amortized Cost, Total	824,597
Available for Sale, Fair Value
Due in one year or less	193,192
Due in one year or less	575,910
Due after five to ten years	0
Due after ten years	0
Fair Value	769,102
Held to Maturity, Amortized Cost
Due in one year or less	0
Due after one year to five years	99,720
Due after five to ten years	992
Due after ten years	0
Amortized Cost	100,712
Held to Maturity, Fair Value
Due in one year or less	0
Due after one year to five years	90,703
Due after five to ten years	832
Due after ten years	0
Fair Value	91,535
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Due in one year or less	3
Due after one year to five years	141,212
Due after five to ten years	40,183
Due after ten years	132,871
Debt Securities, Available-for-Sale, Amortized Cost, Total	314,269
Available for Sale, Fair Value
Due in one year or less	3
Due in one year or less	126,484
Due after five to ten years	34,939
Due after ten years	115,621
Fair Value	277,047
Held to Maturity, Amortized Cost
Due in one year or less	0
Due after one year to five years	411,746
Due after five to ten years	222,825
Due after ten years	194,860
Amortized Cost	829,431
Held to Maturity, Fair Value
Due in one year or less	0
Due after one year to five years	383,514
Due after five to ten years	198,122
Due after ten years	182,092
Fair Value	763,728
Agency collateralized mortgage obligations [Member]
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Due in one year or less	0
Due after one year to five years	0
Due after five to ten years	2,923
Due after ten years	32,790
Debt Securities, Available-for-Sale, Amortized Cost, Total	35,713
Available for Sale, Fair Value
Due in one year or less	0
Due in one year or less	0
Due after five to ten years	2,680
Due after ten years	30,509
Fair Value	33,189
Held to Maturity, Amortized Cost
Due in one year or less	0
Due after one year to five years	63,596
Due after five to ten years	20,210
Due after ten years	393,711
Amortized Cost	477,517
Held to Maturity, Fair Value
Due in one year or less	0
Due after one year to five years	58,934
Due after five to ten years	17,864
Due after ten years	331,113
Fair Value	407,911
US States and Political Subdivisions Debt Securities [Member]
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Due in one year or less	0
Due after one year to five years	195
Due after five to ten years	0
Due after ten years	0
Debt Securities, Available-for-Sale, Amortized Cost, Total	195
Available for Sale, Fair Value
Due in one year or less	0
Due in one year or less	190
Due after five to ten years	0
Due after ten years	0
Fair Value	190
Single issuer trust preferred securities issued by banks [Member]
Held to Maturity, Amortized Cost
Due in one year or less	0
Due after one year to five years	1,500
Due after five to ten years	0
Due after ten years	0
Amortized Cost	1,500
Held to Maturity, Fair Value
Due in one year or less	0
Due after one year to five years	1,373
Due after five to ten years	0
Due after ten years	0
Fair Value	1,373
Pooled Trust Preferred Securities Issued By Banks And Insurers [Member]
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Due in one year or less	0
Due after one year to five years	0
Due after five to ten years	0
Due after ten years	1,188
Debt Securities, Available-for-Sale, Amortized Cost, Total	1,188
Available for Sale, Fair Value
Due in one year or less	0
Due in one year or less	0
Due after five to ten years	0
Due after ten years	1,018
Fair Value	1,018
Small Business Administration Pooled Securities [Member]
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Due in one year or less	0
Due after one year to five years	0
Due after five to ten years	0
Due after ten years	53,702
Debt Securities, Available-for-Sale, Amortized Cost, Total	53,702
Available for Sale, Fair Value
Due in one year or less	0
Due in one year or less	0
Due after five to ten years	0
Due after ten years	46,572
Fair Value	46,572
Held to Maturity, Amortized Cost
Due in one year or less	0
Due after one year to five years	0
Due after five to ten years	5,742
Due after ten years	124,684
Amortized Cost	130,426
Held to Maturity, Fair Value
Due in one year or less	0
Due after one year to five years	0
Due after five to ten years	5,272
Due after ten years	119,381
Fair Value	$ 124,653