FAIR VALUE MEASUREMENTS (Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
ASSETS
Securities available for sale, at fair value	$ 2,608,182	$ 2,231,261
Loans held for sale	11,078	6,710
Financial Derivatives	91,418	93,027
LIABILITIES
Financial Derivatives	170,118	206,561
Fair Value, Inputs, Level 1 [Member]
ASSETS
Securities available for sale, at fair value	62,683	61,311
Loans held for sale	0	0
Financial Derivatives	0	0
LIABILITIES
Financial Derivatives	0	0
Fair Value, Inputs, Level 2 [Member]
ASSETS
Securities available for sale, at fair value	2,545,499	2,169,950
Loans held for sale	11,078	6,710
Financial Derivatives	91,418	93,027
LIABILITIES
Financial Derivatives	170,118	206,561
Fair Value, Inputs, Level 3 [Member]
ASSETS
Securities available for sale, at fair value	0	0
Loans held for sale	0	0
Financial Derivatives	0	0
LIABILITIES
Financial Derivatives	0	0
Fair Value, Recurring [Member]
ASSETS
Loans held for sale	11,078	6,710
Financial Derivatives	91,418	93,027
LIABILITIES
Financial Derivatives	170,118	206,561
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
ASSETS
Loans held for sale	0	0
Financial Derivatives	0	0
LIABILITIES
Financial Derivatives	0	0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
ASSETS
Loans held for sale	11,078	6,710
Financial Derivatives	91,418	93,027
LIABILITIES
Financial Derivatives	170,118	206,561
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
ASSETS
Loans held for sale	0	0
Financial Derivatives	0	0
LIABILITIES
Financial Derivatives	0	0
US Government Agencies Debt Securities [Member]
ASSETS
Securities available for sale, at fair value	66,671	63,356
US Government Agencies Debt Securities [Member] | Fair Value, Recurring [Member]
ASSETS
Securities available for sale, at fair value	66,671	63,356
US Government Agencies Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
ASSETS
Securities available for sale, at fair value	62,683	61,311
US Government Agencies Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
ASSETS
Securities available for sale, at fair value	3,988	2,045
US Government Agencies Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
ASSETS
Securities available for sale, at fair value	0	0
US States and Political Subdivisions Debt Securities [Member]
ASSETS
Securities available for sale, at fair value	488,527	475,447
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member]
ASSETS
Securities available for sale, at fair value	488,527	475,447
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
ASSETS
Securities available for sale, at fair value	0	0
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
ASSETS
Securities available for sale, at fair value	488,527	475,447
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
ASSETS
Securities available for sale, at fair value	0	0
Corporate Bond Securities [Member]
ASSETS
Securities available for sale, at fair value	271,975	241,889
Corporate Bond Securities [Member] | Fair Value, Recurring [Member]
ASSETS
Securities available for sale, at fair value	271,975	241,889
Corporate Bond Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
ASSETS
Securities available for sale, at fair value	0	0
Corporate Bond Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
ASSETS
Securities available for sale, at fair value	271,975	241,889
Corporate Bond Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
ASSETS
Securities available for sale, at fair value	0	0
Collateralized Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member]
ASSETS
Securities available for sale, at fair value	1,779,177	1,448,817
Collateralized Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
ASSETS
Securities available for sale, at fair value	0	0
Collateralized Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
ASSETS
Securities available for sale, at fair value	1,779,177	1,448,817
Collateralized Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
ASSETS
Securities available for sale, at fair value	0	0
Collateralized Securities, Other [Member]
ASSETS
Securities available for sale, at fair value	1,832	1,752
Collateralized Securities, Other [Member] | Fair Value, Recurring [Member]
ASSETS
Securities available for sale, at fair value	1,832	1,752
Collateralized Securities, Other [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
ASSETS
Securities available for sale, at fair value	0	0
Collateralized Securities, Other [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
ASSETS
Securities available for sale, at fair value	1,832	1,752
Collateralized Securities, Other [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
ASSETS
Securities available for sale, at fair value	$ 0	$ 0