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INVESTMENT SECURITIES (Investment Securities by Contractual Maturity - HTM) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 535,070	$ 367,507
Gross Unrealized Gains	0
Gross Unrealized Losses	65,884
Fair Value	$ 469,186	363,653
Weighted Average Yield	2.30%
Due from 1 to 5 years | Investment securities | US Treasury securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 197,635
Gross Unrealized Gains	0
Gross Unrealized Losses	3,526
Fair Value	$ 194,109
Weighted Average Yield	3.36%
Due after 10 years | Mortgage-backed securities | FNMA and FHLMC certificates
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 337,435	367,507
Gross Unrealized Gains	0	0
Gross Unrealized Losses	62,358	3,854
Fair Value	$ 275,077	$ 363,653
Weighted Average Yield	1.71%	1.71%

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