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INVESTMENT SECURITIES (Investment Securities by Contractual Maturity - HTM) (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | $ 540,774 | $ 367,507
Gross Unrealized Gains | 0 |
Gross Unrealized Losses | 69,056 |
Fair Value | $ 471,718 | 363,653
Weighted Average Yield | 2.30% |
Due after 10 years | Mortgage-backed securities | FNMA and FHLMC certificates |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | $ 343,549 | 367,507
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 66,089 | 3,854
Fair Value | $ 277,460 | $ 363,653
Weighted Average Yield | 1.70% | 1.71%
Due from 1 to 5 years | Investment securities | US Treasury securities |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | $ 197,225 |
Gross Unrealized Gains | 0 |
Gross Unrealized Losses | 2,967 |
Fair Value | $ 194,258 |
Weighted Average Yield | 3.36% |

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