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INVESTMENT SECURITIES (Gross Realized Gains and Losses by Category) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items]
Sale Price	$ 242,126	$ 2,174	$ 320,984
Investment securities | US Treasury securities
Debt Securities, Available-for-sale [Line Items]
Sale Price	242,126
Book Value at Sale	242,373
Gross Gains	0
Gross Losses	$ 247
Mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Sale Price			320,984
Book Value at Sale		2,200	316,256
Gross Losses			0
Mortgage-backed securities | GNMA certificates
Debt Securities, Available-for-sale [Line Items]
Sale Price		2,175	91,413
Book Value at Sale		2,156	89,043
Gross Gains		19	2,370
Gross Losses		$ 0	0
Mortgage-backed securities | FNMA and FHLMC certificates
Debt Securities, Available-for-sale [Line Items]
Sale Price			229,571
Book Value at Sale			227,213
Gross Gains			2,358
Gross Losses			$ 0

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Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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