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INVESTMENT SECURITIES (Schedule of amortized cost and fair value of securities available-for-sale) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Schedule of Available-for-sale Securities [Line Items]
Investment securities available for sale, at fair value	$ 423,265	$ 566,624
Available-for-sale Securities.
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	512,917	578,608
Gross Unrealized/Unrecognized Gains		842
Gross Unrealized/Unrecognized Losses	(89,652)	(12,826)
Investment securities available for sale, at fair value	423,265	566,624
Available-for-sale Securities. | U.S. Government agency securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	67,995	67,994
Gross Unrealized/Unrecognized Gains		0
Gross Unrealized/Unrecognized Losses	(9,163)	(1,660)
Investment securities available for sale, at fair value	58,832	66,334
Available-for-sale Securities. | U.S. State and Municipal securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	11,687	11,799
Gross Unrealized/Unrecognized Gains		0
Gross Unrealized/Unrecognized Losses	(2,696)	(300)
Investment securities available for sale, at fair value	8,991	11,499
Available-for-sale Securities. | Residential MBS
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	412,754	476,393
Gross Unrealized/Unrecognized Gains		623
Gross Unrealized/Unrecognized Losses	(75,513)	(10,465)
Investment securities available for sale, at fair value	337,241	466,551
Available-for-sale Securities. | Commercial MBS
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	16,310	17,787
Gross Unrealized/Unrecognized Gains		219
Gross Unrealized/Unrecognized Losses	(2,101)	(379)
Investment securities available for sale, at fair value	14,209	17,627
Available-for-sale Securities. | Asset-backed Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	4,171	4,635
Gross Unrealized/Unrecognized Gains		0
Gross Unrealized/Unrecognized Losses	(179)	(22)
Investment securities available for sale, at fair value	$ 3,992	$ 4,613

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) 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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