INVESTMENT SECURITIES (Schedule of Amortized Cost and Approximate Fair Value of Securities Available for Sale) (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Securities Available for Sale:
Amortized Cost	$ 915,949	$ 883,874
Gross Unrealized Gains	3,404	1,191
Gross Unrealized Losses	(87,323)	(100,521)
Fair Value	832,030	784,544
Securities Held to Maturity:
Amortized Cost	100,285	101,635
Gross Unrealized Losses	(11,598)	(12,985)
Fair Value	88,687	88,650
U.S. Government-Sponsored Agencies [Member]
Securities Available for Sale:
Amortized Cost	244,818	244,813
Gross Unrealized Losses	(41,420)	(47,899)
Fair Value	203,398	196,914
Securities Held to Maturity:
Amortized Cost	40,000	40,000
Gross Unrealized Losses	(2,112)	(2,666)
Fair Value	37,888	37,334
Mortgage-Backed Securities-Residential [Member]
Securities Available for Sale:
Amortized Cost	629,148	595,789
Gross Unrealized Gains	3,305	1,086
Gross Unrealized Losses	(42,116)	(48,263)
Fair Value	590,337	548,612
Securities Held to Maturity:
Amortized Cost	60,285	61,635
Gross Unrealized Losses	(9,486)	(10,319)
Fair Value	50,799	51,316
SBA Pool Securities [Member]
Securities Available for Sale:
Amortized Cost	26,483	27,772
Gross Unrealized Losses	(2,772)	(3,290)
Fair Value	23,711	24,482
Corporate Bond [Member]
Securities Available for Sale:
Amortized Cost	15,500	15,500
Gross Unrealized Gains	99	105
Gross Unrealized Losses	(1,015)	(1,069)
Fair Value	$ 14,584	$ 14,536

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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