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INVESTMENT SECURITIES (Schedule of Amortized Cost and Approximate Fair Value of Securities Available for Sale) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Securities Available for Sale:
Amortized Cost	$ 645,169	$ 661,045
Gross Unrealized Gains	5	28
Gross Unrealized Losses	(104,655)	(106,425)
Fair Value	540,519	554,648
Securities Held to Maturity:
Amortized Cost	110,438	102,291
Gross Unrealized Losses	(14,937)	(15,104)
Fair Value	95,501	87,187
U.S. Government-Sponsored Agencies [Member]
Securities Available for Sale:
Amortized Cost	244,784	244,774
Gross Unrealized Losses	(51,655)	(54,232)
Fair Value	193,129	190,542
Securities Held to Maturity:
Amortized Cost	40,000	40,000
Gross Unrealized Losses	(4,248)	(4,563)
Fair Value	35,752	35,437
Mortgage-Backed Securities-Residential [Member]
Securities Available for Sale:
Amortized Cost	359,347	372,471
Gross Unrealized Gains	5	27
Gross Unrealized Losses	(46,826)	(46,760)
Fair Value	312,526	325,738
Securities Held to Maturity:
Amortized Cost	70,438	62,291
Gross Unrealized Losses	(10,689)	(10,541)
Fair Value	59,749	51,750
SBA Pool Securities [Member]
Securities Available for Sale:
Amortized Cost	29,184	31,934
Gross Unrealized Gains		1
Gross Unrealized Losses	(4,306)	(4,508)
Fair Value	24,878	27,427
State and Political Subdivisions [Member]
Securities Available for Sale:
Amortized Cost	1,854	1,866
Gross Unrealized Losses	(6)	(17)
Fair Value	1,848	1,849
Corporate Bond [Member]
Securities Available for Sale:
Amortized Cost	10,000	10,000
Gross Unrealized Losses	(1,862)	(908)
Fair Value	$ 8,138	$ 9,092

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