INVESTMENT SECURITIES AVAILABLE FOR SALE (Schedule of Amortized Cost and Approximate Fair Value of Securities Available for Sale) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 389,424	$ 381,910
Gross Unrealized Gains	2,511	639
Gross Unrealized Losses	(1,180)	(4,613)
Fair Value	390,755	377,936
U.S. Government-Sponsored Agencies [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	34,961	102,915
Gross Unrealized Gains	37	82
Gross Unrealized Losses	(214)	(984)
Fair Value	34,784	102,013
Mortgage-Backed Securities-Residential [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	337,489	254,383
Gross Unrealized Gains	2,365	418
Gross Unrealized Losses	(950)	(3,439)
Fair Value	338,904	251,362
SBA Pool Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	2,799	3,883
Gross Unrealized Gains
Gross Unrealized Losses	(15)	(44)
Fair Value	2,784	3,839
State and Political Subdivisions [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	11,175	17,729
Gross Unrealized Gains	41	27
Gross Unrealized Losses	(1)	(146)
Fair Value	11,215	17,610
Corporate Bond [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	3,000	3,000
Gross Unrealized Gains	68	112
Gross Unrealized Losses
Fair Value	$ 3,068	$ 3,112

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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Amount, before tax, of unrealized loss 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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Amortized cost of 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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Amount of 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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