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INVESTMENT SECURITIES AVAILABLE FOR SALE (Schedule of Amortized Cost and Approximate Fair Value) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 377,654	$ 381,910
Gross Unrealized Gains	2,205	639
Gross Unrealized Losses	(1,020)	(4,613)
Fair Value	378,839	377,936
U.S. Government-Sponsored Entities [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	71,719	102,915
Gross Unrealized Gains	104	82
Gross Unrealized Losses	(32)	(984)
Fair Value	71,791	102,013
Mortgage-Backed Securities-Residential [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	282,924	254,383
Gross Unrealized Gains	1,972	418
Gross Unrealized Losses	(959)	(3,439)
Fair Value	283,937	251,362
SBA Pool Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	3,596	3,883
Gross Unrealized Gains
Gross Unrealized Losses	(9)	(44)
Fair Value	3,587	3,839
State and Political Subdivisions [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	16,415	17,729
Gross Unrealized Gains	48	27
Gross Unrealized Losses	(20)	(146)
Fair Value	16,443	17,610
Corporate Bond [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	3,000	3,000
Gross Unrealized Gains	81	112
Gross Unrealized Losses
Fair Value	$ 3,081	$ 3,112

X

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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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