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INVESTMENT SECURITIES AVAILABLE FOR SALE (Schedule of Amortized Cost and Approximate Fair Value of Securities Available for Sale) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 615,396	$ 389,424
Gross Unrealized Gains	8,768	2,511
Gross Unrealized Losses	(1,475)	(1,180)
Fair Value	622,689	390,755
U.S. Treasuries [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	2,613
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Fair Value	2,613
U.S. Government-Sponsored Agencies [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	84,424	34,961
Gross Unrealized Gains	2	37
Gross Unrealized Losses	(655)	(214)
Fair Value	83,771	34,784
Mortgage-Backed Securities-Residential [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	467,915	337,489
Gross Unrealized Gains	8,604	2,365
Gross Unrealized Losses	(461)	(950)
Fair Value	476,058	338,904
SBA Pool Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	49,457	2,799
Gross Unrealized Gains	31	0
Gross Unrealized Losses	(359)	(15)
Fair Value	49,129	2,784
State and Political Subdivisions [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	7,987	11,175
Gross Unrealized Gains	102	41
Gross Unrealized Losses	0	(1)
Fair Value	8,089	11,215
Corporate Bond [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	3,000	3,000
Gross Unrealized Gains	29	68
Gross Unrealized Losses	0	0
Fair Value	$ 3,029	$ 3,068

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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