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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	Jun. 30, 2020	Dec. 31, 2019
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 530,581	$ 389,424
Gross Unrealized Gains	9,595	2,511
Gross Unrealized Losses	(434)	(1,180)
Fair Value	539,742	390,755
U.S. Treasuries [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	2,899
Gross Unrealized Gains	3
Gross Unrealized Losses	0
Fair Value	2,902
U.S. Government-Sponsored Agencies [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	59,450	34,961
Gross Unrealized Gains	61	37
Gross Unrealized Losses	(12)	(214)
Fair Value	59,499	34,784
Mortgage-Backed Securities-Residential [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	452,618	337,489
Gross Unrealized Gains	9,331	2,365
Gross Unrealized Losses	(403)	(950)
Fair Value	461,546	338,904
SBA Pool Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	2,522	2,799
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(19)	(15)
Fair Value	2,503	2,784
State and Political Subdivisions [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	10,092	11,175
Gross Unrealized Gains	116	41
Gross Unrealized Losses	0	(1)
Fair Value	10,208	11,215
Corporate Bond [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	3,000	3,000
Gross Unrealized Gains	84	68
Gross Unrealized Losses	0	0
Fair Value	$ 3,084	$ 3,068

X

- Definition

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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