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INCOME TAXES (Schedule of Total Income Tax Expense Differed from Amounts Computed by Applying U.S. Federal Income Tax Rate to Income Before Taxes) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Computed “expected” tax expense									$ 13,886	$ 12,121	$ 19,008
(Decrease)/increase in taxes resulting from:
Tax-exempt income									(431)	(402)	(584)
State income taxes, net of Federal benefit									2,540	2,942	1,514
Impact of state tax reform, net of Federal benefit									2,954
Bank owned life insurance income									(277)	(290)	(475)
Life insurance expense									234	148	479
Gain on death benefit										(630)
Interest disallowance									146	115	124
Meals and entertainment expense									40	25	76
Stock-based compensation									(46)	(481)	(982)
Impact of Federal tax reform											(1,648)
Other									(358)	2	298
Total income tax expense	$ 5,555	$ 5,216	$ 3,421	$ 4,496	$ 2,887	$ 3,617	$ 3,832	$ 3,214	$ 18,688	$ 13,550	$ 17,810

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