Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement Of Income And Comprehensive Income [Abstract]
NET INCOME		$ 8,073	$ 5,710	$ 15,799	$ 11,493
Other comprehensive income:
Net unrealized holding gains (losses) on available for sale securities		(242)	5,946	(9,128)	6,321
Reclassification adjustment for (gains) losses realized in income	[1]	(1)	14	(3)	1
Net unrealized holding gains (losses)		(243)	5,960	(9,131)	6,322
Income tax effect		38	(2,087)	1,905	(2,215)
Other comprehensive income (loss), net of tax		(205)	3,873	(7,226)	4,107
TOTAL COMPREHENSIVE INCOME		$ 7,868	$ 9,583	$ 8,573	$ 15,600

[1] Pre-tax reclassification adjustments relating to available-for-sale securities are reported in security gains and the tax impact is included in income tax expense on the consolidated statements of income.