Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement of Comprehensive Income [Abstract]
NET INCOME	$ 9,236	$ 7,246	$ 24,774	$ 20,409
Net change in fair value of interest rate swap agreements designated as cash flow hedges:
Unrealized gain (loss) on interest rate swaps, net of tax of $0 for the three months ended September 30, 2018 and 2017, and ($4) and $1 for the nine months ended September 30, 2018 and 2017	1	0	16	(2)
Reclassification adjustment for losses recognized in earnings, net of tax of ($9) and ($25) for the three months ended September 30, 2018 and 2017, and ($31) and ($77) for the nine months ended September 30, 2018 and 2017	35	46	118	143
Net change in fair value of interest rate swap agreements designated as cash flow hedges	36	46	134	141
Unrealized gains on other-than-temporarily impaired securities available for sale:
Unrealized losses arising during the period, net of tax of $0 for the three months ended September 30, 2018 and 2017, and $0 and ($47) for the nine months ended September 30, 2018 and 2017	0	0	0	87
Reclassification adjustment for realized gains included in net income, net of tax of $0 for the three months ended September 30, 2018 and 2017, and $0 and $484 for the nine months ended September 30, 2018 and 2017	0	0	0	(899)
Unrealized gains on other-than-temporarily impaired securities available for sale net of reclassification adjustment for realized gains (losses) included in net income	0	0	0	(812)
Unrealized gains on other securities available for sale:
Unrealized (losses) gains arising during the period, net of tax of $653 and $433 for the three months ended September 30, 2018 and 2017, and $2,010 and ($1,111) for the nine months ended September 30, 2018 and 2017	(2,459)	(814)	(7,562)	2,059
Reclassification adjustment for realized gains included in net income, net of tax of $0 and $2 for the three months ended September 30, 2018 and 2017, and $0 and $56 for the nine months ended September 30, 2018 and 2017	0	(3)	0	(104)
Unrealized gain on other securities available-for-sale	(2,459)	(817)	(7,562)	1,955
Other comprehensive income (loss)	(2,423)	(771)	(7,428)	1,284
COMPREHENSIVE INCOME	$ 6,813	$ 6,475	$ 17,346	$ 21,693