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 Comprehensive Income [Abstract]
NET INCOME	$ 15,838	$ 13,370	$ 31,093	$ 25,682
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Unrealized (losses) gains on securities available for sale	(1,690)	1,029	(7,422)	1,763
Reclassification for securities losses (gains) included in net income	0	9	0	(1,640)
Unrealized gains (losses) on derivatives	53	(121)	336	(107)
Other comprehensive (loss) income	(1,637)	917	(7,086)	16
TOTAL COMPREHENSIVE INCOME	$ 14,201	$ 14,287	$ 24,007	$ 25,698

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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