Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
NET INCOME	$ 215,713	$ 92,940	$ 96,814
OTHER COMPREHENSIVE (LOSS) INCOME
Unrealized holding (losses) gains arising during the period on available-for-sale securities	(13,626)	2,645	(14,797)
Less: Reclassification adjustment for realized gains included in net income	61	1,059	5,848
Other comprehensive (loss) income, before tax effect	(13,687)	1,586	(20,645)
Less: Tax effect of other comprehensive (loss) income	(3,577)	622	(8,098)
TOTAL OTHER COMPREHENSIVE (LOSS) INCOME	(10,110)	964	(12,547)
COMPREHENSIVE INCOME	$ 205,603	$ 93,904	$ 84,267

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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