CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 27,469	$ 20,017
OTHER COMPREHENSIVE INCOME
Change in fair value of derivatives used for cash flow hedges	199	28
Reclassification amount for derivative losses realized in income	26	66
Change in unrealized gain (loss) on available-for-sale debt securities (2018), debt and equity securities (2017)	(2,117)	706
Adjustment for adoption of ASU 2016-01	(428)
Change in unrealized gain on available-for-sale debt security for which a portion of an other-than-temporary impairment has been recognized in earnings	(2)	53
Total other comprehensive (loss) income before income tax	(2,322)	853
Tax effect	489	(299)
Total other comprehensive (loss) income, net of tax	(1,833)	554
COMPREHENSIVE INCOME	$ 25,636	$ 20,571

Represents the effect of adoption of accounting pronouncement 2016-01 in accumulated other comprehensive income (loss).

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Before tax amount of unrealized losses (gains) on debt securities available for sale for which a portion of an other-than-temporary impairment has been recognized in earnings.

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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 before tax of other comprehensive income (loss) attributable to parent entity.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount before tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

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Amount of tax expense (benefit) allocated to other comprehensive income (loss) attributable to parent entity.

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

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