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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Statement of Comprehensive Income [Abstract] |  |  |  |
Net income | $ 57,205 | $ 91,016 | $ 123,120 | $ 138,715
Other comprehensive income (loss): |  |  |  |
Unrealized gains (losses) on investments | 1,293 | (3,180) | 4,317 | (2,507)
Unrealized (losses) gains on cash flow hedges | (8,732) | 18,156 | (33,106) | 2,467
Total unrealized (losses) gains | (7,439) | 14,976 | (28,789) | (40)
Income tax benefit (expense) | 2,855 | (5,840) | 10,995 | (15)
Other comprehensive (loss) income, net of tax benefit (expense) | (4,584) | 9,136 | (17,794) | (55)
Total comprehensive income | $ 52,621 | $ 100,152 | $ 105,326 | $ 138,660

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