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Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Current |  |  |
U.S. federal | $ (624) | $ 27,521 | $ 27,338
State | 226 | 1,353 | 1,462
Foreign | (308) | 0 | (261)
Total Current | (706) | 28,874 | 28,539
Deferred |  |  |
U.S. federal | 3,702 | (7,260) | 22,649
State | 107 | (357) | 1,211
Foreign | 2,360 | 1,633 | (2,119)
Total Deferred | 6,169 | (5,984) | 21,741
Changes in valuation allowance | (4,604) | (13,289) | (14,595)
Total | $ 859 | $ 9,601 | $ 35,685

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