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Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Current:                      
Federal                 $ 46,680 $ (20,824) $ 58,507
State                 1,079 (403) 14,691
Foreign                 161 9,195 15,545
Current Income Tax Expense (Benefit)                 47,920 (12,032) 88,743
Deferred:                      
Federal                 (27,173) 41,986 (53,711)
State                 (3,719) (997) (4,325)
Foreign                 2,754 (6,162) (4,410)
Provision for valuation allowance on deferred tax assets                 97,069 3,601 15,764
Deferred Income Tax Expense (Benefit)                 68,931 38,428 (46,682)
Total $ 94,985 $ 10,832 $ 2,594 $ 8,440 $ 2,022 $ 2,992 $ 10,165 $ 11,217 $ 116,851 $ 26,396 $ 42,061