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Income Taxes - Schedule of Effective Income Tax Reconciliation (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
Income Tax Disclosure [Abstract]                      
Expected income tax expense (benefit) at statutory rate                 $ (45,451) $ (155,106) $ 123,368
Differences between expected and actual income tax expense:                      
Impairment of goodwill                 0 92,034 0
State tax, after Federal tax benefit                 (2,867) (1,084) 5,639
Provision for liability for uncertain tax positions                 18,205 47 4,935
Provision for liability for intra-entity transactions                 4,700 6,037 7,283
Non-deductible regulatory settlements                 700 53,375 0
Other permanent differences                 (463) (254) (636)
Foreign tax differential                 41,695 27,799 (112,997)
Provision for valuation allowance on deferred tax assets [1]                 97,069 3,601 15,764
Other                 3,263 (53) (1,295)
Total $ 94,985 $ 10,832 $ 2,594 $ 8,440 $ 2,022 $ 2,992 $ 10,165 $ 11,217 $ 116,851 $ 26,396 $ 42,061
[1] The provision for valuation allowance in 2015 primarily relates to the recording of the valuation allowance on both the U.S. and USVI net deferred tax assets as of December 31, 2015. Also included in the provision for valuation allowance is the reversal of a portion of the valuation allowance previously recorded on taxable losses earned by OMS which were taxable in the U.S. as effectively connected income (ECI), which is equal to the positive taxable income that is expected to be generated for ECI purposes for the year ended December 31, 2015.