Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Components of Income Tax Expense (Details)

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Income Taxes - Schedule of Components of Income Tax Expense (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Current taxes:      
Federal $ 0 $ 0 $ 0
State 12,038,000 (32,579,000) (21,782,000)
Foreign (144,000) (202,000) (383,000)
Total current taxes 11,894,000 (32,781,000) (22,165,000)
Deferred taxes:      
Federal (258,930,000) (564,171,000) (304,179,000)
State 2,355,000 (19,349,000) (19,383,000)
Total deferred taxes (256,575,000) (583,520,000) (323,562,000)
Total income tax expense $ (244,681,000) $ (616,301,000) $ (345,727,000)