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Provision (Benefit) for Income Taxes (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Tax Disclosure [Abstract]      
Effective income tax rate reconciliation, percent 35.00%    
Change in deferred tax assets valuation allowance $ 542,289 $ 4,635 $ 385
Total deferred tax assets 0 $ 179,789  
Federal NOL carryovers $ 822,100