Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Details)

v3.4.0.3
Income Taxes - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Income Tax Expense (Benefit), Continuing Operations [Abstract]    
Income tax benefit $ (4,882) $ (103,574)
Effective tax rate 2.50% 28.90%
Federal statutory income tax rate 35.00%  
Valuation allowance $ 60,000 $ 22,500
Minimum    
Income Tax Expense (Benefit), Continuing Operations [Abstract]    
Tax years under examination 2012  
Maximum    
Income Tax Expense (Benefit), Continuing Operations [Abstract]    
Tax years under examination 2015