Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v3.5.0.2
Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Mar. 31, 2015
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2016
Dec. 31, 2015
Income Tax [Line Items]              
Income tax expense (benefit) $ 108,260 $ 45,421   $ 217,603 $ 184,350    
Effective income tax rate (as a percent) 38.50% 30.60%   38.70% 46.90%    
Increase in valuation allowance     $ 44,392        
Increase in deferred tax asset   $ 16,945          
Valuation allowance $ 47,773     $ 47,773     $ 49,095
Forecast              
Income Tax [Line Items]              
Effective income tax rate (as a percent)           38.00%