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Incentive Based Compensation (Details 1-Restricted) - $ / shares
9 Months Ended
Sep. 30, 2017
Dec. 31, 2016
Incentive Based Compensation Plans [Abstract]    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value $ 6.07  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures 799,591  
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price $ 15.80  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 10,407,638 11,915,533
Restricted Stock    
Beginning year unvested restricted stock 6,933,533  
Granted restricted stock 4,062,520  
Vested restricted stock (2,254,525)  
Forfeited restricted stock (946,431)  
End of period unvested restricted stock 7,795,097  
Beginning year weighted average grant date fair value unvested restricted stock $ 14.44  
Granted restricted stock weighted average grant date fair value restricted stock 16.20  
Vested restricted stock weighted average grant date fair value restricted stock 17.76  
Forfeited restricted stock weighted average grant date fair value restricted stock 15.16  
End of period weighted average grant date fair value unvested restricted stock $ 14.31  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (8,666)  
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price $ 7.22  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period (2,298,820)  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price $ 33.32  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 25.57 $ 27.71