v2.4.0.8
Stockholders' Equity and Stock-Based Compensation Restricted Stock Unit Activity (Details) (Restricted Stock Units (RSUs) [Member], USD $)
6 Months Ended
Jun. 30, 2014
Restricted Stock Units (RSUs) [Member]
 
Restricted Stock Units [Abstract]  
Equity Instruments Other than Options, Nonvested, Number 41,648,055
Equity Instruments Other than Options, Grants in Period 18,257,977
Equity Instruments Other than Options, Vested in Period (8,107,006)
Equity Instruments Other than Options, Forfeited in Period (7,556,342)
Equity Instruments Other than Options, Nonvested, Number 44,242,684
Weighted Average Grant Date Fair Value [Abstract]  
Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 8.06
Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 8.17
Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value $ 7.71
Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value $ 8.21
Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 8.17