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Stockholders' Equity - Summary of Restricted Stock Unit and Performance Based Restricted Stock Units Activity under the Company's Equity-Based Plans (Details)
12 Months Ended
Dec. 31, 2016
$ / shares
shares
Restricted Stock Unit  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Number of Units, Beginning Balance | shares 956,687
Number of Units, Granted | shares 2,281,998
Number of Units, Vested | shares (695,253)
Number of Units, Forfeited | shares (220,381)
Number of Units, Ending Balance | shares 2,323,051
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]  
Weighted Average Grant Date Fair Value, Beginning Balance | $ / shares $ 28.03
Weighted Average Grant Date Fair Value, Granted | $ / shares 18.25
Weighted Average Grant Date Fair Value, Vested | $ / shares 23.52
Weighted Average Grant Date Fair Value, Forfeited | $ / shares 22.29
Weighted Average Grant Date Fair Value, Ending Balance | $ / shares $ 20.32
Performance-based restricted stock units  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Number of Units, Beginning Balance | shares 173,286
Number of Units, Granted | shares 0
Number of Units, Vested | shares 0
Number of Units, Forfeited | shares (23,874)
Number of Units, Ending Balance | shares 149,412
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]  
Weighted Average Grant Date Fair Value, Beginning Balance | $ / shares $ 33.51
Weighted Average Grant Date Fair Value, Granted | $ / shares 0.00
Weighted Average Grant Date Fair Value, Vested | $ / shares 0.00
Weighted Average Grant Date Fair Value, Forfeited | $ / shares 33.51
Weighted Average Grant Date Fair Value, Ending Balance | $ / shares $ 33.51