Annual report pursuant to Section 13 and 15(d)

Stock-based Compensation - Equity Instruments Other than Options Activity (Details)

v3.3.1.900
Stock-based Compensation - Equity Instruments Other than Options Activity (Details) - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
RSAs      
Number of Shares      
Outstanding, beginning of period (shares) 912    
Granted (shares) 145    
Vested (shares) (577)    
Forfeited/expired (shares) 0    
Outstanding, end of period (shares) 480 912  
Weighted-average Grant Date Fair Value per Share      
Outstanding, end of period (usd per share) $ 2.51    
Granted, weighted average grant date fair value (usd per share) 4.10 $ 1.64 $ 2.32
Vested, weighted average grant date fair value (usd per share) 2.27    
Forfeited/Expired, weighted average exercise price per share (usd per share) 0.00    
Outstanding, beginning of period (usd per share) $ 3.29 $ 2.51  
RSUs      
Number of Shares      
Outstanding, beginning of period (shares) 1,052    
Granted (shares) 339    
Vested (shares) (711)    
Forfeited/expired (shares) (135)    
Outstanding, end of period (shares) 545 1,052  
Weighted-average Grant Date Fair Value per Share      
Outstanding, end of period (usd per share) $ 2.22    
Granted, weighted average grant date fair value (usd per share) 3.65 $ 2.14 1.80
Vested, weighted average grant date fair value (usd per share) 2.09    
Forfeited/Expired, weighted average exercise price per share (usd per share) 2.73    
Outstanding, beginning of period (usd per share) $ 3.15 $ 2.22  
PSUs      
Number of Shares      
Outstanding, beginning of period (shares) 749    
Granted (shares) 684    
Vested (shares) (195)    
Forfeited/expired (shares) (249)    
Outstanding, end of period (shares) 989 749  
Weighted-average Grant Date Fair Value per Share      
Outstanding, end of period (usd per share) $ 2.00    
Granted, weighted average grant date fair value (usd per share) 3.45 $ 2.00 $ 2.32
Vested, weighted average grant date fair value (usd per share) 2.00    
Forfeited/Expired, weighted average exercise price per share (usd per share) 2.27    
Outstanding, beginning of period (usd per share) $ 2.94 $ 2.00