XML 123 R83.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Stock-Based Compensation - Restriced Stock Activity (Details) - Restricted stock - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares outstanding (in shares) 2,184,675 1,541,648 2,155,845 2,433,915
Shares outstanding, Weighted Average Grant Date Fair Value (in dollars per share) $ 5.89 $ 7.14 $ 5.72 $ 4.48
Granted (in shares) 1,586,590 1,000,690 799,165  
Grant date fair value of restricted stock $ 4.90 $ 7.63 $ 8.78  
Vested (in shares) (797,025) (1,277,076) (1,023,708)  
Vested (in dollars per share) $ 6.36 $ 5.30 $ 5.14  
Canceled/Forfeited (in shares) (146,538) (337,811) (53,527)  
Canceled/Forfeited (in dollars per share) $ 5.70 $ 6.51 $ 5.90