Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity and Stock Based Compensation - Nonvested (Details)

v3.19.2
Stockholders' Equity and Stock Based Compensation - Nonvested (Details)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
USD ($)
$ / shares
shares
Jun. 30, 2018
USD ($)
Jun. 30, 2019
USD ($)
item
$ / shares
shares
Jun. 30, 2018
USD ($)
item
shares
Weighted Average Grant Date Fair Value        
Share-based compensation cost | $ $ 0.2 $ 2.1 $ 0.3 $ 2.4
Chief Executive Officer        
Weighted Average Grant Date Fair Value        
Share-based compensation cost | $   $ 1.7   $ 1.7
Restricted stock        
Shares        
Nonvested shares at the beginning of the period | shares     96,744  
Granted (in shares) | shares     20,405 95,500
Vested (in shares) | shares     (19,416)  
Forfeited (in shares) | shares     (5,125)  
Nonvested shares at the end of the period | shares 92,608   92,608  
Number of equal quarterly installments for vesting of awards | item     16  
Weighted Average Grant Date Fair Value        
Nonvested shares at the beginning of period (in dollars per share) | $ / shares     $ 15.67  
Granted (in dollars per share) | $ / shares     12.40  
Vested (in dollars per share) | $ / shares     15.60  
Forfeited (in dollars per share) | $ / shares     11.28  
Nonvested shares at the end of period (in dollars per share) | $ / shares $ 15.21   $ 15.21  
Unrecognized compensation cost (in dollars) | $ $ 1.3   $ 1.3  
Weighted average period for recognition of unrecognized compensation cost     2 years 7 months 6 days  
Restricted stock | Minimum        
Shares        
Number of equal quarterly installments for vesting of awards | item       16
Restricted stock | Maximum        
Shares        
Number of equal quarterly installments for vesting of awards | item       20