XML 138 R123.htm IDEA: XBRL DOCUMENT v3.10.0.1
Stock Based Compensation - Non-vested Restricted Stock Options (Details) - Restricted Stock - $ / shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Number of Non-vested Restricted Shares      
Non-vested shares, beginning balance (in shares) 422,928 319,058 280,457
Granted (in shares) 289,792 332,921 160,453
Vested (in shares) (200,064.00) (229,051) (121,852)
Forfeited (in shares) (5,120) 0 0
Non-vested shares, ending balance (in shares) 507,536 422,928 319,058
Weighted Average Per Share Grant Date Fair Value      
Non-vested shares, beginning balance (in dollars per share) $ 6.36 $ 6.40 $ 7.63
Granted (in dollars per share) 5.63 6.54 5.11
Vested (in dollars per share) 6.55 6.67 7.54
Forfeited (in shares) 6.25 0.00 0.00
Non-vested shares, ending balance (in dollars per share) $ 5.91 $ 6.36 $ 6.40