XML 130 R119.htm IDEA: XBRL DOCUMENT v3.8.0.1
EMPLOYEE STOCK COMPENSATION - Summary of SARs Activity (Details) - Stock appreciation rights - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2017
Jun. 30, 2017
Sep. 30, 2017
Dec. 31, 2016
Number of Shares        
Outstanding at beginning of period (in shares) 1,559,012   1,559,047  
Forfeited (in shares)     (35)  
Outstanding at end of period (in shares) 1,559,012 1,559,012 1,559,012 1,559,047
Exercisable at end of period (in shares) 1,559,012   1,559,012  
Weighted-Average Exercise Price Per Share        
Outstanding at beginning of period (in dollars per share) $ 11.60   $ 11.60  
Forfeited (in dollars per share)     10.09  
Outstanding at end of period (in dollars per share) 11.60 $ 11.60 11.60 $ 11.60
Exercisable at end of period (in dollars per share) $ 11.60   $ 11.60  
Weighted-Average Remaining Contract Term        
Outstanding 4 years 10 months 23 days 5 years 1 month 22 days 4 years 10 months 23 days 5 years 7 months 21 days
Forfeited     4 years 10 months 23 days  
Exercisable at end of period 4 years 10 months 23 days   4 years 10 months 23 days  
Aggregated Intrinsic Value        
Outstanding $ 14,261 $ 15,430 $ 14,261 $ 8,961
Exercisable at end of period $ 14,261   $ 14,261  
Number of Shares        
Outstanding at beginning of period (in shares) 0   8,069  
Vested (in shares) 0   (8,034)  
Forfeited (in shares) 0   (35)  
Outstanding at end of period (in shares) 0 0 0 8,069
Weighted Average Grant Date Fair Value Per Share        
Outstanding at beginning of period (in dollars per share) $ 0.00   $ 10.09  
Vested (in dollars per share) 0.00   10.09  
Forfeited (in dollars per share) 0.00   10.09  
Outstanding at end of period (in dollars per share) $ 0.00 $ 0.00 $ 0.00 $ 10.09