XML 50 R91.htm IDEA: XBRL DOCUMENT v3.19.3
EMPLOYEE STOCK COMPENSATION - Option Activity (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2019
Jun. 30, 2018
Sep. 30, 2019
Dec. 31, 2018
Number of Shares        
Outstanding at beginning of period (in shares) 135,521   186,973  
Exercised (shares) (73,000)   (74,836)  
Forfeited (in shares) 0   (49,616)  
Outstanding at end of period (in shares) 62,521   62,521 186,973
Exercisable at end of period (in shares) 59,149   59,149  
Weighted-Average Exercise Price Per Share        
Outstanding at beginning of period (in dollars per share) $ 13.65   $ 13.54  
Exercised (in dollars per share) 13.47   13.41  
Forfeited (in dollars per share) 0   13.34  
Outstanding at end of period (in dollars per share) 13.85   13.85 $ 13.54
Exercisable at end of period (in dollars per share) $ 13.86   $ 13.86  
Weighted-Average Remaining Contract Term        
Outstanding 4 years 7 months 6 days 5 years 1 month 6 days 4 years 7 months 6 days 5 years 9 months 18 days
Exercised 5 years 7 months 6 days   5 years 2 months 12 days  
Forfeited 0 years   6 years 1 month 6 days  
Exercisable at end of period 4 years 6 months   4 years 6 months  
Aggregated Intrinsic Value        
Outstanding $ 18   $ 18
Exercisable at end of period $ 17   $ 17