XML 111 R100.htm IDEA: XBRL DOCUMENT v3.8.0.1
STOCK PLANS AND STOCK BASED COMPENSATION (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
STOCK PLANS AND STOCK BASED COMPENSATION      
Number of shares available for grant permitted by plan 3,000,000    
Information related to the stock option plan      
Net proceeds from Class A Common Stock options exercised   $ 33,000  
Information related to stock option and restricted stock awards granted      
Expenses $ 152,000 410,000  
Estimated unrecognized stock option and restricted stock award expense related to unvested options and awards (net of estimated forfeitures)      
2018 641,000    
2019 400,000    
2020 296,000    
2021 266,000    
2022 238,000    
2023 and beyond 135,000    
Total $ 1,976,000    
Minimum      
STOCK PLANS AND STOCK BASED COMPENSATION      
Vesting period 3 years    
Stock option      
STOCK PLANS AND STOCK BASED COMPENSATION      
Exercisable period 1 year    
Information related to the stock option plan      
Intrinsic value of options exercised   44,000  
Net proceeds from Class A Common Stock options exercised   33,000  
Information related to stock option and restricted stock awards granted      
Expenses $ 62,000 $ 63,000  
Estimated unrecognized stock option and restricted stock award expense related to unvested options and awards (net of estimated forfeitures)      
2018 182,000    
2019 139,000    
2020 35,000    
2021 5,000    
2022 1,000    
Total $ 362,000    
Stock option | Class B Common Stock      
Options      
Exercisable (vested) at end of year (in shares) 0    
Stock option | Class A Common Stock      
Options      
Outstanding, beginning of year (in shares) 295,000 312,600 312,600
Granted (in shares)     4,500
Exercised (in shares)     (3,500)
Forfeited or expired (in shares)     (18,600)
Outstanding, end of year (in shares) 295,000   295,000
Unvested (in shares) 295,000    
Weighted Average Exercise Price      
Outstanding, beginning of year (in dollars per share) $ 24.68 $ 24.49 $ 24.49
Granted (in dollars per share)     35.54
Exercised (in dollars per share)     19.63
Forfeited or expired (in dollars per share)     24.99
Outstanding, end of year (in dollars per share) 24.68   $ 24.68
Unvested (in dollars per share) $ 24.68    
Weighted Average Remaining Contractual Term      
Outstanding, end of year 2 years 7 months 10 days   2 years 10 months 10 days
Unvested 2 years 7 months 10 days    
Aggregate Intrinsic Value      
Outstanding, end of year $ 4,017,610   $ 3,935,010
Unvested $ 4,017,610    
Stock option | Minimum      
STOCK PLANS AND STOCK BASED COMPENSATION      
Exercisable period 5 years    
Stock option | Maximum      
STOCK PLANS AND STOCK BASED COMPENSATION      
Exercisable period 6 years    
Restricted Stock Awards      
Shares      
Outstanding, beginning of year (in shares) 41,610 77,000 77,000
Granted (in shares) 36,000   7,413
Forfeited (in shares)     (750)
Earned and issued (in shares)     (42,053)
Outstanding, end of year (in shares) 77,610   41,610
Unvested (in shares) 77,610    
Weighted-average grant date fair value      
Outstanding, beginning of year (in dollars per share) $ 21.18 $ 20.02 $ 20.02
Granted (in dollars per share) 38.32   35.77
Forfeited (in dollars per share)     19.85
Earned and issued (in dollars per share)     21.66
Outstanding, end of year (in dollars per share) 29.13   $ 21.18
Unvested (in dollars per share) $ 29.13    
Information related to stock option and restricted stock awards granted      
Expenses $ 64,000 $ 215,000  
Estimated unrecognized stock option and restricted stock award expense related to unvested options and awards (net of estimated forfeitures)      
2018 380,000    
2019 261,000    
2020 261,000    
2021 261,000    
2022 237,000    
2023 and beyond 135,000    
Total $ 1,535,000    
Restricted Stock Awards | Maximum      
STOCK PLANS AND STOCK BASED COMPENSATION      
Vesting period 6 years    
Performance Stock Units      
STOCK PLANS AND STOCK BASED COMPENSATION      
Vesting period 4 years    
Shares      
Outstanding, beginning of year (in shares) 48,500 55,000 55,000
Forfeited (in shares)     (6,500)
Outstanding, end of year (in shares) 48,500   48,500
Unvested (in shares) 48,500    
Weighted-average grant date fair value      
Outstanding, beginning of year (in dollars per share) $ 23.08 $ 23.13 $ 23.13
Forfeited (in dollars per share)     23.48
Outstanding, end of year (in dollars per share) 23.08   $ 23.08
Unvested (in dollars per share) $ 23.08    
Information related to stock option and restricted stock awards granted      
Expenses $ 26,000 $ 132,000  
Estimated unrecognized stock option and restricted stock award expense related to unvested options and awards (net of estimated forfeitures)      
2018 79,000    
Total $ 79,000    
Performance Stock Units | Tranche One      
Information related to stock option and restricted stock awards granted      
Return on average assets (as a percent) 1.25%    
Vesting rights (as a percent) 50.00%    
Performance Stock Units | Tranche Two      
Information related to stock option and restricted stock awards granted      
Return on average assets (as a percent) 1.25%    
Vesting rights (as a percent) 50.00%