XML 57 R46.htm IDEA: XBRL DOCUMENT v3.7.0.1
Stock Based Compensation (Details) - USD ($)
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
The total charge to operations for all incentive plans is as follows:    
Share based compensation charged to operations $ 742,200 $ 665,700
Compensation costs related to non-vested awards that have not yet been recognized $ 8,499,000  
Restricted stock grants    
Summary of the activity of the incentive plans    
Restricted stock grants 140,100 139,225
Per share grant price (in dollars per share) $ 24.75 $ 21.74
Deferred compensation to be recognized over vesting period $ 3,467,000 $ 3,027,000
Number of non-vested shares:    
Non-vested beginning of period (in shares) 591,750 538,755
Grants (in shares) 140,100 139,225
Vested during period (in shares) (104,950) (72,730)
Forfeitures (in shares) (500) (250)
Non-vested end of period (in shares) 626,400 605,000
The following information includes the 200,000 Units:    
Average per share value of non-vested shares (based on grant price) (in dollars per share) $ 19.25 $ 18.00
Value of stock vested during the period (based on grant price) $ 1,760,000 $ 1,177,000
Average per share value of shares forfeited during the period (based on grant price) (in dollars per share) $ 22.64 $ 21.05
The total charge to operations for all incentive plans is as follows:    
Share based compensation charged to operations $ 693,900 $ 649,500
Approximate weighted average vesting period 2 years 10 months 24 days  
Restricted stock units    
The total charge to operations for all incentive plans is as follows:    
Share based compensation charged to operations $ 48,300 $ 16,200
Approximate weighted average vesting period 3 months  
Performance stock    
The total charge to operations for all incentive plans is as follows:    
Performance Cycle for the units 7 years  
2012 and 2009 Incentive Plan    
Summary of the activity of the incentive plans    
Restricted stock grants 0  
Number of non-vested shares:    
Grants (in shares) 0  
Vested during period (in shares) 0  
Non-vested end of period (in shares) 686,400  
Pay-for-performance program    
The total charge to operations for all incentive plans is as follows:    
Compensation costs related to non-vested awards that have not yet been recognized $ 37,000  
Pay-for-performance program | Restricted stock units    
Number of non-vested shares:    
Vested during period (in shares) 0  
Forfeitures (in shares) 0  
Non-vested end of period (in shares) 200,000  
2016 Incentive Plan    
Stock Based Compensation    
Number of shares authorized for issuance 750,000  
Shares vested pursuant to plan 0  
Number of non-vested shares:    
Non-vested end of period (in shares) 140,000