XML 45 R33.htm IDEA: XBRL DOCUMENT v3.8.0.1
Share-Based Compensation (Tables)
 3 Months Ended
Mar. 31, 2018
Shares awarded to non-employee directors [Line Items]  
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan
The table below presents the amounts included in net income related to share-based compensation expense for the three months ended March 31, 2018 and 2017:
    
 
 
Three Months Ended
 
 
March 31,
 
 
2018
 
2017
(in thousands)
 
 
 
 
Awards to non-employee directors
 
$
135

 
$
135

Awards to key employees
 
1,385

 
504

Total compensation expense
 
1,520

 
639

Less: tax benefit
 
(416
)
 
(257
)
Share-based compensation amounts included in net income
 
$
1,104

 
$
382
Award to key employees [Member]  
Shares awarded to non-employee directors [Line Items]  
Schedule of Share-based Compensation, Activity
The table below presents the summary of the stock activity for awards to key employees for the three months ended March 31, 2018: 
 
 
Number of Shares
 
Weighted Average
Fair Value
Outstanding—December 31, 2017
 
132,642

 
$
59.31

Granted
 
49,494

 
$
67.76

Vested
 
(29,786
)
 
$
47.39

Expired
 
(3,933
)
 
$
49.66

Outstanding—March 31, 2018
 
148,417

 
$
66.53