XML 41 R30.htm IDEA: XBRL DOCUMENT v3.8.0.1
Share-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2017
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 and nine months ended September 30, 2017 and 2016:
    
 
 
Three Months Ended
 
Nine Months Ended
 
 
September 30,
 
September 30,
 
 
2017
 
2016
 
2017
 
2016
(in thousands)
 
 
 
 
 
 
 
 
Awards to non-employee directors
 
$
134

 
$
135

 
$
406

 
$
445

Awards to key employees
 
662

 
488

 
1,202

 
1,442

Total compensation expense
 
796

 
623

 
1,608

 
1,887

Less: tax benefit
 
(320
)
 
(251
)
 
(647
)
 
(760
)
Share-based compensation amounts included in net income
 
$
476

 
$
372

 
$
961

 
$
1,127
Schedule of Share-based Compensation, Nonemployee Director Stock Award Plan, Activity [Table Text Block]
A summary of the stock activity for our non-employee directors during the nine months ended September 30, 2017 is presented below:
 
 
Number of Shares
 
Weighted Average
Fair Value
Outstanding— December 31, 2016
 
—

 
$
—

Granted
 
7,515

 
$
71.80

Vested
 
(7,515
)
 
$
71.80

Outstanding— September 30, 2017
 
—

 
$
—
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 nine months ended September 30, 2017:
 
 
 
Number of Shares
 
Weighted Average
Fair Value
Outstanding— December 31, 2016
 
115,091

 
$
51.85

Granted
 
52,355

 
$
63.42

Vested
 
(32,926
)
 
$
38.88

Expired
 
(1,878
)
 
$
39.97

Outstanding— September 30, 2017
 
132,642

 
$
52.42