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Earnings Per Common Share And Share Awards (Tables)
 3 Months Ended
Mar. 31, 2019
Earnings Per Share [Abstract]  
Computation Of Basic And Diluted Earnings Per Share
The following table sets forth the computation of basic and diluted earnings per share for the three-month periods ended March 31:
 
 
Three Months Ended
March 31,
(in thousands, except per share amounts)
 
2019
 
2018
Net income attributable to the Company
 
$
6,626

 
$
4,176

Weighted average common shares outstanding – Basic
 
1,887

 
1,886

Incremental shares outstanding assuming the exercise of dilutive SARs (share-settled)
 
9

 
11

Weighted average common shares outstanding – Diluted
 
1,896

 
1,897

Basic earnings per common share
 
$
3.51

 
$
2.21

Diluted earnings per common share
 
$
3.49

 
$
2.20
Summary Of Share-Based Award Transactions
A summary of share-based award transactions for all share-based award plans follows:
(in thousands, except weighted average exercise price and average remaining contractual term)
Number
Of Shares
 
Weighted
Average
Exercise Price
 
Average Remaining
Contractual
Term (Years)
 
Aggregate
Intrinsic
Value
Outstanding as of January 1, 2018
25

 
$
93.40

 
3.98
 
2,624

SARs granted
4

 
188.71

 
 
 
 

SARs exercised
(1
)
 
41.50

 
 
 
 

Outstanding as of December 31, 2018
28

 
$
110.27

 
3.64
 
2,019

SARs granted
—

 
—

 
 
 
 

SARs exercised
(3
)
 
50.50

 
 
 
 

Outstanding as of March 31, 2019
25

 
$
117.30

 
3.78
 
1,331

 
 
 
 
 
 
 
 
Exercisable as of March 31, 2019
25

 
$
117.30

 
3.78
 
1,331

 
 
 
 
 
 
 
 
Unvested as of March 31, 2019
—

 
$
—

 
0.00
 
—