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Earnings Per Common Share And Share Awards (Tables)
9 Months Ended
Sep. 30, 2021
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- and nine-month periods ended September 30:
Three Months Ended
September 30,
Nine Months Ended
September 30,
(in thousands, except per share amounts)
2021202020212020
Net income$14,503 $15,301 $48,108 $22,785 
Weighted average common shares outstanding – Basic1,894 1,892 1,894 1,892 
Incremental shares outstanding assuming the exercise of dilutive SARs (share-settled)
6 5 
Weighted average common shares outstanding – Diluted
1,900 1,895 1,899 1,896 
Basic earnings per common share$7.66 $8.09 $25.40 $12.04 
Diluted earnings per common share$7.63 $8.07 $25.34 $12.02 
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, 202030 $124.13 3.53$1,352 
SARs granted14 137.40   
SARs exercised(8)75.75   
Outstanding as of December 31, 202036 $139.16 4.38$903 
SARs granted5 184.26   
SARs exercised(3)68.70   
Outstanding as of September 30, 202138 $150.06 4.31$1,317 
Exercisable as of September 30, 202129 $149.50 3.77$1,028 
Unvested as of September 30, 20219 $151.80 5.96$289 
Share-Based Valuation Assumptions The weighted average fair values for the SARs issued during 2021 and 2020 were $59.83 and $34.45, respectively, and were estimated using the weighted average assumptions shown in the table below.
20212020
Expected Life in Years7.0-7.06.2-7.0
Volatility33.9%28.5%
Interest Rate1.3%0.7%
Yield Rate1.1%1.2%