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Earnings Per Common Share And Share Awards (Tables) | 9 Months Ended
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Sep. 30, 2022
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) |  | 2022 |  | 2021 | 2022 |  | 2021
Net income |  | $ | 7,913 |  |  | $ | 14,503 |  | $ | 16,377 |  |  | $ | 48,108 |
Weighted average common shares outstanding – Basic |  | 1,897 |  |  | 1,894 |  | 1,897 |  |  | 1,894 |
Incremental shares outstanding assuming the exercise of dilutive SARs (share-settled) |  | — |  |  | 6 |  | 1 |  |  | 5 |
Weighted average common shares outstanding – Diluted |  | 1,897 |  |  | 1,900 |  | 1,898 |  |  | 1,899 |
Basic earnings per common share |  | $ | 4.17 |  |  | $ | 7.66 |  | $ | 8.63 |  |  | $ | 25.40 |
Diluted earnings per common share |  | $ | 4.17 |  |  | $ | 7.63 |  | $ | 8.63 |  |  | $ | 25.34 |
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, 2021 | 36 |  |  | $ | 139.16 |  |  | 4.38 |  | $ | 903 |
SARs granted | 5 |  |  | 184.26 |  |  |  |  |
SARs exercised | (6) |  |  | 106.71 |  |  |  |  |
Outstanding as of December 31, 2021 | 35 |  |  | $ | 150.36 |  |  | 3.96 |  | $ | 1,643 |
SARs granted | 10 |  |  | 155.16 |  |  |  |  |
SARs exercised | (4) |  |  | 89.23 |  |  |  |  |
Outstanding as of September 30, 2022 | 41 |  |  | $ | 157.51 |  |  | 4.29 |  | $ | 219 |
Exercisable as of September 30, 2022 | 28 |  |  | $ | 162.15 |  |  | 3.53 |  | $ | 210 |
Unvested as of September 30, 2022 | 13 |  |  | $ | 147.24 |  |  | 5.96 |  | $ | 9 |
Share-Based Valuation Assumptions | The weighted average fair value for the SARs issued during 2022 and 2021 were $62.60 and $59.83, respectively, and were estimated using the weighted average assumptions shown in the table below:
| 2022 |  | 2021
Expected Life in Years | 7.0 |  | 7.0
Volatility | 35.6% |  | 33.9%
Interest Rate | 3.2% |  | 1.3%
Yield Rate | 0.6% |  | 1.1%

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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