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Earnings Per Common Share And Share Awards (Tables) | 6 Months Ended
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Jun. 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 six-month periods ended June 30:
|  | Three Months Ended June 30, | Six Months Ended June 30,
(in thousands, except per share amounts) |  | 2022 |  | 2021 | 2022 |  | 2021
Net income |  | $ | 2,279 |  |  | $ | 19,782 |  | $ | 8,464 |  |  | $ | 33,605 |
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) |  | 2 |  |  | 5 |  | 3 |  |  | 4 |
Weighted average common shares outstanding – Diluted |  | 1,899 |  |  | 1,899 |  | 1,900 |  |  | 1,898 |
Basic earnings per common share |  | $ | 1.20 |  |  | $ | 10.44 |  | $ | 4.46 |  |  | $ | 17.74 |
Diluted earnings per common share |  | $ | 1.20 |  |  | $ | 10.42 |  | $ | 4.45 |  |  | $ | 17.70 |
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 | 5 |  |  | 166.90 |  |  |  |  |
SARs exercised | (4) |  |  | 89.23 |  |  |  |  |
Outstanding as of June 30, 2022 | 36 |  |  | $ | 159.32 |  |  | 4.16 |  | $ | 407 |
Exercisable as of June 30, 2022 | 27 |  |  | $ | 161.95 |  |  | 3.65 |  | $ | 324 |
Unvested as of June 30, 2022 | 9 |  |  | $ | 151.27 |  |  | 5.73 |  | $ | 83 |
Share-Based Valuation Assumptions | The weighted average fair value for the SARs issued during 2022 and 2021 were $69.64 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 | 35.0% |  | 33.9%
Interest Rate | 2.9% |  | 1.3%
Yield Rate | 0.1% |  | 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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