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Stock-based Employee Compensation, Stock Option Plans, and Deferred Compensation Plan for Directors - Stock Options Issued (Details) | 6 Months Ended
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Jun. 30, 2022 $ / shares
Share Based Compensation Arrangements By Share Based Payment Award Options [Line Items] |
Exercise price (in usd per share) | $ 44.17
Directors | May 7, 2021 |
Share Based Compensation Arrangements By Share Based Payment Award Options [Line Items] |
Exercise price (in usd per share) | 43.89
Fair value (in usd per share) | $ 6.32
Volatility | 0.297
Expected life (years) | 5 years
Assumed yield | 4.96%
Risk-free rate | 0.77%
Directors | May 13, 2022 |
Share Based Compensation Arrangements By Share Based Payment Award Options [Line Items] |
Exercise price (in usd per share) | $ 47.90
Fair value (in usd per share) | $ 8.34
Volatility | 0.300
Expected life (years) | 5 years
Assumed yield | 4.90%
Risk-free rate | 2.89%
Officers | May 7, 2021 |
Share Based Compensation Arrangements By Share Based Payment Award Options [Line Items] |
Exercise price (in usd per share) | $ 43.89
Fair value (in usd per share) | $ 5.96
Volatility | 0.275
Expected life (years) | 7 years
Assumed yield | 4.97%
Risk-free rate | 1.24%
Officers | May 13, 2022 |
Share Based Compensation Arrangements By Share Based Payment Award Options [Line Items] |
Exercise price (in usd per share) | $ 47.90
Fair value (in usd per share) | $ 7.66
Volatility | 0.271
Expected life (years) | 7 years
Assumed yield | 4.93%
Risk-free rate | 2.95%

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- Definition Share Based Compensation Arrangements By Share Based Payment Award Options [Line Items] + References No definition available. + Details
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(02) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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