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Stock-based Compensation - Unvested Shares Relating To Stock Options (Details) - Unvested Stock Options - $ / shares shares in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Shares |  |
Beginning balance (in shares) | 0.9 | 1.2
Granted (in shares) | 0.0 | 0.0
Vested (in shares) | (0.3) | (0.3)
Forfeited (in shares) | 0.0 | 0.0
Ending balance (in shares) | 0.6 | 0.9
Weighted Average Grant Date Fair Value |  |
Beginning of period weighted average grant date fair value (dollars per share) | $ 30.00 | $ 30.00
Granted weighted average grant date fair value (dollars per share) | 0 | 0
Vested weighted average grant date fair value (dollars per share) | 30.00 | 30.00
Forfeited weighted average grant date fair value (dollars per share) | 0 | 0
Ending of period weighted average grant date fair value (dollars per share) | $ 30.00 | $ 30.00

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- Definition The weighted average grant-date fair value of options forfeited during the reporting period as calculated by applying the disclosed option pricing methodology. + References No definition available. + Details
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- Definition The weighted average grant-date fair value of options outstanding as calculated by applying the disclosed option pricing methodology. + References No definition available. + Details
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- Definition The number of share options vested in the period. + References No definition available. + Details
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- Definition The weighted average grant-date fair value of options vested during the reporting period as calculated by applying the disclosed option pricing methodology. + References No definition available. + Details
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- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(03) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Net number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + 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 -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Details
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