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Summary of Significant Accounting Policies - Employee Future Benefits and Stock-Based Compensation (Details) | 12 Months Ended
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Dec. 31, 2024
Accounting Policies [Abstract] |
Defined benefit plan, market-related value of plan assets recognition period | 3 years
DSUs | Director |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Volume weighted average share price (period) | 5 days
PSUs |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Volume weighted average share price (period) | 5 days
Award vesting period | 3 years
RSUs |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Volume weighted average share price (period) | 5 days
Award vesting period | 3 years

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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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