Related Party Transactions - Summary of Activity Related to Agreements with Related Party (Detail) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Related Party Transaction [Line Items] | ||||
| Processing fee incurred | $ 85.9 | $ 94.1 | $ 171.5 | $ 179.7 |
| Earnings from equity investments | 6.1 | 4.0 | 9.3 | 7.4 |
| Distributions received from equity investments | 7.6 | 9.6 | ||
| LM4 | ||||
| Related Party Transaction [Line Items] | ||||
| Processing fee incurred | $ 10.3 | $ 9.2 | $ 20.3 | $ 17.5 |
| Operating Cost and Expense, Related Party [Extensible Enumeration] | us-gaap:RelatedPartyMember | us-gaap:RelatedPartyMember | us-gaap:RelatedPartyMember | us-gaap:RelatedPartyMember |
| Earnings from equity investments | $ 6.1 | $ 4.0 | $ 9.3 | $ 7.4 |
| Distributions received from equity investments | $ 2.9 | $ 4.7 | $ 7.6 | $ 9.6 |
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- Definition Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of income (loss) for proportionate share of equity method investee's income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Indicates status and type of related party for cost and expense classified as operating. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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