Investments - Narrative (Details) - USD ($) $ in Millions |
1 Months Ended | 3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|---|
Apr. 30, 2026 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Schedule of Equity Method Investments [Line Items] | |||||
| Unfunded commitments | $ 5.2 | $ 5.2 | |||
| Dividends from equity method investees | 0.6 | $ 0.9 | |||
| Proceeds from sale of TPA investment | $ 50.9 | ||||
| Investment sold, remaining amount held | 54.1 | 54.1 | |||
| Net unrealized gains on investments | 27.0 | $ (0.5) | 27.0 | 1.2 | |
| Impairment | 0.0 | 0.5 | 0.0 | 0.5 | |
| Income recorded | 27.0 | $ 0.0 | 27.0 | $ 1.7 | |
| Cumulative income recorded | 82.2 | 82.2 | |||
| Cumulative impairment recorded | 0.7 | 0.7 | |||
| Net unrealized (losses) gains on equity securities held at the reporting date | $ 27.0 | ||||
| Venture funds | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Equity securities without readily determinable fair value, unfunded commitments | $ 1.7 | $ 1.7 | |||
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- Definition Equity Method Investments, Unfunded Commitments No definition available.
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- Definition Equity Securities Sold, Reaming Investment No definition available.
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- Definition Equity Securities Without Readily Determinable Fair Value, Unfunded Commitments No definition available.
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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 unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of impairment loss on investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cumulative impairment loss on investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of gain from upward price adjustment on investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cumulative gain from upward price adjustment on investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash inflow from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as investing activity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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- Definition Amount of unrealized gain (loss) on investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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