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Fair Value Measurements - Nonrecurring Basis - Investment in Ionada (Details) - Ionada - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Assets measured at fair value on a nonrecurring basis |  |
Ownership interest (as a percent) | 12.00% | 12.00%
Carrying value of investment | $ 5.5 | $ 5.5
Cumulative transaction costs | 0.5 | $ 0.5
Equity investment |  |
Assets measured at fair value on a nonrecurring basis |  |
Upward adjustments | 0.0 |
Impairments | 0.0 |
Downward adjustments | $ 0.0 |

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- Definition Amount of investment in equity security without readily determinable fair value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 321 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479536/321-10-50-3 + Details
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