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Fair Value Measurements (Tables) | 3 Months Ended
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Mar. 31, 2026
Fair Value Measurements |
Schedule of financial assets and liabilities which are required to be measured at fair value | The following table presents, for each of the fair value hierarchy levels identified under ASC 820, our financial assets and liabilities that are required to be measured at fair value as of March 31, 2026, and December 31, 2025 (in millions): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Fair Value Measurements at Reporting Date
​ | ​ ​ ​ | ​ | ​ | ​ ​ ​ | Significant | ​ ​ ​ | ​ | ​
​ | ​ | Quoted Prices | ​ | Other | ​ | Significant
​ | ​ | in Active Markets | ​ | Observable | ​ | Unobservable
​ | ​ | for Identical Assets | ​ | Inputs | ​ | Inputs
​ | ​ ​ ​ | (Level 1) | ​ ​ ​ | (Level 2) | ​ ​ ​ | (Level 3)
Assets as of March 31, 2026: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash and cash equivalents | ​ | $ | 361.5 |  | $ | — |  | $ | —
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Assets as of December 31, 2025: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash and cash equivalents | ​ | $ | 535.5 |  | $ | — |  | $ | —

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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