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Fair Value Measurements - Recurring Fair Value Measurements (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
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Fair Value Measurements |  |
Warrants, at fair value | $ 36.3 | $ 80.9
Fair Value, Inputs, Level 1 |  |
Fair Value Measurements |  |
Restricted cash held in trust, at fair value | $ 418.1 | $ 284.8

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- Definition The fair value amount of warrants. + References No definition available. + Details
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- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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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