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Fair Value Measurements - Recurring Fair Value Measurements (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022 | Mar. 31, 2022
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Fair Value Measurements |  |  |
Warrants, at fair value | $ 46.3 | $ 80.9 |
Fair Value, Inputs, Level 1 | Restricted Cash Held in Trust |  |  |
Fair Value Measurements |  |  |
Investments, at fair value | $ 290.5 |  | $ 284.8

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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