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Investments - Co-Investment Agreement (Details) $ / shares in Units, € in Millions	Apr. 30, 2025 USD ($) $ / shares	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Apr. 05, 2021 USD ($)	Apr. 05, 2021 EUR (€)
Debt and Equity Securities, FV-NI
Equity method investments		$ 94,300,000	$ 94,000,000.0
Equity securities, FV-NI		$ 116,900,000	114,600,000
Capital Commitment Condition One
Debt and Equity Securities, FV-NI
Investment, Type [Extensible Enumeration]				Common Stock	Common Stock
HTEC
Debt and Equity Securities, FV-NI
Equity investments, ownership interest (percent)		25.00%
Equity method investments		$ 68,500,000	$ 68,900,000
Hy24
Debt and Equity Securities, FV-NI
Equity securities, FV-NI				$ 17,500,000	€ 16.2
Unfunded commitment				$ 36,500,000	€ 33.8
Closing through third anniversary | ISQ | Corporate Joint Venture | Subsequent Event
Debt and Equity Securities, FV-NI
Shareholder distribution threshold	$ 900,000,000.0
Leverage ratio threshold trigger for three consecutive quarters	4.25
Leverage ratio threshold trigger for one quarters	6
Put option cash consideration	$ 323,000,000.0
Exercise price of option | $ / shares	$ 51.20
Third Anniversary | Corporate Joint Venture | HTEC | Subsequent Event
Debt and Equity Securities, FV-NI
Put option internal rate of return (percent)	12.75%
Third Anniversary | Corporate Joint Venture | HTEC | Common Stock | Subsequent Event
Debt and Equity Securities, FV-NI
Invested capital multiple rate	1.80
Percentage of shares callable upon exercise of call option (percent)	85.00%
Third Anniversary | ISQ | Corporate Joint Venture | Subsequent Event
Debt and Equity Securities, FV-NI
Percentage change in option value per share	11.25%

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