Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Investments - Investments in Equity Securities Narratives (Details) € in Millions, $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Apr. 05, 2021 USD ($)	Apr. 05, 2021 EUR (€)
Debt and Equity Securities, FV-NI
Investments in equity securities	$ 66.9			$ 66.9		$ 77.8
Change in fair value of investments in equity securities				(10.9)
New investments				4.4
McPhy
Debt and Equity Securities, FV-NI
Investments in equity securities	11.8			11.8		31.3
Change in fair value of investments in equity securities	(4.1)		$ (6.0)	(16.1)	$ (25.8)
Stabilis Energy, Inc.
Debt and Equity Securities, FV-NI
Investments in equity securities	11.4			11.4		6.2
Change in fair value of investments in equity securities	5.4		$ (4.3)	5.2	$ 6.3
Transform Materials
Debt and Equity Securities, FV-NI
Investments in equity securities	25.1			25.1		25.1
Svante Inc.
Debt and Equity Securities, FV-NI
Investments in equity securities	15.1			15.1		$ 15.1
Hy24
Debt and Equity Securities, FV-NI
Investments in equity securities							$ 1.5	€ 1.5
Cemvita Factory Inc., Gold Hydrogen LLC
Debt and Equity Securities, FV-NI
Investments in equity securities	2.0			$ 2.0
New investments	$ 1.0	$ 1.0