Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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Fair Value - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended		9 Months Ended
	Aug. 10, 2022	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Gain (loss) on derivative		$ 0.1	$ (0.2)	$ 0.6	$ (1.6)
SK Ecoplant \| Option To Purchase
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Offering price per share (in dollars per share)	$ 23.05
Net proceeds from stock offering	$ 4.2
SK Ecoplant \| Class A common stock \| Option To Purchase
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Shares sold in offering (in shares)	13,491,701