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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Cash received on stock transaction after deduction of issuance costs.

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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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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.

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No definition available.

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Per share amount of par value or stated value of stock classified as temporary equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable.

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Nature of Business, Liquidity and Basis of Presentation (Details) $ / shares in Units, shares in Thousands, $ in Thousands				3 Months Ended
	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Oct. 23, 2021 USD ($) $ / shares shares	Mar. 31, 2022 USD ($) customer	Mar. 31, 2021	Nov. 30, 2021 USD ($)	Aug. 31, 2020
Subsidiary, Sale of Stock [Line Items]
Long-term debt	$ 522,812	$ 526,730		$ 522,812
Non-recourse debt, non-current	$ 492,521	$ 500,899		$ 492,521
Number of customers \| customer				2
Accounts Receivable \| Customer Concentration Risk \| SK Ecoplant
Subsidiary, Sale of Stock [Line Items]
Concentration risk, percentage	60.00%	60.00%
Asia Pacific \| Sales Revenue, Net \| Geographic Concentration Risk
Subsidiary, Sale of Stock [Line Items]
Concentration risk, percentage				65.00%	43.00%
SK Ecoplant \| Sales Revenue, Net \| Customer Concentration Risk \| Customer One
Subsidiary, Sale of Stock [Line Items]
Concentration risk, percentage				32.00%
SK D&D Co, Ltd \| Sales Revenue, Net \| Customer Concentration Risk \| Customer Two
Subsidiary, Sale of Stock [Line Items]
Concentration risk, percentage				32.00%
Initial Investment \| SK Ecoplant \| Series A Redeemable Convertible Preferred Stock
Subsidiary, Sale of Stock [Line Items]
Shares sold in offering (in shares) \| shares			10,000
Temporary equity, par value (in dollars per share) \| $ / shares			$ 0.0001
Offering price per share (in dollars per share) \| $ / shares			$ 25.50
Net proceeds from stock offering			$ 255,000
Recourse Debt
Subsidiary, Sale of Stock [Line Items]
Long-term debt	$ 292,411	$ 291,831		$ 292,411
Non-recourse debt, non-current	280,056	$ 283,483		280,056
Senior Secured Notes \| 3.04% Senior Secured Notes due June 2031
Subsidiary, Sale of Stock [Line Items]
Interest rate percentage		3.04%
Senior Secured Notes \| 3.04% Senior Secured Notes due June 2031 \| PPA Company 5
Subsidiary, Sale of Stock [Line Items]
Debt face amount						$ 136,000
Interest rate percentage						3.04%
Senior Secured Notes \| 2.5% Green Convertible Senior Notes due August 2025
Subsidiary, Sale of Stock [Line Items]
Long-term debt	223,355	$ 222,863		223,355
Non-recourse debt, non-current	$ 223,355	$ 222,863		$ 223,355
Interest rate percentage	2.50%	2.50%		2.50%			2.50%