Equity Instruments - Fair Value Assumptions (Details) - Common Stock Warrants - alternative_energy_credit	Mar. 31, 2022	Dec. 31, 2021
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants term	4 years 6 months	4 years 9 months
Current stock price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrant, measurement input	9.31	7.81
Expected volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrant, measurement input	0.348	0.405
Risk-free interest rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrant, measurement input	0.024	0.012
Dividend rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrant, measurement input	0	0

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.

No definition available.

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- Definition

Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.

+ 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 (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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- Definition

Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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