Stockholders' Equity - Warrants (Details) - Star Peak Energy Transition Corp [Member]	3 Months Ended	12 Months Ended
Mar. 31, 2021 USD ($) D $ / shares	Dec. 31, 2020 D $ / shares
Redemption of Warrants When the Price per Share of Class A Common Stock Equals or Exceeds $18.00
Class of Warrant or Right [Line Items]
Stock price trigger for redemption of public warrants (in dollars per share)	$ 18.00	$ 18.00
Redemption price per public warrant (in dollars per share)	$ 0.01	$ 0.01
Minimum threshold written notice period for redemption of public warrants	30 days	30 days
Threshold trading days for redemption of public warrants	20	20
Threshold consecutive trading days for redemption of public warrants	30	30
Redemption period		30 days
Threshold business days before sending notice of redemption to warrant holders	3 days	3 days
Redemption of Warrants When the Price per Share of Class A Common Stock Equals or Exceeds $10.00
Class of Warrant or Right [Line Items]
Stock price trigger for redemption of public warrants (in dollars per share)	$ 10.00	$ 10.00
Redemption price per public warrant (in dollars per share)	$ 0.10	$ 0.10
Minimum threshold written notice period for redemption of public warrants	30 days	30 days
Threshold trading days for redemption of public warrants \| D	20	20
Threshold consecutive trading days for redemption of public warrants \| D	30	30
Threshold business days before sending notice of redemption to warrant holders	3 days	3 days
Redeemable warrants
Class of Warrant or Right [Line Items]
Public Warrants exercisable term after the completion of a business combination	30 days	30 days
Public Warrants exercisable term from the closing of the initial public offering	12 months	12 months
Public Warrants expiration term	5 years	5 years
Period For Filing registration Statement After Business Combination		20 days
Redemption period	30 days
Threshold issue price per share	$ 9.20	$ 9.20
Percentage of gross proceeds on total equity proceeds	60.00%	60.00%
Threshold trading days determining volume weighted average price	20 days	20 days
Adjustment of exercise price of warrants based on market value and newly issued price (as a percent)	115.00%	115.00%
Adjustment of redemption price of stock based on market value and newly issued price 2 (as a percent)	180.00%	180.00%
Threshold period for not to transfer, assign or sell any of their shares or warrants after the completion of the initial business combination	30 days	30 days

Percentage of adjustment of exercise price of warrants based on market value and newly issued price.

No definition available.

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- Definition

Percentage of adjustment of redemption price of stock based on market value and newly issued price.

+ References

No definition available.

+ Details

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- Definition

The minimum threshold period during which a written notice is required for redemption of warrants, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Price of the entity's common stock which would be required to be attained to trigger the redemption of warrants.

+ References

No definition available.

+ Details

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- Definition

Threshold number of specified consecutive trading days for stock price trigger considered for redemption of warrants.

+ References

No definition available.

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- Definition

Threshold number of specified trading days for stock price trigger considered for redemption of warrants.

+ References

No definition available.

+ Details

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- Definition

Redemption price per share or per unit of warrants or rights outstanding.

+ References

No definition available.

+ Details

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- Definition

The percentage of total equity related to new issuances which would trigger an adjustment in the exercise price of the warrant.

+ References

No definition available.

+ Details

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- Definition

The maximum period of time in which the registrant must file a registration statement with the SEC after completion of a business combination.

+ References

No definition available.

+ Details

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- Definition

The minimum threshold redemption period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Represents the information pertaining to threshold issue price for capital raising purposes in connection with the closure of a business combination.

+ References

No definition available.

+ Details

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- Definition

The minimum threshold period of business days before sending notice of redemption to warrant holders, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

The threshold number of specified trading period determining volume weighted average trading price , in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

The threshold period for not to transfer, assign or sell any of the shares or warrants, after the completion of the initial business combination.

+ References

No definition available.

+ Details

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- Definition

The warrants exercisable term after the completion of a business combination, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

The warrants exercisable term from the closing of the initial public offering, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

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

No definition available.

+ Details

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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=117815213&loc=d3e19207-110258

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