Debt Covenant, Minimum Debt Service Reserves Required

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

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

+ References

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- Definition

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

+ References

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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.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

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Outstanding Loans and Security Agreements - Non-recourse Debt Facilities (Additional Information) (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020	Nov. 01, 2021	Dec. 31, 2015	Jun. 30, 2015	Dec. 31, 2012
Debt Instrument [Line Items]
Unused borrowing capacity	$ 759,000	$ 968,000
Term loan \| Term Loan due September 2028, Non-Recourse
Debt Instrument [Line Items]
Interest rate percentage	7.50%	7.50%
Term loan \| Term Loan due December 2021, Non-Recourse
Debt Instrument [Line Items]
Interest rate percentage	2.50%	2.50%
LIBOR margin (as a percentage)	2.50%	2.50%
Senior secured notes \| Senior Secured Notes due March 2030, Non-Recourse
Debt Instrument [Line Items]
Interest rate percentage	6.07%	6.07%
PPA Company 3a \| Term loan \| Term Loan due September 2028, Non-Recourse
Debt Instrument [Line Items]
Interest rate percentage						7.50%
Debt face amount						$ 46,800,000
Debt minimum debt service reserves required	$ 3,600,000	$ 3,800,000
PPA Company 4 \| Senior secured notes \| Senior Secured Notes due March 2030, Non-Recourse
Debt Instrument [Line Items]
Interest rate percentage				6.07%
Debt minimum debt service reserves required	$ 8,900,000	8,500,000
PPA Company 5 \| Term loan \| Term Loan due December 2021, Non-Recourse
Debt Instrument [Line Items]
Debt face amount					$ 131,200,000
Commitment fee percentage	0.50%
PPA Company 5 \| Term loan \| Term Loan due December 2021, Years One Through Three, Non-Recourse \| LIBOR
Debt Instrument [Line Items]
LIBOR margin (as a percentage)	2.25%
PPA Company 5 \| Term loan \| Term Loan due December 2021, After Year Three, Non-Recourse \| LIBOR
Debt Instrument [Line Items]
LIBOR margin (as a percentage)	2.50%
PPA Company 5 \| Term loan \| Term Loan Due June 2031, Non-Recourse \| Subsequent Event
Debt Instrument [Line Items]
Interest rate percentage			3.04%
Debt face amount			$ 136,000,000
PPA Company 5 \| Letters of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 6,200,000				$ 6,400,000
Amount outstanding	5,400,000	5,200,000
Unused borrowing capacity	$ 800,000	$ 1,000,000