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Debt and Financing Lease Liabilities - Additional Information (Details) |  |  |  |  |  |  |  |  | 1 Months Ended | 5 Months Ended | 9 Months Ended |  |  |  |  |  |
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Sep. 30, 2023 USD ($) | Sep. 28, 2023 USD ($) | Aug. 24, 2023 USD ($) | Aug. 18, 2023 USD ($) | Aug. 04, 2023 USD ($) | May 31, 2023 USD ($) | Apr. 18, 2023 USD ($) lender | Mar. 31, 2023 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($) | Aug. 23, 2023 | Mar. 31, 2023 CAD ($) | Mar. 30, 2023 USD ($) | Mar. 28, 2023 USD ($) note | Mar. 17, 2023 bank | Mar. 16, 2023
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment on seller's promissory note |  |  |  |  |  |  |  |  |  |  |  | $ 12,500,000 | $ 0 |  |  |  |  |  |
Bright Canyon Corporation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate, percentage | 5.00% |  |  |  |  |  |  |  | 5.00% | 5.00% | 5.00% | 5.00% |  |  |  |  |  |  |
Asset acquisition, total purchase price |  |  |  |  | $ 76,758,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash payment for asset acquisition |  |  |  |  | 5,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payable to seller | $ 34,194,000 |  |  |  | 46,694,000 |  |  |  | $ 34,194,000 | $ 34,194,000 | $ 34,194,000 | $ 34,194,000 |  |  |  |  |  |  |
Asset acquisition, debt assumed |  |  |  |  | $ 36,270,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment on seller's promissory note |  |  |  |  |  |  |  |  |  | 12,500,000 |  |  |  |  |  |  |  |  |
Bright Canyon Corporation | Earlier Of Phase 2 Close Date Or December 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payable to seller | 5,900,000 |  |  |  |  |  |  |  | 5,900,000 | 5,900,000 | 5,900,000 | 5,900,000 |  |  |  |  |  |  |
Bright Canyon Corporation | January 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payable to seller | $ 28,294,000 |  |  |  |  |  |  |  | $ 28,294,000 | $ 28,294,000 | $ 28,294,000 | $ 28,294,000 |  |  |  |  |  |  |
Interest rate swap instruments | Designated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  |  |  | $ 14,084,000 |  |  |  |  |  |  |  | $ 14,084,000 |  |  |
None-recourse Term Shelf Notes Due December 2047 | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate, percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.99% |  |
Number of notes | note |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |
Original principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 22,625,000 |  |
Debt issuance costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 282,000 |  |
Debt discount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,123,000 |  |
Term Loan Due March 28, 2028 | Secured Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 14,084,000 |  |  |
Fixed interest rate, percentage | 7.17% |  |  |  |  |  |  |  | 7.17% | 7.17% | 7.17% | 7.17% |  |  |  | 7.17% |  |  |
Term Loan Due March 28, 2028 | Term Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 359,000 |  |  |
Term Loan Due March 28, 2028 | Letter of Credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 899,000 |  |  |
Revolving Credit Facility | Senior Secured Credit Facility, Revolver And Term Loans | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, number of banks | bank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 |
Revolving Credit Facility | Senior Secured Credit Facility, Revolver And Term Loans | Line of Credit | Quarters ending March 31, 2023 and June 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total funded debt to EBITDA covenant ratio, maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.00 | 3.50
Revolving Credit Facility | Senior Secured Credit Facility, Revolver And Term Loans | Line of Credit | Quarter ending September 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total funded debt to EBITDA covenant ratio, maximum |  |  | 4.25 |  |  |  |  |  |  |  |  |  |  | 3.50 |  |  |  |  |
Revolving Credit Facility | Senior Secured Credit Facility, Revolver And Term Loans | Line of Credit | Thereafter |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total funded debt to EBITDA covenant ratio, maximum |  |  | 3.50 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.5 |
Revolving Credit Facility | Delayed Draw Term Loan | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  | $ 220,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt restructuring costs |  |  | 55,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment due November 15, 2023 |  |  | $ 45,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | Non-recourse Fixed Rate Note, Due August, 2039 | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  | $ 500,000,000 |  |  |  | $ 215,000,000 |  | 125,000,000 |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate, percentage |  | 6.70% |  |  |  | 6.38% |  |  |  |  |  |  |  |  |  | 6.50% |  |  |
Proceeds from lines of credit |  | $ 135,544,000 |  |  |  | $ 90,000,000 |  | $ 30,000,000 |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, additional borrowing capacity |  |  |  |  |  | $ 90,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit | $ 334,717,000 |  |  |  |  |  |  |  | $ 334,717,000 | $ 334,717,000 | $ 334,717,000 | $ 334,717,000 |  |  |  |  |  |  |
Internal rate of return, percentage | 8.51% |  |  |  |  |  |  |  | 8.51% | 8.51% | 8.51% | 8.51% |  |  |  |  |  |  |
Revolving Credit Facility | Non-recourse Fixed Rate Note, Due August, 2039 | Line of Credit | August 31, 2027 through August 31, 2029 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Internal rate of return prepayment percentage |  |  |  |  |  |  |  | 102.00% |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | Non-recourse Fixed Rate Note, Due August, 2039 | Line of Credit | September 1, 2029 through August 30, 2031 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Internal rate of return prepayment percentage |  |  |  |  |  |  |  | 101.00% |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | Non-recourse construction revolvers | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100,000,000 |  |  |  |
Fixed interest rate, percentage | 2.00% |  |  |  |  |  |  | 2.00% | 2.00% | 2.00% | 2.00% | 2.00% |  |  | 2.00% |  |  |  |
Line of credit | $ 0 |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 0 | $ 0 |  |  |  |  |  |  |
Line of credit facility, availability period |  |  |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | Non-recourse construction revolvers | Line of Credit | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate, percentage | 1.00% |  |  |  |  |  |  |  | 1.00% | 1.00% | 1.00% | 1.00% |  |  |  |  |  |  |
Debt instrument term | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | Non-recourse construction revolvers | Line of Credit | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate, percentage | 3.00% |  |  |  |  |  |  |  | 3.00% | 3.00% | 3.00% | 3.00% |  |  |  |  |  |  |
Debt instrument term | 20 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | Non-recourse Construction Credit Facility, Due July 2024 | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate, percentage |  |  |  |  |  |  | 6.54% |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | Non-recourse Construction Credit Facility, Due July 2024 | Line of Credit | Corporate Joint Venture |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  | $ 140,844,000 |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from lines of credit |  |  |  |  |  |  | $ 90,921,000 |  |  |  | $ 32,206,000 |  |  |  |  |  |  |  |
Number of lenders | lender |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | Non-recourse Construction Credit Facility | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate, percentage |  |  |  | 9.32% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  | 4.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | Non-recourse Construction Credit Facility | Line of Credit | Corporate Joint Venture |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 300,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from lines of credit |  |  |  | 200,000,000 |  |  |  |  | $ 15,240,000 |  |  |  |  |  |  |  |  |  |
Proceeds used to reimburse development and construction cost |  |  |  | $ 187,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unused commitment fee percentage |  |  |  | 0.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity extension option period |  |  |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment for extension fee |  |  |  | $ 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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