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DEBT AND FINANCING LEASE LIABILITIES - Summary of Long-term Debt (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Debt Instrument [Line Items] |  |  |
Financing lease liabilities |  | $ 13,421 | $ 13,928
Total debt and financing lease liabilities |  | 1,697,317 | 1,514,304
Less: current maturities |  | 343,247 | 322,247
Less: unamortized discount and debt issuance costs |  | 36,553 | 21,982
Long-term debt and financing lease liabilities, net of current portion, unamortized discount and debt issuance costs | [1] | 1,317,517 | 1,170,075
Secured Debt | Senior secured term loans |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross |  | 71,250 | 139,900
Secured Debt | Second lien term loan |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross |  | 100,000 | 0
Secured Debt | Energy asset term loans |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross |  | 708,437 | 564,530
Financing Facility | Long-term financing facilities |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross |  | 370,344 | 185,698
Revolving Senior Secured Credit Facility | Line of Credit |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross |  | 106,500 | 140,000
Funds available for borrowing |  | 67,110 |
Revolving Credit Facility | Line of Credit | Energy asset construction facilities |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross |  | $ 327,365 | $ 470,248
[1] | Includes restricted assets of consolidated variable interest entities (“VIEs”) at September 30, 2024 and December 31, 2023 of $214,969 and $312,701, respectively. Includes liabilities of consolidated VIEs at September 30, 2024 and December 31, 2023 of $47,259 and $199,063, respectively. See Note 13.

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