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LONG-TERM DEBT AND BONDS PAYABLE (Tables) | 12 Months Ended
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Dec. 31, 2025
Debt Disclosure [Abstract] |
Summary of Debt | The Company’s debt balances, including related party debt, consist of the following at December 31, 2025 and 2024:
|  | December 31, |
(in thousands) |  | 2025 |  |  | 2024 |
Long-term Debt |  |  |  |  |  |
Green Convertible Notes, interest at 7.25% due semiannually; balance due at maturity in August 2030 |  | $ | 250,000 |  |  | $ | 250,000 |
Revenue Bonds, interest at 7% due semiannually; semiannual principal repayments beginning 2031, maturing 2042 |  |  | 31,900 |  |  |  | 12,800 |
CSC Equipment Financing Payable, bearing interest at a monthly charge of 3.1% of the outstanding balance financed |  |  | — |  |  |  | 19,066 |
Other Debt |  |  | 6,746 |  |  |  | 12,425 |
|  |  | 288,646 |  |  |  | 294,291 |
Less: Original issue discount and debt issuance costs classified as a reduction to long-term debt |  |  | (18,845 | ) |  |  | (24,473 | )
Less: Current portion |  |  | (6,446 | ) |  |  | (12,932 | )
Long-term debt, less current portion |  | $ | 263,355 |  |  | $ | 256,886 |
Related Party Bonds Payable |  |  |  |  |  |
Revenue Bonds due to related party, interest rates between 6.5% and 13% due semiannually; principal repayments vary by series and began June 30, 2024, fully maturing December 2042 |  |  | 118,310 |  |  |  | 105,830 |
Less: Original issue discount and debt issuance costs classified as a reduction to note payable |  |  | (24,397 | ) |  |  | (29,004 | )
Less: Current portion |  |  | (7,570 | ) |  |  | (10,355 | )
Related party debt, less current portion |  | $ | 86,343 |  |  | $ | 66,471 |
Sylebra Line of Credit, $200.0 million borrowing capacity remaining, interest at SOFR plus 17.5% at December 31, 2025 and 2024; maturing September 2027 |  | $ | — |  |  | $ | — |
Summary of Revenue Bonds |
Bond Series |  | Term |  | Principal Amount (in thousands) |  |  | Outstanding as of December 31, 2025 (in thousands) |  |  | Interest Rate |  |  | Maturity Date
2020A |  | A1 |  | $ | 12,370 |  |  | $ | — |  |  |  | 6.25 | % |  | December 1, 2025
2020A |  | A2 |  |  | 38,700 |  |  |  | 38,700 |  |  |  | 6.50 | % |  | December 1, 2030
2020A |  | A3 |  |  | 168,480 |  |  |  | 92,845 |  |  |  | 7.00 | % |  | December 1, 2042
2020B |  | B1 |  |  | 10,000 |  |  |  | — |  |  |  | 10.00 | % |  | December 1, 2025
2020B |  | B2 |  |  | 10,000 |  |  |  | 9,260 |  |  |  | 10.00 | % |  | December 1, 2027
2020C |  | C1 |  |  | 10,000 |  |  |  | 9,405 |  |  |  | 13.00 | % |  | December 1, 2027
|  |  |  | $ | 249,550 |  |  | $ | 150,210 |  |  |  |  |  |
The following provides a summary of the Company's Revenue Bonds:
|  | Year Ended December 31, |
(in thousands) |  | 2025 |  |  | 2024 |  |  | 2023 |
Amortization of deferred financing costs |  | $ | 341 |  |  | $ | 353 |  |  | $ | 838 |
Amortization of original issue discount |  |  | 7,284 |  |  |  | 4,249 |  |  |  | 257 |
|  | December 31, |
(in thousands) |  | 2025 |  |  | 2024 |
Unamortized deferred financing costs and deferred issuance costs |  | $ | 28,461 |  |  | $ | 31,054 |
Net carrying amount |  |  | 121,749 |  |  |  | 87,576 |
Summary of the Green Convertible Notes | The following provides a summary of the interest expense of the Company's Green Convertible Notes:
|  | Year Ended December 31, |
(in thousands, except interest rate) |  | 2025 |  |  | 2024 |  |  | 2023 |
Contractual interest expense |  | $ | 18,125 |  |  | $ | 18,125 |  |  | $ | 6,394 |
Amortization of deferred financing costs |  |  | 1,576 |  |  |  | 1,411 |  |  |  | 462 |
Amortization of original issue discount |  |  | 6,065 |  |  |  | 5,427 |  |  |  | 1,775 |
Effective interest rate |  |  | 11.2 | % |  |  | 11.2 | % |  |  | 11.2 | %
The following provides a summary of balances related to the Company's Green Convertible Notes included in the Consolidated Balance Sheets:
|  | December 31, |
(in thousands) |  | 2025 |  |  | 2024 |
Unamortized deferred financing costs and deferred issuance costs |  | $ | 14,781 |  |  | $ | 22,423 |
Net carrying amount |  |  | 235,219 |  |  |  | 227,577 |
Schedule of Principals Repayments Due on Long-term Debt | Principal repayments due on long-term debt and related party bonds payable over the next five years are as follows (in thousands):
Year Ending December 31, |  | Long-term Debt |  |  | Related Party Debt |
2026 |  | $ | 6,446 |  |  | $ | 7,570 |
2027 |  |  | 100 |  |  |  | 25,105 |
2028 |  |  | 100 |  |  |  | 7,710 |
2029 |  |  | 100 |  |  |  | 8,220 |
2030 |  |  | 250,000 |  |  |  | 8,760 |
Thereafter |  |  | 31,900 |  |  |  | 60,945 |
|  |  | 288,646 |  |  |  | 118,310 |
Less: Original issue discount and debt issuance costs classified as a reduction to long-term debt |  |  | (18,845 | ) |  |  | (24,397 | )
Less: Current portion |  |  | (6,446 | ) |  |  | (7,570 | )
Total |  | $ | 263,355 |  |  | $ | 86,343 |

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