v3.25.4

Outstanding Loans and Security Agreements - Schedule of Total Interest Expense and Amortization of Debt Issuance Costs (Details) - USD ($) $ in Thousands |  |  |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Nov. 04, 2025 | May 29, 2024 | May 16, 2023 | Aug. 11, 2020 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Oct. 30, 2025 | May 07, 2025
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Interest expense | [1] |  |  |  |  | $ 53,888 | $ 62,636 | $ 108,299 |  |
Unamortized debt issuance costs |  |  |  |  |  | 61,054 | 25,265 |  |  |
Senior Secured Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Contractual interest expense |  |  |  |  |  | 29,689 | 30,151 | 17,662 |  |
Amortization of the initial purchasers’ discount and other issuance costs |  |  |  |  |  | 8,223 | 6,807 | 4,419 |  |
Interest expense |  |  |  |  |  | $ 37,912 | 36,958 | 22,081 |  |
Unamortized debt issuance costs |  |  |  |  |  |  |  |  | $ 18,700 |
0% Convertible Senior Notes due November 2030 | Senior Secured Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  | 0.00% |  |  |  |
Contractual interest expense |  |  |  |  |  | $ 0 | 0 | 0 |  |
Amortization of the initial purchasers’ discount and other issuance costs |  | $ 9,800 |  |  |  | 1,848 | 0 | 0 |  |
Interest expense |  |  |  |  |  | 1,848 | 0 | 0 |  |
Unamortized debt issuance costs |  |  |  |  |  | $ 57,909 | 0 |  |  |
3.0% Green Convertible Senior Notes due June 2029 | Senior Secured Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  | 3.00% |  |  |  |
Contractual interest expense |  |  |  |  |  | $ 12,169 | 7,111 | 0 |  |
Amortization of the initial purchasers’ discount and other issuance costs |  |  | $ 700 |  |  | 2,614 | 1,500 | 0 |  |
Interest expense |  |  |  |  |  | 14,783 | 8,611 | 0 |  |
Unamortized debt issuance costs |  |  |  |  |  | $ 1,652 | $ 11,261 |  |  | $ 3,300
3.0% Green Convertible Senior Notes due June 2028 | Senior Secured Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  | 3.00% | 3.00% |  |  |
Contractual interest expense |  |  |  |  |  | $ 16,444 | $ 18,975 | 11,912 |  |
Amortization of the initial purchasers’ discount and other issuance costs |  |  |  | $ 3,900 |  | 3,393 | 3,915 | 2,450 |  |
Interest expense |  |  |  |  |  | 19,837 | 22,890 | 14,362 |  |
Unamortized debt issuance costs |  |  |  |  |  | $ 1,493 | $ 13,389 |  |  |
2.5% Green Convertible Senior Notes due August 2025 | Senior Secured Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  | 2.50% | 2.50% |  |  |
Contractual interest expense |  |  |  |  |  | $ 1,076 | $ 4,065 | 5,750 |  |
Amortization of the initial purchasers’ discount and other issuance costs |  |  |  |  | $ 3,000 | 368 | 1,392 | 1,969 |  |
Interest expense |  |  |  |  |  | 1,444 | 5,457 | $ 7,719 |  |
Unamortized debt issuance costs |  |  |  |  |  | $ 0 | $ 615 |  |  |
[1] | Including related party interest expense of $0.1 million, $0.2 million and $0.1 million for the years ended December 31, 2025, 2024 and 2023, respectively.

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