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v3.25.3

Debt - Narrative (Details) |  |  | 1 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Jul. 30, 2025 USD ($) | Aug. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |
Proceeds from short-term financings |  |  |  | $ 0 | $ 100,000,000 |
Repayment of short-term financings |  |  |  | 25,000,000 | $ 109,820,000 |
Short-term financing |  |  |  | 0 |  | $ 120,000,000
Revolving line of credit, long-term |  |  |  | 95,000,000 |  | 0
Debt, long-term and short-term, combined amount |  |  |  | 96,700,000 |  |
Accrued unpaid interest |  |  |  | 300,000 |  | 1,200,000
Previous Shareholder Loan Agreements, Weichai | Subordinated Debt |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Payment for debt extinguishment or debt prepayment cost |  | $ 60,000,000 |  |  |  |
Short-term financing |  | $ 25,000,000 |  |  |  |
Shareholder’s Loan Agreement | Subordinated Debt |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate (as percent) |  | 4.05% |  |  |  |
Debt instrument, face amount |  | $ 105,000,000.0 |  |  |  |
Debt instrument, incremental borrowing cost (as percent) |  | 1.00% |  |  |  |
Debt instrument, amount not subject to subordination |  | $ 10,000,000 |  |  |  |
Short-term financing |  |  |  | 0 |  | 25,000,000
Repayments of long-term debt |  |  | $ 10,200,000 |  |  |
Revolving Credit Facility | Revolving Credit Agreement | Line of Credit |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maximum borrowing capacity | $ 135,000,000.0 |  |  |  |  |
Basis spread on variable rate (as percent) | 2.10% |  |  |  |  |
Debt issuance costs | $ 1,200,000 |  |  |  |  |
Revolving line of credit, long-term |  |  |  | 95,000,000 |  |
Revolving Credit Facility | Revolving Credit Agreement | Line of Credit |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maximum borrowing capacity | $ 135,000,000 | $ 120,000,000.0 |  |  |  |
Basis spread on variable rate (as percent) |  | 2.00% |  |  |  |
Debt issuance costs |  | $ 600,000 |  |  |  |
Proceeds from short-term financings |  | 100,000,000 |  |  |  |
Short-term financing |  |  |  | $ 0 |  | $ 95,000,000
Majority shareholder ownership threshold for variable rate increase (as percent) | 0.50 |  |  |  |  |
Revolving Credit Facility | Revolving Credit Agreement - In Event Majority Shareholder Holds Less Than 50% Of Equity | Line of Credit |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate (as percent) | 2.60% |  |  |  |  |
Revolving Credit Facility | Fourth Amended And Restated Credit Agreement | Line of Credit |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Repayment of short-term financings |  | $ 40,000,000 |  |  |  |

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- Definition Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (g) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 + Details
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