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Fair Value Measurements - Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total assets at fair value | $ 59,511 |  | $ 13,751
Total liabilities at fair value | 25,740 |  | 5,808
Level 1 | Money Market Funds |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Money market fund | 23,111 |  | 13,751
Level 1 | Public Warrants |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Warrant liabilities | 990 |  | 3,758
Level 3 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Contingent consideration asset related to sale of business | 27,700 |  | 0
Indemnity holdback related to sale of business | 8,700 |  | 0
Share-based payment liability-classified | 15,138 |  | 0
Equity consideration in escrow and contingent consideration - Keystone acquisition | 9,072 |  | 0
Level 3 | Prepaid Expenses and Other Current Assets |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Indemnity holdback related to sale of business |  | $ 167 |
Level 3 | Other Noncurrent Liabilities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Share-based payment liability-classified |  | 1,246 |
Level 3 | Accounts Payable and Accrued Liabilities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Equity consideration in escrow and contingent consideration - Keystone acquisition |  | $ 42 |
Level 2 | Private Warrants |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Warrant liabilities | $ 540 |  | $ 2,050

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