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v3.25.3

Debt Obligations - Non-Operating Corporate 2026 Convertible Notes Narrative (Details) $ / shares in Units, $ in Millions |  |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Aug. 04, 2025 USD ($) | Feb. 01, 2021 USD ($) $ / shares shares | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) | Jul. 31, 2024 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Accrued interest and exit fees (current portion) |  |  | $ 60.2 |  | $ 60.2 |  | $ 61.0 |
7.50% Convertible Senior Notes | Non-Operating Corporate |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate |  |  | 7.50% |  | 7.50% |  |  |
Outstanding debt |  |  | $ 0.2 |  | $ 0.2 |  | 48.9 |
7.50% Convertible Senior Notes | Convertible Debt | Non-Operating Corporate |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Face amount |  | $ 51.8 |  |  |  |  |  |
Interest rate |  | 7.50% |  |  |  |  |  |
Debt instrument, repurchase principal amount |  |  |  |  |  |  |  | $ 2.9
Debt Instrument repurchase amount |  |  |  |  |  |  |  | 1.1
Accrued interest and exit fees (current portion) |  |  |  |  |  |  |  | $ 0.1
Outstanding debt |  |  | $ 0.2 |  | $ 0.2 |  | 52.3 |
Debt issued, percentage of par value |  | 100.00% |  |  |  |  |  |
Embedded conversion feature, fair value |  | $ 12.3 |  |  |  |  |  |
Interest rate, effective percentage |  | 3.21% | 3.00% |  | 3.00% |  |  |
Unamortized premium |  | $ 12.3 |  |  |  |  | 3.8 |
Debt issuance costs |  | $ 1.1 |  |  |  |  |  |
Debt issuance costs, net |  |  |  |  |  |  | $ 0.4 |
Interest expense, debt |  |  | $ 0.1 |  |  |  |  |
Amortization of discount on investments, net |  |  |  | $ 0.4 | $ 0.9 | $ 1.3 |  |
Convertible notes, conversion ratio |  | 0.0236327 |  |  |  |  |  |
Conversion price (in usd per share) | $ / shares |  | $ 42.31 |  |  |  |  |  |
Debt conversion, share issued (in shares) | shares |  | 3,781 |  |  |  |  |  |
7.50% Convertible Senior Notes | Secured Debt | Non-Operating Corporate |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate |  | 7.50% |  |  |  |  |  |
Debt conversion, amount exchanged | $ 48.7 |  |  |  |  |  |  |
Convertible notes, conversion ratio | 0.04750 |  |  |  |  |  |  |

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