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Debt Obligations - Non-Operating Corporate 2027 Convertible Notes Narrative (Details) |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2025 USD ($) | Aug. 04, 2025 USD ($) $ / shares shares | Aug. 31, 2025 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2025 USD ($) | Dec. 31, 2024 USD ($) | Feb. 01, 2021
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total aggregate finance lease and debt principal payments | $ 700,400,000 |  |  | $ 700,400,000 | $ 700,400,000 | $ 668,300,000 |
Non-Operating Corporate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total aggregate finance lease and debt principal payments | 480,100,000 |  |  | 480,100,000 | 480,100,000 | 429,900,000 |
Secured Debt | Non-Operating Corporate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total aggregate finance lease and debt principal payments | $ 45,100,000 |  |  | $ 45,100,000 | $ 45,100,000 |  |
7.50% Convertible Senior Notes | Non-Operating Corporate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate | 7.50% |  |  | 7.50% | 7.50% |  |
Outstanding debt | $ 200,000 |  |  | $ 200,000 | $ 200,000 | 48,900,000 |
7.50% Convertible Senior Notes | Secured Debt | Non-Operating Corporate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  | 7.50%
Debt conversion, amount exchanged |  | $ 48,700,000 |  |  |  |  |
Convertible notes, conversion ratio |  | 0.04750 |  |  |  |  |
9.50% Convertible Senior Notes | Secured Debt | Non-Operating Corporate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate | 9.50% | 9.50% |  | 9.50% | 9.50% |  |
Face amount |  | $ 53,500,000 |  |  |  |  |
Debt issued, percentage of par value |  | 100.00% |  |  |  |  |
Debt conversion, maximum number of shares to be issued | shares |  | 1,543,174 |  |  |  |  |
Convertible notes, conversion ratio | 0.0236327 | 0.0236327 |  |  |  |  |
Debt conversion, share issued (in shares) | shares |  | 1,263,308 |  |  |  |  |
Conversion price (in usd per share) | $ / shares |  | $ 42.31 |  |  |  |  |
Offset recorded to additional paid-in capital (APIC) |  | $ 500,000 |  |  |  |  |
Debt issuance costs |  | 2,900,000 |  |  |  |  |
Deferred financing fees | $ 200,000 | 200,000 |  | $ 200,000 | $ 200,000 |  |
Unamortized discount | 1,000,000 | 500,000 |  | 1,000,000 | 1,000,000 |  |
Unamortized premium |  | $ 2,400,000 |  |  |  |  |
Interest rate, effective percentage |  | 11.10% |  |  |  |  |
Interest expense, debt |  |  |  | 1,000,000 | 1,000,000 |  |
Total aggregate finance lease and debt principal payments | 52,300,000 |  |  | 52,300,000 | 52,300,000 |  |
Outstanding debt | $ 53,500,000 |  |  | $ 53,500,000 | $ 53,500,000 | 0 |
Foreign subsidiary voting stock percentage threshold |  | 65.00% |  |  |  |  |
Redemption price percentage |  | 100.00% |  |  |  |  |
Fundamental change repurchase price percentage |  | 100.00% |  |  |  |  |
Conversion denomination multiple |  | $ 1.00 |  |  |  |  |
Default grace period for payment days |  | 30 days |  |  |  |  |
Default grace period for covenant breach days |  | 60 days |  |  |  |  |
Holders percentage required to declare default |  | 25.00% |  |  |  |  |
Judgment default threshold |  | $ 20,000,000 |  |  |  |  |
Judgment default grace period days |  | 60 days |  |  |  |  |
10.50% Senior Secured Notes | Secured Debt | Non-Operating Corporate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate | 10.50% |  | 10.50% | 10.50% | 10.50% |  |
Face amount |  |  | $ 360,400,000 |  |  |  |
Debt issued, percentage of par value |  |  | 100.00% |  |  |  |
Convertible notes, conversion ratio |  |  | 0.05250 |  |  |  |
Deferred financing fees | $ 1,200,000 |  |  | $ 1,200,000 | $ 1,200,000 |  |
Unamortized discount | $ 16,600,000 |  |  | $ 16,600,000 | $ 16,600,000 |  |
Interest rate, effective percentage | 14.40% |  |  | 14.40% | 14.40% |  |
Total aggregate finance lease and debt principal payments | $ 342,600,000 |  |  | $ 342,600,000 | $ 342,600,000 |  |
Outstanding debt | $ 360,400,000 |  |  | $ 360,400,000 | $ 360,400,000 | $ 0 |
Foreign subsidiary voting stock percentage threshold |  |  | 65.00% |  |  |  |
Redemption price percentage |  |  | 100.00% |  |  |  |
Default grace period for payment days |  |  | 30 days |  |  |  |
Default grace period for covenant breach days |  |  | 60 days |  |  |  |
Holders percentage required to declare default |  |  | 30.00% |  |  |  |
Judgment default threshold |  |  | $ 20,000,000 |  |  |  |
Judgment default grace period days |  |  | 60 days |  |  |  |

X
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