Commitments and Contingencies - Schedule of Contractual Obligations (Details) - USD ($) $ in Thousands |
Sep. 30, 2025 |
Dec. 31, 2024 |
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|---|---|---|---|---|---|---|---|---|
| Debt | ||||||||
| Total | $ 2,151,138 | $ 1,768,955 | ||||||
| Lease and License Obligations | ||||||||
| Total | 21,324 | |||||||
| Lease and license obligations, less than 1 year | 3,179 | |||||||
| Contractual Obligations, Total | ||||||||
| Total | 2,201,413 | 1,807,241 | ||||||
| Less than 1 year | 428,251 | 173,246 | ||||||
| 1 - 3 years | 643,636 | 897,640 | ||||||
| 3 - 5 years | 644,543 | 289,379 | ||||||
| After 5 years | 484,983 | 446,976 | ||||||
| Principal Outstanding | 2,180,005 | 1,783,265 | ||||||
| SBA Debentures | ||||||||
| Debt | ||||||||
| Total | [1] | 340,717 | 271,371 | |||||
| Contractual Obligations, Total | ||||||||
| Principal Outstanding | [1] | 350,000 | 279,000 | |||||
| February 2025 Notes | ||||||||
| Debt | ||||||||
| Total | 0 | 49,981 | ||||||
| Contractual Obligations, Total | ||||||||
| Principal Outstanding | 0 | 50,000 | ||||||
| June 2025 Notes | ||||||||
| Debt | ||||||||
| Total | 0 | 69,919 | ||||||
| Contractual Obligations, Total | ||||||||
| Principal Outstanding | 0 | 70,000 | ||||||
| June 2025 3-Year Notes | ||||||||
| Debt | ||||||||
| Total | 0 | 49,926 | ||||||
| Contractual Obligations, Total | ||||||||
| Principal Outstanding | 0 | 50,000 | ||||||
| March 2026 A Notes | ||||||||
| Debt | ||||||||
| Total | 49,961 | 49,889 | ||||||
| Contractual Obligations, Total | ||||||||
| Principal Outstanding | 50,000 | 50,000 | ||||||
| March 2026 B Notes | ||||||||
| Debt | ||||||||
| Total | 49,957 | 49,880 | ||||||
| Contractual Obligations, Total | ||||||||
| Principal Outstanding | 50,000 | 50,000 | ||||||
| June 2030 Notes | ||||||||
| Debt | ||||||||
| Total | 342,219 | 0 | ||||||
| Contractual Obligations, Total | ||||||||
| Principal Outstanding | 350,000 | 0 | ||||||
| 2031 Asset-Backed Notes | ||||||||
| Debt | ||||||||
| Total | 88,391 | 118,769 | ||||||
| Contractual Obligations, Total | ||||||||
| Principal Outstanding | 88,639 | 119,475 | ||||||
| 2033 Notes | ||||||||
| Debt | ||||||||
| Total | 39,124 | 39,043 | ||||||
| Contractual Obligations, Total | ||||||||
| Principal Outstanding | 40,000 | 40,000 | ||||||
| September 2026 Notes | ||||||||
| Debt | ||||||||
| Total | 324,057 | 323,321 | ||||||
| Contractual Obligations, Total | ||||||||
| Principal Outstanding | 325,000 | 325,000 | ||||||
| January 2027 Notes | ||||||||
| Debt | ||||||||
| Total | 348,263 | 347,265 | ||||||
| Contractual Obligations, Total | ||||||||
| Principal Outstanding | 350,000 | 350,000 | ||||||
| 2028 Convertible Notes | ||||||||
| Debt | ||||||||
| Total | 279,747 | 0 | ||||||
| Contractual Obligations, Total | ||||||||
| Principal Outstanding | 287,500 | 0 | ||||||
| SMBC Facility | ||||||||
| Debt | ||||||||
| Total | [2],[3] | 222,702 | 283,591 | |||||
| Contractual Obligations, Total | ||||||||
| Principal Outstanding | [2],[3] | 222,866 | 283,790 | |||||
| MUFG Bank Facility | ||||||||
| Debt | ||||||||
| Total | 66,000 | 116,000 | ||||||
| Contractual Obligations, Total | ||||||||
| Principal Outstanding | 66,000 | 116,000 | ||||||
| Debt investments | ||||||||
| Debt | ||||||||
| Total | 2,180,005 | 1,783,265 | ||||||
| Debt, less than 1 year | 425,000 | 170,000 | ||||||
| Debt, 1-3 years | 637,500 | 891,000 | ||||||
| Debt, 3-5 years | 638,866 | 283,790 | ||||||
| Debt, after 5 years | 478,639 | 438,475 | ||||||
| Lease and License Obligations | ||||||||
| Lease and License Obligations | ||||||||
| Total | 21,408 | 23,976 | ||||||
| Lease and license obligations, less than 1 year | 3,251 | 3,246 | ||||||
| Lease and license obligations, 1-3 years | 6,136 | 6,640 | ||||||
| Lease and license obligations, 3-5 years | 5,677 | 5,589 | ||||||
| Lease and license obligations, after 5 years | $ 6,344 | $ 8,501 | ||||||
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following Third fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). No definition available.
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following Third fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). No definition available.
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| X | ||||||||||
- Definition Amount of contractual obligation, including, but not limited to, long-term debt, lease obligation, purchase obligation, and other commitments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of contractual obligation to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of contractual obligation to be paid in fourth and fifth fiscal years following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of contractual obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of contractual obligation to be paid in second and third fiscal years following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth and fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second and third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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