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Consolidated Entity (Tables) | 3 Months Ended
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Mar. 31, 2025
ISP Fund LP |
Summary of Individual Investments Held by ISP Fund | The following is a summary of individual investments held by ISP Fund at each balance sheet date:
|  | March 31, |  |  | December 31, |
(In thousands) |  | 2025 |  |  | 2024 |
Common stock - Publicly traded healthcare companies |  |  |  |  |  |
United States |  | $ | 42,362 |  |  | $ | 84,039 |
United Kingdom |  |  | 1,837 |  |  |  | 1,989 |
Total common stock |  |  | 44,199 |  |  |  | 86,028 |
Preferred stock - Privately held healthcare companies |  |  |  |  |  |
United States |  |  | 2,710 |  |  |  | 53,591 |
Warrants - Privately held healthcare companies |  |  | — |  |  |  | 8,507 |
Money market fund and cash |  |  | 127,791 |  |  |  | 107,532 |
Total investments held by ISP Fund LP |  | $ | 174,700 |  |  | $ | 255,658 |

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- Definition Tabular disclosure of investment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/320/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Topic 321 -Publisher FASB -URI https://asc.fasb.org/321/tableOfContent Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Topic 325 -Publisher FASB -URI https://asc.fasb.org/325/tableOfContent + Details
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