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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 9 Months Ended
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Sep. 30, 2021
Accounting Policies [Abstract] |
Disaggregation of revenue |
Disaggregation of revenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
|  | (In thousands) |
Paid-up revenue agreements |  | $ | 1,100 |  |  | $ | 19,385 |  |  | $ | 23,110 |  |  | $ | 24,477 |
Recurring Revenue Agreements |  |  | 482 |  |  |  | 81 |  |  |  | 1,675 |  |  |  | 922 |
Total revenue |  | $ | 1,582 |  |  | $ | 19,466 |  |  | $ | 24,785 |  |  | $ | 25,399 |
Schedule of equity securities |
Schedule of equity securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Security Type |  | Cost |  |  | Gross Unrealized Gain |  |  | Gross Unrealized Loss |  |  | Fair Value |
|  | (In thousands) |
September 30, 2021: |  |  |  |  |  |  |  |  |  |  |  |
Equity securities - Life Sciences Portfolio (Note 3) |  | $ | 62,042 |  |  | $ | 288,508 |  |  | $ | (1,812 | ) |  | $ | 348,738 |
Equity securities - other equity |  |  | 35,178 |  |  |  | 3,289 |  |  |  | (85 | ) |  |  | 38,382 |
Total |  | $ | 97,220 |  |  | $ | 291,797 |  |  | $ | (1,897 | ) |  | $ | 387,120 |
December 31, 2020: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity securities - Life Sciences Portfolio (Note 3) |  | $ | 32,765 |  |  | $ | 72,689 |  |  | $ | (583 | ) |  | $ | 104,871 |
Equity securities - other equity |  |  | 4,086 |  |  |  | 1,410 |  |  |  | (1,264 | ) |  |  | 4,232 |
Total |  | $ | 36,851 |  |  | $ | 74,099 |  |  | $ | (1,847 | ) |  | $ | 109,103 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 + Details
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- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
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