Collaborative Arrangement, Rights and Obligations, Deferred Milestone Payment

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Collaborative Arrangement, Rights and Obligations, Interest Accrual Percentage

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Collaborative Arrangement, Rights and Obligations, Milestone Payment

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Earnings on equity investment in joint venture

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Return on prepayment

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Contractual interest rate for funds borrowed, under the debt agreement.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Fair value portion of investments accounted under the equity method.

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Amount of realized gain from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of interest income earned from interest bearing assets classified as other.

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Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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For an unclassified balance sheet, amounts due from parties associated with the reporting entity as evidenced by a written promise to pay.

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The cash outflow associated with the purchase of all investments (debt, security, other) during the period.

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Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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EQUITY SECURITIES PORTFOLIO INVESTMENT - Narrative (Details) £ in Thousands, $ in Thousands			3 Months Ended		12 Months Ended
	Apr. 03, 2020 USD ($)	Apr. 03, 2020 GBP (£)	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 GBP (£)	Apr. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)	Oct. 13, 2021 USD ($)	Dec. 03, 2020
Offsetting Liabilities [Line Items]
Fair value of investment			$ 246,484					$ 361,778
Earnings on equity investment in joint venture			0	$ 2,730
Interest income, other			78
Notes receivable, related parties									$ 4,000
Subsequent Event \| MalinJ1
Offsetting Liabilities [Line Items]
Milestone payment							$ 40,000
Deferred milestone payment							$ 25,600
Interest accrual percentage							8.50%
Other Noncurrent Assets
Offsetting Liabilities [Line Items]
Notes receivable, related parties			$ 4,000					4,000
Unsecured Debt
Offsetting Liabilities [Line Items]
Interest rate									8.00%
Arix
Offsetting Liabilities [Line Items]
Equity method investment ownership			21.00%
Fair value of investment			$ 41,700
MalinJ1
Offsetting Liabilities [Line Items]
Equity method investment ownership			41.00%
Ownership percentage										63.90%
Earnings on equity investment in joint venture			$ 0	$ 2,700
MalinJ1 \| Subsequent Event
Offsetting Liabilities [Line Items]
Interest accrual percentage							8.50%
Equity Securities
Offsetting Liabilities [Line Items]
Investment at fair value			$ 163,700					$ 343,100
Option Agreement \| Portfolio Companies
Offsetting Liabilities [Line Items]
Payments to acquire investments	$ 277,500	£ 223,900
Net gain on prepaid investment					$ 2,800
Option Agreement \| Portfolio Companies \| United Kingdom, Pounds
Offsetting Liabilities [Line Items]
Return on prepayment \| £						£ 4,500
Proceeds from sale of debt securities \| £						£ 33