Discontinued Operations - Summary of discontinued operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Schedule of Equity Method Investments [Line Items]
Provision for income tax expense	$ (400)
Total net income from discontinued operations		$ 14,313
9.5% Non-Recourse 2035 Notes
Schedule of Equity Method Investments [Line Items]
Interest rate (as a percent)	9.50%	9.50%
Disposed of by Sale | TRC | Royalty Pharma
Schedule of Equity Method Investments [Line Items]
Income from investments in TRC, LLC		$ 25,110
Transaction-related legal expenses (prior to July 20, 2022)		(1,279)
Total net income from discontinued operations		14,313
Disposed of by Sale | TRC | Royalty Pharma | 9.5% Non-Recourse 2035 Notes
Schedule of Equity Method Investments [Line Items]
Interest expenses		$ (9,518)