Indirect Cash Flow (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Supplemental Cash Flow Elements [Abstract]
Consolidated net (loss)/income	$ (4,273)	$ 509,089
Adjustments to reconcile consolidated net (loss)/income to net cash provided by operating activities:
Income from financial royalty assets	(541,546)	(664,687)
Provision for changes in expected cash flows from financial royalty assets	583,600	118,804
Amortization of debt discount and issuance costs	4,349	5,324
Gains on derivative financial instruments	0	(7,090)
(Gains)/losses on equity securities	(77,730)	10,818
Equity in losses/(earnings) of equity method investees	14,149	(34,606)
Distributions from equity method investees	13,396	16,267
Share-based compensation	612	573
Gains on available for sale debt securities	(46,420)	(32,300)
Other	3,047	3,147
Changes in operating assets and liabilities:
Cash collected on financial royalty assets	744,949	1,151,635
Other royalty income receivable	178	(1,200)
Other current assets	13,028	275
Accounts payable and accrued expenses	(3,614)	(1,249)
Interest payable	(39,087)	(40,963)
Net cash provided by operating activities	$ 664,638	$ 1,033,837