Related Party Transactions (Details) - USD ($)			12 Months Ended
	Apr. 16, 2021	Dec. 08, 2017	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Related Party Transaction [Line Items]
Total distributions payable to legacy non-controlling interests			$ 94,803,000	$ 107,934,000
Financial royalty asset, net			14,184,425,000	14,332,596,000
Agreement with MSCI
Related Party Transaction [Line Items]
Initial term	7 years
Amounts due from related parties			$ 0	0
The Manager | Operating and Personnel Payments
Related Party Transaction [Line Items]
Quarterly payments to affiliates, percent of adjusted cash receipts (as a percent)			6.50%
Quarterly payments to affiliates, percent of security investment (as a percent)			0.25%
Amount calculated for operating and personal payment			$ 1,000,000
Percent for calculating operating and personal payment			0.3125%
The Manager | Former Operating and Personnel Payments
Related Party Transaction [Line Items]
Increase in quarterly installment payments (as a percent)			5.00%
Operating and personnel payments incurred			$ 188,400,000	145,200,000	$ 112,500,000
Affiliated Entity | Royalty Distribution Payable to Legacy Investors Partnerships
Related Party Transaction [Line Items]
Total distributions payable to legacy non-controlling interests			87,522,000	92,608,000
Affiliated Entity | Royalty Distribution Payable to RP Select Finance Trust
Related Party Transaction [Line Items]
Total distributions payable to legacy non-controlling interests			7,281,000	15,326,000
Affiliated Entity | Assignment Agreement - Benefit of Payment Stream | Bristol-Myers Squibb
Related Party Transaction [Line Items]
Related party, rate (as a percent)		50.00%
Affiliated Entity | Assignment Agreement - Funding Obligations | Bristol-Myers Squibb
Related Party Transaction [Line Items]
Related party, rate (as a percent)		50.00%
Financial royalty asset, net			$ 103,400,000	130,900,000
Affiliated Entity | Acquisition Of Limited Partnership Interests In Affiliate
Related Party Transaction [Line Items]
Number of limited partnership interest acquired (in shares)			27,210
Affiliated Entity | Acquisition Of Limited Partnership Interests In Affiliate | Treasury Stock
Related Party Transaction [Line Items]
Treasury interests			$ 4,300,000
Affiliated Entity | Acquisition Of Limited Partnership Interests In Affiliate | Non-Controlling Interests
Related Party Transaction [Line Items]
Treasury interests			$ 1,500,000	$ 1,600,000
Pablo Legorreta | Purchasing And Donating Ventilators
Related Party Transaction [Line Items]
Amount paid to CEO					$ 1,000,000