1001 - Disclosure - N-2 - [Fee Table] link:presentationLink link:definitionLink link:calculationLink 1002 - Disclosure - N-2 - [Investment Objectives] link:presentationLink link:definitionLink link:calculationLink 1003 - Disclosure - N-2 - [Risk Factors] link:presentationLink link:definitionLink link:calculationLink 1004 - Disclosure - N-2 - [Effects of Leverage] link:presentationLink link:definitionLink link:calculationLink 1005 - Disclosure - N-2 - [Capital Stock] link:presentationLink link:definitionLink link:calculationLink 1006 - Disclosure - N-2 - [Outstanding Securities] link:presentationLink link:definitionLink link:calculationLink Brand Royalties Risks [Member] Carbon Credit Royalties Risks [Member] Entertainment Royalties Risks [Member] Other Risks Relating to the Fund [Member] Pharmaceutical and Healthcare Royalties Risks [Member] Risk Factors Relating to Royalties Created through the Permitted Exploitation of Sub-Surface Rights or Natural Resources through Licenses/Permits/Legal Rights [Member] Risks Relating to Investment Strategies, Fund Investments, and the Fund's Investment Program [Member] Transaction Specific Risks [Member] Class A [Member] Class A With Incentive Fee [Member] Class A Without Incentive Fee [Member] Class D [Member] Class D With Incentive Fee [Member] Class D Without Incentive Fee [Member] Class I [Member] Class IS [Member] Class IS With Incentive Fee [Member] Class IS Without Incentive Fee [Member] Class I With Incentive Fee [Member] Class I Without Incentive Fee [Member] Preferred Shares [Member] Shares [Member]