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Subsequent Events
 3 Months Ended
Dec. 31, 2021
Subsequent Events [Abstract]  
Subsequent Events
(13)
Subsequent Events
The Company and BP Capital Fund Services, LLC mutually terminated the
sub-advisory
agreement for the Hennessy Energy Transition Fund and the Hennessy Midstream Fund as of January 31, 2022. These funds are now managed internally by the Company.