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Subsequent Events - Additional Information (Detail) - Subsequent Event
Oct. 26, 2020
$ / shares
Subsequent Event [Line Items]  
Quarterly cash distribution declared date Oct. 26, 2020
Distribution made to limited partner, increase in percentage than prior year quarter declared 1.20%
Distribution made to limited partner, increase in percentage on an annualized basis 5.00%
Distribution Date Nov. 13, 2020
Record Date Nov. 05, 2020
Class A Shares  
Subsequent Event [Line Items]  
Quarterly cash distribution declared per class A share $ 0.4417