XML 22 R26.htm IDEA: XBRL DOCUMENT v3.20.1
Subsequent Events - Additional Information (Detail) - Limited Partners [Member] - Subsequent Event [Member]
May 14, 2020
USD ($)
Subsequent Event [Line Items]  
Subsequent subscriptions $ 1,039,999
Subsequent redemption 1,394,577
Man-AHL Diversified Trading Company L.P. [Member]  
Subsequent Event [Line Items]  
Subsequent subscriptions 2,474,995
Subsequent redemption $ 1,544,578