Revision of Previously Issued Financial Statements - Summary of Statements of Cash Flows (Detail) - USD ($)	9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Statement of Cash Flows - Cash and cash equivalents (including restricted cash) consists of:
CASH—End of period	$ 0	$ 0	$ 0
CASH—Beginning of period	0	0	0
Man-AHL Diversified Trading Company L.P. [Member]
Statement of Cash Flows - Changes in operating assets and liabilities:
Due from brokers	623,316	2,529,508
Statement of Cash Flows - Cash and cash equivalents (including restricted cash) consists of:
Cash and cash equivalents - unrestricted	14,453,416	25,050,603	1,644,483
Cash and cash equivalents - restricted	38,685,032	9,755,338	32,548,335
CASH—End of period	53,138,448	34,805,941	34,192,818
CASH—Beginning of period	34,192,818	25,743,967	25,743,967
Man-AHL Diversified Trading Company L.P. [Member] \| Prior to Revision [Member]
Statement of Cash Flows - Changes in operating assets and liabilities:
Due from brokers		13,890,441	(12,920,373)
Statement of Cash Flows - Cash and cash equivalents (including restricted cash) consists of:
Cash and cash equivalents - unrestricted		25,050,603	1,644,483
Cash and cash equivalents - restricted		0	0
CASH—End of period		25,050,603	1,644,483
CASH—Beginning of period	1,644,483	6,116,005	6,116,005
Man-AHL Diversified Trading Company L.P. [Member] \| Post Revision [Member]
Statement of Cash Flows - Changes in operating assets and liabilities:
Due from brokers		4,017,817	0
Statement of Cash Flows - Cash and cash equivalents (including restricted cash) consists of:
Cash and cash equivalents - unrestricted		25,050,603	1,644,483
Cash and cash equivalents - restricted		9,755,338	32,548,335
CASH—End of period		34,805,941	34,192,818
CASH—Beginning of period	34,192,818	25,743,967	25,743,967
Man-AHL Diversified Trading Company L.P. [Member] \| Impact [Member]
Statement of Cash Flows - Changes in operating assets and liabilities:
Due from brokers		(9,872,624)	12,920,373
Statement of Cash Flows - Cash and cash equivalents (including restricted cash) consists of:
Cash and cash equivalents - unrestricted		0	0
Cash and cash equivalents - restricted		9,755,338	32,548,335
CASH—End of period		9,755,338	32,548,335
CASH—Beginning of period	$ 32,548,335	$ 19,627,962	$ 19,627,962

MAN AHL DIVERSIFIED I LP 10-Q