Members'Capital -Summary of units issued and proceeds related to capital drawdowns (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Class of Stock [Line Items]
Units Issued	160,166	3,397,922
Proceeds Received	$ 14,758	$ 324,679
May 30, 2023
Class of Stock [Line Items]
Units Issued	160,166
Proceeds Received	$ 14,758
June 21, 2022
Class of Stock [Line Items]
Units Issued		1,069,872
Proceeds Received		$ 103,307
August 23, 2022
Class of Stock [Line Items]
Units Issued		1,564,324
Proceeds Received		$ 147,581
December 16, 2022
Class of Stock [Line Items]
Units Issued		763,726
Proceeds Received		$ 73,791

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

Goldman Sachs Private Middle Market Credit II LLC 10-K