Goldman Sachs Middle Market Lending LLC II 10-K 2 Mar 23 2022 FY Annual report Financial data

Document and Entity Information

Document and Entity Information - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Mar. 02, 2023	Jun. 30, 2022
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2022
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Amendment Flag	false
Entity Central Index Key	0001865174
Securities Act File Number	000-56369
Entity Registrant Name	Goldman Sachs Middle Market Lending Corp. II
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	87-3643363
Entity Address, Address Line One	200 West Street
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10282
City Area Code	212
Local Phone Number	902-0300
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	true
Entity Ex Transition Period	true
Entity Shell Company	false
Entity Public Float			$ 0
Entity Common Stock, Shares Outstanding		9,467,668
Auditor Name	PricewaterhouseCoopers LLP
Auditor Location	Boston, Massachusetts
Auditor Firm ID	238

N-2

N-2	12 Months Ended
	Dec. 31, 2022
Cover [Abstract]
Entity Central Index Key	0001865174
Amendment Flag	false
Securities Act File Number	000-56369
Document Type	10-K
Entity Registrant Name	Goldman Sachs Middle Market Lending Corp. II
Entity Address, Address Line One	200 West Street
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10282
City Area Code	212
Local Phone Number	902-0300
Entity Well-known Seasoned Issuer	No
Entity Emerging Growth Company	true
Entity Ex Transition Period	true