v3.26.1
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2026
Aug. 11, 2026
Document Information [Line Items]    
Amendment Flag false  
Document Period End Date Jun. 30, 2026  
Document Type 10-Q  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Entity File Number 814-01880  
Entity Registrant Name Fortress Private Lending Fund  
Entity Central Index Key 0002012139  
Current Fiscal Year End Date --12-31  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 33-6515727  
Entity Address, Address Line One 1345 Avenue of the Americas  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10105  
City Area Code 212  
Local Phone Number 497-2976  
Title of 12(b) Security None  
Trading Symbol None  
Security Exchange Name NONE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Small Business false  
Entity Shell Company false  
Document Quarterly Report true  
Document Transition Report false  
Class I    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   45,373,201
Class D    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   0
Class S    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   0