v3.26.1
ORGANIZATION AND OPERATIONS OF THE FUND (Details) - USD ($)
6 Months Ended
Feb. 01, 2023
Jun. 30, 2026
Dec. 31, 2025
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]      
Investment company, regulated status [true false]   true  
Common stock, par value (in dollars per share)   $ 0.001 $ 0.001
WTI Fund XI, LLC      
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]      
Number of shares issued in sale (in shares) 100,000    
Common stock, par value (in dollars per share) $ 0.001    
Proceeds from purchase of shares $ 25,000    
WTI Fund XI, Inc. | WTI Fund XI, LLC      
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]      
Ownership percentage   100.00%