v3.26.1
Stockholders’ Equity - Schedule of Shares of GDLCU Common Stock Issued (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Feb. 14, 2025
Dec. 17, 2024
Nov. 05, 2024
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Sep. 30, 2025
Sep. 30, 2024
Equity [Abstract]                
Shares issued for capital drawdowns (in shares) 1,420,519.666 1,135,022.533 1,135,022.533   0 3,690,564.732    
NAV per share (in dollars per share) $ 15.00 $ 15.00 $ 15.00 $ 15.00 $ 14.95 $ 15.00 $ 15.00 $ 15.00
Proceeds $ 21,308 $ 17,025 $ 17,026 $ 21,308   $ 55,359