v3.26.1
Net Assets - Schedule of Share Repurchase Program (Details) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Share Repurchase Program [Line Items]    
Total Number of Shares Repurchased (all classes) (in shares) 13,423,194 1,614,295
Amount Repurchased (all classes) $ 327,483 $ 40,351
Maximum number of shares that may yet be purchased under the Repurchase Program (in shares) 6,257,779 0
Share Repurchase Program Deadline, Nov 03, 2025    
Share Repurchase Program [Line Items]    
Total Number of Shares Repurchased (all classes) (in shares) 2,011,072  
Percentage of Outstanding Shares Repurchased 1.67%  
Price Paid Per Share (in dollars per share) $ 25.16  
Amount Repurchased (all classes) $ 50,495  
Maximum number of shares that may yet be purchased under the Repurchase Program (in shares) 0  
Share Repurchase Program Deadline, Feb 02, 2026    
Share Repurchase Program [Line Items]    
Total Number of Shares Repurchased (all classes) (in shares) 2,520,922  
Percentage of Outstanding Shares Repurchased 1.56%  
Price Paid Per Share (in dollars per share) $ 25.15  
Amount Repurchased (all classes) $ 63,351  
Maximum number of shares that may yet be purchased under the Repurchase Program (in shares) 0  
Share Repurchase Program Deadline, May 01, 2026    
Share Repurchase Program [Line Items]    
Total Number of Shares Repurchased (all classes) (in shares) 8,891,200  
Percentage of Outstanding Shares Repurchased 5.00%  
Price Paid Per Share (in dollars per share) $ 24.14  
Amount Repurchased (all classes) $ 213,637  
Maximum number of shares that may yet be purchased under the Repurchase Program (in shares) 6,257,779  
Share Repurchase Program Deadline, Nov 01, 2024    
Share Repurchase Program [Line Items]    
Total Number of Shares Repurchased (all classes) (in shares)   591,629
Percentage of Outstanding Shares Repurchased   1.07%
Price Paid Per Share (in dollars per share)   $ 25.10
Amount Repurchased (all classes)   $ 14,847
Maximum number of shares that may yet be purchased under the Repurchase Program (in shares)   0
Share Repurchase Program Deadline, Feb 03, 2025    
Share Repurchase Program [Line Items]    
Total Number of Shares Repurchased (all classes) (in shares)   176,927
Percentage of Outstanding Shares Repurchased   0.26%
Price Paid Per Share (in dollars per share)   $ 25.14
Amount Repurchased (all classes)   $ 4,438
Maximum number of shares that may yet be purchased under the Repurchase Program (in shares)   0
Share Repurchase Program Deadline, May 01, 2025    
Share Repurchase Program [Line Items]    
Total Number of Shares Repurchased (all classes) (in shares)   845,739
Percentage of Outstanding Shares Repurchased   1.04%
Price Paid Per Share (in dollars per share)   $ 25.03
Amount Repurchased (all classes)   $ 21,066
Maximum number of shares that may yet be purchased under the Repurchase Program (in shares)   0