Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Narrative (Details)

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Subsequent Events - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended
May 31, 2024
May 01, 2024
Apr. 30, 2024
Apr. 25, 2024
Apr. 18, 2024
Apr. 11, 2024
Apr. 01, 2024
Mar. 29, 2024
Feb. 29, 2024
Apr. 28, 2023
Mar. 31, 2023
Feb. 28, 2023
Apr. 30, 2024
Apr. 28, 2023
Mar. 31, 2024
Mar. 31, 2023
Subsequent Event [Line Items]                                
Proceeds from issuance of common shares                             $ 983,041 $ 152,702
Common Class I                                
Subsequent Event [Line Items]                                
Distribution per share (in dollars per share)               $ 0.2150 $ 0.2150 $ 0.2030 $ 0.1900 $ 0.1810   $ 0.5740 $ 0.6450 $ 0.5740
Common Class D                                
Subsequent Event [Line Items]                                
Distribution per share (in dollars per share)               0.2100 0.2097 0.1978 0.1853 0.1759   0.5590 0.6294 0.5590
Common Class F                                
Subsequent Event [Line Items]                                
Distribution per share (in dollars per share)               0.2050 0.2044 $ 0.1926 $ 0.1807 $ 0.1709   $ 0.5442 0.6137 $ 0.5442
Common Class S                                
Subsequent Event [Line Items]                                
Distribution per share (in dollars per share)               $ 0.1981 $ 0.1970           $ 0.5919  
Subsequent event                                
Subsequent Event [Line Items]                                
Proceeds from issuance of common shares   $ 255,600         $ 243,500                  
Distribution per share (in dollars per share) $ 0.0550                              
Written notice period           60 days                    
Subsequent event | HLEND CLO                                
Subsequent Event [Line Items]                                
Subsidiary ownership percentage         100.00%                      
Subsequent event | CLO Transaction                                
Subsequent Event [Line Items]                                
Debt securitization         $ 526,000                      
Subsequent event | Common Class I                                
Subsequent Event [Line Items]                                
Distribution per share (in dollars per share)     $ 0.2150 $ 0.1600                 $ 0.6450      
Subsequent event | Common Class D                                
Subsequent Event [Line Items]                                
Distribution per share (in dollars per share)     0.2097 0.1548                 0.6294      
Subsequent event | Common Class F                                
Subsequent Event [Line Items]                                
Distribution per share (in dollars per share)     0.2043 0.1496                 0.6137      
Subsequent event | Common Class S                                
Subsequent Event [Line Items]                                
Distribution per share (in dollars per share)     $ 0.1968 $ 0.1423                 $ 0.5919