Quarterly report pursuant to Section 13 or 15(d)

Borrowings - SVP Financing Facilities (Details)

v3.23.1
Borrowings - SVP Financing Facilities (Details)
$ in Thousands
Jan. 11, 2030
Mar. 31, 2023
USD ($)
financingFacility
Jan. 12, 2023
USD ($)
Dec. 23, 2022
USD ($)
Sep. 16, 2022
USD ($)
Feb. 03, 2023
USD ($)
Dec. 31, 2022
USD ($)
financingFacility
Jul. 19, 2022
USD ($)
Debt Instrument [Line Items]                
Asset coverage ratio (as a percent)   223.18%         247.37%  
Number of special purpose vehicle financing facilities | financingFacility   4         2  
HLEND A Funding Facility | Line of Credit                
Debt Instrument [Line Items]                
Line of credit maximum borrowing capacity   $ 800,000   $ 800,000   $ 600,000 $ 800,000  
Maximum principal amount       $ 800,000        
Unused capacity commitment fee percentage       0.45%        
Basis spread on variable rate       2.40%        
HLEND A Funding Facility | Line of Credit | Closing Date to Six Month Anniversary                
Debt Instrument [Line Items]                
Minimum commitment percentage       25.00%        
HLEND A Funding Facility | Line of Credit | Six Month Anniversary to Nine Month Anniversary                
Debt Instrument [Line Items]                
Minimum commitment percentage       50.00%        
HLEND A Funding Facility | Line of Credit | Nine Month Anniversary and Thereafter                
Debt Instrument [Line Items]                
Minimum commitment percentage       75.00%        
HLEND B Funding Facility | Line of Credit                
Debt Instrument [Line Items]                
Line of credit maximum borrowing capacity   1,000,000     $ 1,000,000   $ 1,000,000 $ 500,000
Basis spread floor         2.30%      
HLEND B Funding Facility | Line of Credit | Non-Broadly Syndicated Loans Assets                
Debt Instrument [Line Items]                
Basis spread on variable rate         2.45%      
HLEND B Funding Facility | Line of Credit | Broadly Syndicated Loans Assets                
Debt Instrument [Line Items]                
Basis spread on variable rate         1.90%      
HLEND C Funding Facility | Line of Credit                
Debt Instrument [Line Items]                
Line of credit maximum borrowing capacity   400,000 $ 400,000          
HLEND C Funding Facility | Line of Credit | Secured Overnight Financing Rate (SOFR)                
Debt Instrument [Line Items]                
Basis spread on variable rate     2.95%          
HLEND C Funding Facility | Line of Credit | Forecast | Secured Overnight Financing Rate (SOFR)                
Debt Instrument [Line Items]                
Basis spread increase (decrease) 2.00%              
HLEND D Funding Facility | Line of Credit                
Debt Instrument [Line Items]                
Line of credit maximum borrowing capacity   $ 250,000            
Basis spread on variable rate   2.90%            
Foreign currency advance margin   0.15%