Annual report pursuant to Section 13 and 15(d)

Borrowings - SVP Financing Facilities (Details)

v3.24.1
Borrowings - SVP Financing Facilities (Details)
$ in Thousands
Jan. 11, 2030
Mar. 31, 2023
USD ($)
Jan. 12, 2023
USD ($)
Dec. 23, 2022
USD ($)
Sep. 16, 2022
USD ($)
Dec. 31, 2023
USD ($)
financingFacility
Aug. 01, 2023
USD ($)
Jun. 22, 2023
USD ($)
Dec. 31, 2022
USD ($)
financingFacility
Jul. 19, 2022
USD ($)
Feb. 03, 2022
USD ($)
Debt Instrument [Line Items]                      
Asset coverage ratio (as a percent)           223.20%     247.40%    
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     $ 800,000   $ 600,000
Basis spread on variable rate       2.40%              
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 | Broadly Syndicated Loans Assets                      
Debt Instrument [Line Items]                      
Basis spread on variable rate         1.90%            
HLEND B Funding Facility | Line of credit | Non-Broadly Syndicated Loans Assets                      
Debt Instrument [Line Items]                      
Basis spread on variable rate         2.45%            
HLEND C Funding Facility | Line of credit                      
Debt Instrument [Line Items]                      
Line of credit maximum borrowing capacity     $ 400,000     750,000   $ 750,000      
HLEND C Funding Facility | Line of credit | SOFR                      
Debt Instrument [Line Items]                      
Basis spread on variable rate     2.95%                
HLEND C Funding Facility | Line of credit | Forecast | 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       500,000 $ 500,000        
Basis spread on variable rate   2.90%                  
Foreign currency advance margin   0.15%                  
Maximum principal amount           $ 500,000