v3.26.1
Borrowings - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Mar. 23, 2026
Feb. 19, 2026
Feb. 06, 2026
Mar. 21, 2025
Mar. 05, 2025
Sep. 19, 2024
Jul. 08, 2021
Aug. 09, 2019
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
May 11, 2026
Apr. 22, 2026
Dec. 31, 2025
May 03, 2023
Debt Instrument [Line Items]                                
Repayment of securitized debt                     $ 0 $ 2,845,117        
Management fees                 $ 6,024,569 $ 5,830,989 12,158,496 $ 11,465,958        
Line of credit facility unamortized debt issuance costs                 4,279,183   4,279,183       $ 4,569,276  
Credit facility notes payable and secured borrowings                 1,252,232,998   1,252,232,998       1,215,640,285  
CLO VI Refinancing [Member]                                
Debt Instrument [Line Items]                                
Refinancing debt maturity date         Jan. 27, 2037                      
Management fees         $ 0                      
Class A-1-RR Senior Secured Floating Rate Note [Member] | CLO VI Refinancing [Member]                                
Debt Instrument [Line Items]                                
Refinancing debt         103,000,000                      
Class A-1-LR Senior Secured Floating Rate Loan [Member] | CLO VI Refinancing [Member]                                
Debt Instrument [Line Items]                                
Refinancing debt         100,000,000                      
Class A-2-RR Senior Secured Floating Rate Notes [Member] | CLO VI Refinancing [Member]                                
Debt Instrument [Line Items]                                
Refinancing debt         14,000,000                      
Class B-RR Senior Secured Floating Rate Notes [Member] | CLO VI Refinancing [Member]                                
Debt Instrument [Line Items]                                
Refinancing debt         21,000,000                      
C-RR Secured Deferrable Floating Rate Note [Member] | CLO VI Refinancing [Member]                                
Debt Instrument [Line Items]                                
Refinancing debt         28,000,000                      
Subordinated Notes [Member] | CLO VI Refinancing [Member]                                
Debt Instrument [Line Items]                                
Refinancing debt         18,980,000                      
Refinancing debt outstanding         $ 61,320,000                      
Three Months Secured Overnight Financing Rate (SOFR) [Member] | Class A-1-RR Senior Secured Floating Rate Note [Member] | CLO VI Refinancing [Member]                                
Debt Instrument [Line Items]                                
Refinancing Debt Interest Rate         1.40%                      
Three Months Secured Overnight Financing Rate (SOFR) [Member] | Class A-1-LR Senior Secured Floating Rate Loan [Member] | CLO VI Refinancing [Member]                                
Debt Instrument [Line Items]                                
Refinancing Debt Interest Rate         1.40%                      
Three Months Secured Overnight Financing Rate (SOFR) [Member] | Class A-2-RR Senior Secured Floating Rate Notes [Member] | CLO VI Refinancing [Member]                                
Debt Instrument [Line Items]                                
Refinancing Debt Interest Rate         1.60%                      
Secured Overnight Financing Rate (SOFR) [Member] | Class B-RR Senior Secured Floating Rate Notes [Member] | CLO VI Refinancing [Member]                                
Debt Instrument [Line Items]                                
Refinancing Debt Interest Rate         1.70%                      
Secured Overnight Financing Rate (SOFR) [Member] | C-RR Secured Deferrable Floating Rate Note [Member] | CLO VI Refinancing [Member]                                
Debt Instrument [Line Items]                                
Refinancing Debt Interest Rate         2.00%                      
HSBC [Member]                                
Debt Instrument [Line Items]                                
Line of credit maximum borrowing capacity                 450,000,000   $ 450,000,000          
Line of credit facility expiration date                     Dec. 07, 2026          
HSBC [Member] | Fund Sublimit [Member]                                
Debt Instrument [Line Items]                                
Line of credit maximum borrowing capacity                 42,000,000   $ 42,000,000          
NatWest Facility [Member] | Revolving Credit Facility [Member]                                
Debt Instrument [Line Items]                                
Commitment fee percentage         2.10%                      
Line of credit maximum borrowing capacity       $ 75,000,000                        
Line of credit facility expiration date       Mar. 21, 2032                        
NatWest Facility [Member] | Revoving Commitment [Member]                                
Debt Instrument [Line Items]                                
Line of credit facility expiration date       Mar. 21, 2028                        
Scotia Credit Facility [Member] | Revolving Credit Facility [Member] | Senior Secured Credit Agreement [Member]                                
Debt Instrument [Line Items]                                
Line of credit maximum borrowing capacity   $ 100,000,000                            
Scotia Credit Facility [Member] | Domestic Line of Credit [Member] | Senior Secured Credit Agreement [Member]                                
Debt Instrument [Line Items]                                
Line of credit facility expiration date   Nov. 06, 2026                            
Scotia Credit Facility [Member] | Domestic Line of Credit [Member] | Senior Secured Credit Agreement [Member] | Maximum [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]                                
Debt Instrument [Line Items]                                
Commitment fee percentage   2.05%                            
Scotia Credit Facility [Member] | Domestic Line of Credit [Member] | Senior Secured Credit Agreement [Member] | Maximum [Member] | Base Rate [Member]                                
Debt Instrument [Line Items]                                
Commitment fee percentage   1.05%                            
Scotia Credit Facility [Member] | Domestic Line of Credit [Member] | Senior Secured Credit Agreement [Member] | Minimum [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]                                
Debt Instrument [Line Items]                                
Commitment fee percentage   1.95%                            
Scotia Credit Facility [Member] | Domestic Line of Credit [Member] | Senior Secured Credit Agreement [Member] | Minimum [Member] | Base Rate [Member]                                
Debt Instrument [Line Items]                                
Commitment fee percentage   0.95%                            
CLO V1 And Direct Lending Fund CLO Six LLC [Member]                                
Debt Instrument [Line Items]                                
Term debt securitization value               $ 300,500,000                
Repayment of securitized debt               246,900,000                
Additional Subordinated Notes               $ 7,720,000                
CLO XIII And Direct Lending Fund CLO XIII LLC [Member]                                
Debt Instrument [Line Items]                                
Term debt securitization value                               $ 395,000,000
Credit Agreement [Member] | HSBC [Member] | Fund Sublimit [Member]                                
Debt Instrument [Line Items]                                
Line of credit maximum borrowing capacity $ 35,000,000                           $ 42,000,000  
Credit Agreement [Member] | HSBC [Member] | Joinder And Third Amendment To The Revolving Credit Agreement [Member] | Applicable Rate [Member]                                
Debt Instrument [Line Items]                                
Commitment fee percentage             2.10%                  
Credit Agreement [Member] | HSBC [Member] | Amendement To The Credit Agreement Four [Member]                                
Debt Instrument [Line Items]                                
Alternative currency sublimit percentage of the available commitment 50.00%                              
Line of credit maximum borrowing capacity $ 450,000,000                              
Line of credit maximum borrowing capacity reallocated $ 115,000,000                              
Line of credit facility expiration date Dec. 07, 2026                              
Credit Agreement [Member] | HSBC [Member] | Amendement To The Credit Agreement Four [Member] | Maximum [Member] | Fund Sublimit [Member]                                
Debt Instrument [Line Items]                                
Line of credit maximum borrowing capacity $ 35,000,000                         $ 42,000,000    
Credit Agreement [Member] | HSBC [Member] | Commitment Condition One [Member] | Joinder And Third Amendment To The Revolving Credit Agreement [Member]                                
Debt Instrument [Line Items]                                
Line of credit facility unused capacity percentage             66.00%                  
Line of credit facility unused commitement fee percentage             0.35%                  
Credit Agreement [Member] | HSBC [Member] | Commitment Condition Two [Member] | Joinder And Third Amendment To The Revolving Credit Agreement [Member]                                
Debt Instrument [Line Items]                                
Line of credit facility unused commitement fee percentage             0.50%                  
Credit Agreement [Member] | HSBC [Member] | Commitment Condition Two [Member] | Joinder And Third Amendment To The Revolving Credit Agreement [Member] | Maximum [Member]                                
Debt Instrument [Line Items]                                
Line of credit facility unused capacity percentage             66.00%                  
Credit Agreement [Member] | HSBC [Member] | Commitment Condition Two [Member] | Joinder And Third Amendment To The Revolving Credit Agreement [Member] | Minimum [Member]                                
Debt Instrument [Line Items]                                
Line of credit facility unused capacity percentage             33.00%                  
Credit Agreement [Member] | HSBC [Member] | Commitment Condition Three [Member] | Joinder And Third Amendment To The Revolving Credit Agreement [Member]                                
Debt Instrument [Line Items]                                
Line of credit facility unused capacity percentage             33.00%                  
Line of credit facility unused commitement fee percentage             1.00%                  
Synovus Credit Facility [Member] | Revoving Commitment [Member]                                
Debt Instrument [Line Items]                                
Line of credit facility expiration date                     Feb. 06, 2029          
Synovus Credit Facility [Member] | Fourth Synovus Credit Facility Amendment [Member]                                
Debt Instrument [Line Items]                                
Commitment fee percentage                     2.10%          
Line of credit maximum borrowing capacity                 150,000,000   $ 150,000,000          
Line of credit facility expiration date                     Feb. 06, 2031          
Synovus Credit Facility [Member] | Fourth Synovus Credit Facility Amendment [Member] | Loan Financing and Sale Agreement [Member]                                
Debt Instrument [Line Items]                                
Commitment fee percentage     2.10%                          
Line of credit maximum borrowing capacity     $ 150,000,000                          
Line of credit facility expiration date     Feb. 06, 2031                          
Natixis Credit Facility [Member] | Revolving Credit Facility [Member]                                
Debt Instrument [Line Items]                                
Line of credit facility expiration date                     Dec. 18, 2036          
Commitment amount                     $ 325,000,000          
Natixis Credit Facility [Member] | Revolving Credit Facility [Member] | Class AR [Member]                                
Debt Instrument [Line Items]                                
Commitment amount                     65,000,000          
Natixis Credit Facility [Member] | Revolving Credit Facility [Member] | Class A-D1 [Member]                                
Debt Instrument [Line Items]                                
Commitment amount                     216,000,000          
Natixis Credit Facility [Member] | Revolving Credit Facility [Member] | Class A-D2 [Member]                                
Debt Instrument [Line Items]                                
Commitment amount                     $ 44,000,000          
Natixis Credit Facility [Member] | Revolving Credit Facility [Member] | Applicable Rate [Member] | Class AR [Member]                                
Debt Instrument [Line Items]                                
Line of credit facility unused commitement fee percentage                     1.57%          
Natixis Credit Facility [Member] | Revolving Credit Facility [Member] | Applicable Rate [Member] | Class A-D1 [Member]                                
Debt Instrument [Line Items]                                
Line of credit facility unused commitement fee percentage                     1.51%          
Natixis Credit Facility [Member] | Revolving Credit Facility [Member] | Applicable Rate [Member] | Class A-D2 [Member]                                
Debt Instrument [Line Items]                                
Line of credit facility unused commitement fee percentage                     1.84%          
Natixis Credit Facility [Member] | Revoving Commitment [Member]                                
Debt Instrument [Line Items]                                
Line of credit facility expiration date                     Dec. 18, 2028          
MUFG Credit Facility [Member] | Revolving Credit Facility [Member]                                
Debt Instrument [Line Items]                                
Line of credit maximum borrowing capacity           $ 150,000,000     $ 200,000,000   $ 200,000,000          
Line of credit facility expiration date                     Sep. 19, 2029          
Commitment amount           $ 50,000,000                    
MUFG Credit Facility [Member] | Revolving Credit Facility [Member] | Applicable Rate [Member]                                
Debt Instrument [Line Items]                                
Refinancing Debt Interest Rate                     2.10%          
Rate on borrowings of purchases                     2.60%          
MUFG Credit Facility [Member] | Revolving Credit Facility [Member] | Maximum [Member]                                
Debt Instrument [Line Items]                                
Line of credit maximum borrowing capacity                         $ 200,000,000      
MUFG Credit Facility [Member] | Revolving Credit Facility [Member] | Minimum [Member]                                
Debt Instrument [Line Items]                                
Line of credit maximum borrowing capacity                         $ 150,000,000      
MUFG Credit Facility [Member] | Revoving Commitment [Member]                                
Debt Instrument [Line Items]                                
Line of credit facility expiration date                     Sep. 19, 2026