XML 49 R35.htm IDEA: XBRL DOCUMENT v3.24.3
Investments - Additional Information (Details)
$ in Thousands
 1 Months Ended 12 Months Ended
Jan. 31, 2024
Aug. 31, 2023
USD ($)
Apr. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
Portfolio
Sep. 30, 2023
USD ($)
Portfolio
Sep. 30, 2022
USD ($)
Jul. 31, 2024
USD ($)
May 31, 2024
USD ($)
Jul. 31, 2023
USD ($)
Jan. 31, 2021
USD ($)
Schedule Of Investments [Line Items]                    
Purchases of investments, including PIK interest       $ 1,411,200 $ 325,800 $ 609,200        
Sales and repayments of investments       514,100 399,100 $ 495,200        
Total assets       $ 2,108,845 1,179,611          
Number of members appointed       four            
Quorum description       Quorum is defined as (i) the presence of two members of the board of directors or investment committee, provided that at least one individual is present that was elected, designated or appointed by each member; (ii) the presence of three members of the board of directors or investment committee, provided that the individual that was elected, designated or appointed by the member with only one individual present shall be entitled to cast two votes on each matter; and (iii) the presence of four members of the board of directors or investment committee shall constitute a quorum, provided that two individuals are present that were elected, designated or appointed by each member.            
Credit Facility payable, at fair value (cost-$443,885 and $9,400, respectively)       $ 443,880 9,400          
Credit facility interest rate description On January 2024, the maturity was extended to 2029 and the interest change to SOFR plus 280 basis points. SOFR plus 260 basis points                
Debt securitization     $ 297,800         $ 300,700   $ 300,700
Asset backed debt, transfer of assets, description       On the closing date of the transaction, in consideration of PSSL’s transfer to PennantPark CLO II, Ltd. of the initial closing date loan portfolio, which included loans distributed to PSSL by certain of its wholly owned subsidiaries and us, PennantPark CLO II, Ltd. transferred to PSSL 100% of the Preferred Shares of PennantPark CLO II, Ltd. and 100% of the Class E Notes issued by PennantPark CLO II, Ltd.            
2031 Asset-Backed Debt                    
Schedule Of Investments [Line Items]                    
Debt securitization             $ 351,000      
SOFR                    
Schedule Of Investments [Line Items]                    
Credit Facility payable, at fair value (cost-$443,885 and $9,400, respectively)       $ 636,000            
Senior Secured Revolving Credit Facility                    
Schedule Of Investments [Line Items]                    
Credit Facility payable, at fair value (cost-$443,885 and $9,400, respectively)   $ 260,000             $ 325,000  
PennantPark Senior Secured Loan Fund I LLC                    
Schedule Of Investments [Line Items]                    
Total assets       $ 988,122 $ 869,410          
Number of Portfolio Companies Consisted of Debt Investments | Portfolio       109 105          
Percentage of capital ownership in each of outstanding subordinated notes and equity interests       87.50% 12.50%          
Credit Facility payable, at fair value (cost-$443,885 and $9,400, respectively)       $ 146,100 $ 48,600          
Asset backed debt, transfer of assets, description     On the closing date of the transaction, in consideration of PSSL’s transfer to PennantPark CLO VI, LLC of the initial closing date loan portfolio, which included loans distributed to PSSL by certain of its wholly owned subsidiaries and us, PennantPark CLO VI, LLC transferred to PSSL 100% of the Preferred Shares of CLO VI, LLC              
PennantPark Senior Secured Loan Fund I LLC | Investment In Single Portfolio Company                    
Schedule Of Investments [Line Items]                    
Fair value of largest investment in a single portfolio company       21,300 18,500          
PennantPark Senior Secured Loan Fund I LLC | Five Largest Investments                    
Schedule Of Investments [Line Items]                    
Fair value of investment in five largest portfolio company       97,300 83,400          
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt                    
Schedule Of Investments [Line Items]                    
Total investments       237,700 210,100          
Additional unfunded investment       0 27,600          
PennantPark Senior Secured Loan Fund I LLC | Equity Interests                    
Schedule Of Investments [Line Items]                    
Total investments       101,900 90,000          
Additional unfunded investment in equity       $ 0 $ 11,800