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Investments - Summary of Listing of PSSL's Individual Investments (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Schedule Of Investments [Line Items]    
Maturity [1],[2],[3] May 06, 2026  
Industry [2],[3],[4],[5] Media  
Cost $ 1,177,357 [2],[3] $ 1,070,636
Fair Value 1,164,254 [2],[3],[6] 1,081,619
Liabilities in Excess of Other Assets 685,042 [2],[3],[6] 640,833 [7],[8],[9]
Cash and Cash Equivalents    
Schedule Of Investments [Line Items]    
Cost 47,916 [2],[3] 49,825 [7],[8]
Fair Value 47,880 [2],[3],[6] 49,825 [7],[8],[9]
Investments and Cash Equivalents    
Schedule Of Investments [Line Items]    
Cost 1,225,273 [2],[3] 1,120,461 [7],[8]
Fair Value 1,212,134 [2],[3],[6] 1,131,444 [7],[8],[9]
BlackRock Federal FD Institutional 30 | Cash and Cash Equivalents    
Schedule Of Investments [Line Items]    
Cost 38,209 [2],[3] 7,433 [7],[8]
Fair Value 38,209 [2],[3],[6] 7,433 [7],[8],[9]
PennantPark Senior Secured Loan Fund I LLC    
Schedule Of Investments [Line Items]    
Cost 770,280 576,263
Fair Value 754,722 564,783
Liabilities in Excess of Other Assets (731,931) 541,893
Members' Equity 56,496 51,264
PennantPark Senior Secured Loan Fund I LLC | Equity Securities    
Schedule Of Investments [Line Items]    
Cost   12,002
Fair Value 139 1,677
PennantPark Senior Secured Loan Fund I LLC | Cash and Cash Equivalents    
Schedule Of Investments [Line Items]    
Cost 33,725 28,387
Fair Value 33,705 28,374
PennantPark Senior Secured Loan Fund I LLC | Investments and Cash Equivalents    
Schedule Of Investments [Line Items]    
Cost 804,005 604,650
Fair Value $ 788,427 $ 593,157
PennantPark Senior Secured Loan Fund I LLC | DBI Intermediate HoldCo LLC | Business Services | Series A One Equity Securities | Equity Securities    
Schedule Of Investments [Line Items]    
Industry   Business Services
Current Coupon   13.00%
Par / Shares   7
Cost   $ 5,034
PennantPark Senior Secured Loan Fund I LLC | DBI Intermediate HoldCo LLC | Business Services | Series A A Equity Securities | Equity Securities    
Schedule Of Investments [Line Items]    
Industry   Business Services
Par / Shares   7
Cost   $ 6,731
Fair Value   $ 1,315
PennantPark Senior Secured Loan Fund I LLC | DBI Intermediate HoldCo LLC | Business Services | Series B Equity Securities | Equity Securities    
Schedule Of Investments [Line Items]    
Industry   Business Services
Par / Shares   1,065
Cost   $ 237
PennantPark Senior Secured Loan Fund I LLC | New MPE Holdings, LLC | Media: Diversified and Production | Equity Securities    
Schedule Of Investments [Line Items]    
Industry Media: Diversified and Production Media: Diversified and Production
Par / Shares   0
Fair Value $ 139 $ 362
PennantPark Senior Secured Loan Fund I LLC | BlackRock Federal FD Institutional 30 | Cash and Cash Equivalents    
Schedule Of Investments [Line Items]    
Cost 33,725 28,191
Fair Value $ 33,705 28,191
PennantPark Senior Secured Loan Fund I LLC | U S Bank Cash | Cash and Cash Equivalents    
Schedule Of Investments [Line Items]    
Cost   196
Fair Value   183
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.%    
Schedule Of Investments [Line Items]    
Cost   558,880
Fair Value   $ 557,732
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Ad.net Acquisition, LLC | Media    
Schedule Of Investments [Line Items]    
Maturity   May 06, 2026
Industry   Media
Current Coupon   7.00%
Basis Point Spread Above Index   3M L+600
Basis Point Spread Above Index, Amount   $ 600
Par / Shares   8,978,000
Cost   $ 8,852
Fair Value   $ 8,843
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Altamira Technologies, LLC | Business Services    
Schedule Of Investments [Line Items]    
Maturity   Jul. 24, 2025
Industry   Business Services
Current Coupon   8.00%
Basis Point Spread Above Index   3M L+700
Basis Point Spread Above Index, Amount   $ 700
Par / Shares   5,525,000
Cost   $ 5,376
Fair Value   $ 5,180
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | American Insulated Glass, LLC | Building Products    
Schedule Of Investments [Line Items]    
Maturity   Dec. 21, 2023
Industry   Building Products
Current Coupon   6.50%
Basis Point Spread Above Index   3M L+550
Basis Point Spread Above Index, Amount   $ 550
Par / Shares   5,721,000
Cost   $ 5,653
Fair Value   $ 5,663
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Apex Service Partners, LLC | Diversified Consumer Services    
Schedule Of Investments [Line Items]    
Maturity   Jul. 31, 2025
Industry   Diversified Consumer Services
Current Coupon   6.25%
Basis Point Spread Above Index   3M L+525
Basis Point Spread Above Index, Amount   $ 525
Par / Shares   1,021,000
Cost   $ 1,021
Fair Value   $ 1,010
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Apex Service Partners, LLC | Term Loan B | Diversified Consumer Services    
Schedule Of Investments [Line Items]    
Maturity   Jul. 31, 2025
Industry   Diversified Consumer Services
Current Coupon   6.50%
Basis Point Spread Above Index   1M L+550
Basis Point Spread Above Index, Amount   $ 550
Par / Shares   2,222,000
Cost   $ 2,222
Fair Value   $ 2,200
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Apex Service Partners, LLC | Term Loan C | Diversified Consumer Services    
Schedule Of Investments [Line Items]    
Maturity   Jul. 31, 2025
Industry   Diversified Consumer Services
Current Coupon   6.25%
Basis Point Spread Above Index   3M L+525
Basis Point Spread Above Index, Amount   $ 525
Par / Shares   4,174,000
Cost   $ 4,103
Fair Value   $ 4,132
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Applied Technical Services, LLC | Commercial Services & Supplies    
Schedule Of Investments [Line Items]    
Maturity   Dec. 29, 2026
Industry   Commercial Services & Supplies
Current Coupon   6.75%
Basis Point Spread Above Index   3M L+575
Basis Point Spread Above Index, Amount   $ 575
Par / Shares   4,511,000
Cost   $ 4,419
Fair Value   $ 4,421
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | By Light Professional IT Services, LLC | High Tech Industries    
Schedule Of Investments [Line Items]    
Maturity   May 16, 2022
Industry   High Tech Industries
Current Coupon   7.25%
Basis Point Spread Above Index   1M L+625
Basis Point Spread Above Index, Amount   $ 625
Par / Shares   12,880,000
Cost   $ 12,869
Fair Value   $ 12,880
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Cadence Aerospace, LLC | Aerospace and Defense    
Schedule Of Investments [Line Items]    
Maturity   Nov. 14, 2023
Industry   Aerospace and Defense
Current Coupon   9.50%
Basis Point Spread Above Index   3M L+850
Basis Point Spread Above Index, Amount   $ 850
Par / Shares   12,282,000
Cost   $ 12,231
Fair Value   $ 11,981
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Cadence Aerospace, LLC | Aerospace and Defense | PIK    
Schedule Of Investments [Line Items]    
Current Coupon   9.50%
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Cano Health | Healthcare, Education & Childcare    
Schedule Of Investments [Line Items]    
Maturity   Nov. 23, 2027
Industry   Healthcare, Education & Childcare
Current Coupon   5.25%
Basis Point Spread Above Index   3M L+450
Basis Point Spread Above Index, Amount   $ 450
Par / Shares   2,653,000
Cost   $ 2,647
Fair Value   $ 2,654
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | CHA Holdings, Inc. | Construction & Engineering    
Schedule Of Investments [Line Items]    
Maturity   Apr. 10, 2025
Industry   Construction and Engineering
Current Coupon   5.50%
Basis Point Spread Above Index   3M L+450
Basis Point Spread Above Index, Amount   $ 450
Par / Shares   5,615,000
Cost   $ 5,519
Fair Value   $ 5,530
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Challenger Performance Optimization, Inc. | Business Services    
Schedule Of Investments [Line Items]    
Maturity   Aug. 31, 2023
Industry   Business Services
Current Coupon   8.00%
Basis Point Spread Above Index   1M L+675
Basis Point Spread Above Index, Amount   $ 675
Par / Shares   9,501,000
Cost   $ 9,454
Fair Value   $ 9,216
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Challenger Performance Optimization, Inc. | Business Services | PIK    
Schedule Of Investments [Line Items]    
Current Coupon   1.00%
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Connatix Buyer, Inc. | Media    
Schedule Of Investments [Line Items]    
Maturity   Jul. 13, 2027
Industry   Media
Current Coupon   6.25%
Basis Point Spread Above Index   1M L+550
Basis Point Spread Above Index, Amount   $ 550
Par / Shares   4,000,000
Cost   $ 3,922
Fair Value   $ 3,920
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | CoolSys, Inc. | Business Services    
Schedule Of Investments [Line Items]    
Maturity   Aug. 04, 2028
Industry   Business Services
Current Coupon   5.50%
Basis Point Spread Above Index   1M L+475
Basis Point Spread Above Index, Amount   $ 475
Par / Shares   1,909,000
Cost   $ 1,890
Fair Value   $ 1,914
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Crane 1 Services Inc | Commercial Services & Supplies    
Schedule Of Investments [Line Items]    
Maturity   Aug. 16, 2027
Industry   Commercial Services & Supplies
Current Coupon   6.75%
Basis Point Spread Above Index   1M L+575
Basis Point Spread Above Index, Amount   $ 575
Par / Shares   2,132,000
Cost   $ 2,100
Fair Value   $ 2,110
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Crash Champions, LLC | Automobiles    
Schedule Of Investments [Line Items]    
Maturity   Aug. 05, 2025
Industry   Automobiles
Current Coupon   6.00%
Basis Point Spread Above Index   3M L+500
Basis Point Spread Above Index, Amount   $ 500
Par / Shares   8,978,000
Cost   $ 8,802
Fair Value   $ 8,798
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Digital Room Holdings, Inc. | Commercial Services & Supplies    
Schedule Of Investments [Line Items]    
Maturity   May 22, 2026
Industry   Commercial Services & Supplies
Current Coupon   5.08%
Basis Point Spread Above Index   1M L+500
Basis Point Spread Above Index, Amount   $ 500
Par / Shares   3,228,000
Cost   $ 3,111
Fair Value   $ 3,186
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Douglas Products and Packaging Company LLC | Chemicals, Plastics and Rubber    
Schedule Of Investments [Line Items]    
Maturity   Oct. 19, 2022
Industry   Chemicals, Plastics and Rubber
Current Coupon   6.75%
Basis Point Spread Above Index   3M L+575
Basis Point Spread Above Index, Amount   $ 575
Par / Shares   8,746,000
Cost   $ 8,695
Fair Value   $ 8,746
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Douglas Sewer Intermediate, LLC | Chemicals, Plastics and Rubber    
Schedule Of Investments [Line Items]    
Maturity   Oct. 19, 2022
Industry   Chemicals, Plastics and Rubber
Current Coupon   6.75%
Basis Point Spread Above Index   3M L+575
Basis Point Spread Above Index, Amount   $ 575
Par / Shares   7,323,000
Cost   $ 7,278
Fair Value   $ 7,323
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Dr. Squatch, LLC | Personal Products    
Schedule Of Investments [Line Items]    
Maturity   Aug. 27, 2026
Industry   Personal Products
Current Coupon   7.00%
Basis Point Spread Above Index   3M L+600
Basis Point Spread Above Index, Amount   $ 600
Par / Shares   10,000,000
Cost   $ 9,803
Fair Value   $ 9,800
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | DRS Holdings III, Inc. | Consumer Goods: Durable    
Schedule Of Investments [Line Items]    
Maturity   Nov. 03, 2025
Industry   Consumer Goods: Durable
Current Coupon   7.25%
Basis Point Spread Above Index   1M L+625
Basis Point Spread Above Index, Amount   $ 625
Par / Shares   15,676,000
Cost   $ 15,584
Fair Value   $ 15,566
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | East Valley Tourist Development Authority [Member] | Hotels, Restaurants and Leisure    
Schedule Of Investments [Line Items]    
Maturity   Mar. 07, 2022
Industry   Hotels, Restaurants and Leisure
Current Coupon   9.00%
Basis Point Spread Above Index   3M L+800
Basis Point Spread Above Index, Amount   $ 800
Par / Shares   5,719,000
Cost   $ 5,624
Fair Value   $ 5,633
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | East Valley Tourist Development Authority [Member] | Hotels, Restaurants and Leisure | PIK    
Schedule Of Investments [Line Items]    
Current Coupon   3.50%
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | ECL Entertainment, LLC | Hotels, Restaurants and Leisure    
Schedule Of Investments [Line Items]    
Maturity   Mar. 31, 2028
Industry   Hotels, Restaurants and Leisure
Current Coupon   8.25%
Basis Point Spread Above Index   1M L+750
Basis Point Spread Above Index, Amount   $ 750
Par / Shares   2,647,000
Cost   $ 2,621
Fair Value   $ 2,707
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | ECM Industries, LLC | Electronic Equipment, Instruments, and Components    
Schedule Of Investments [Line Items]    
Maturity   Dec. 23, 2025
Industry   Electronic Equipment, Instruments, and Components
Current Coupon   5.50%
Basis Point Spread Above Index   1M L+450
Basis Point Spread Above Index, Amount   $ 450
Par / Shares   4,994,000
Cost   $ 4,994
Fair Value   $ 4,894
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Fairbanks More Defense | Aerospace and Defense    
Schedule Of Investments [Line Items]    
Maturity   Jun. 17, 2028
Industry   Aerospace and Defense
Current Coupon   5.50%
Basis Point Spread Above Index   3M L+475
Basis Point Spread Above Index, Amount   $ 475
Par / Shares   10,000,000
Cost   $ 9,955
Fair Value   $ 10,000
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | FlexPrint, LLC | Commercial Services & Supplies    
Schedule Of Investments [Line Items]    
Maturity   Jan. 02, 2024
Industry   Commercial Services & Supplies
Current Coupon   6.02%
Basis Point Spread Above Index   1M L+590
Basis Point Spread Above Index, Amount   $ 590
Par / Shares   4,770,000
Cost   $ 4,732
Fair Value   $ 4,746
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Gantech Acquisition Corp. | IT Services    
Schedule Of Investments [Line Items]    
Maturity   May 14, 2026
Industry   IT Services
Current Coupon   7.25%
Basis Point Spread Above Index   3M L+625
Basis Point Spread Above Index, Amount   $ 625
Par / Shares   14,925,000
Cost   $ 14,648
Fair Value   $ 14,627
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Global Holdings InterCo LLC | Diversified Financial Services    
Schedule Of Investments [Line Items]    
Maturity   Mar. 16, 2026
Industry   Diversified Financial Services
Current Coupon   7.00%
Basis Point Spread Above Index   3M L+600
Basis Point Spread Above Index, Amount   $ 600
Par / Shares   3,968,000
Cost   $ 3,948
Fair Value   $ 3,948
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Graffiti Buyer, Inc. | Trading Companies & Distributors    
Schedule Of Investments [Line Items]    
Maturity   Aug. 10, 2027
Industry   Trding Companies & Distributors
Current Coupon   6.75%
Basis Point Spread Above Index   3M L+575
Basis Point Spread Above Index, Amount   $ 575
Par / Shares   2,393,000
Cost   $ 2,346
Fair Value   $ 2,357
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Hancock Roofing and Construction L.L.C. | Insurance    
Schedule Of Investments [Line Items]    
Maturity   Dec. 31, 2026
Industry   Insurance
Current Coupon   6.00%
Basis Point Spread Above Index   3M L+500
Basis Point Spread Above Index, Amount   $ 500
Par / Shares   2,481,000
Cost   $ 2,425
Fair Value   $ 2,456
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Holdco Sands Intermediate, LLC | Aerospace and Defense    
Schedule Of Investments [Line Items]    
Maturity   Dec. 19, 2025
Industry   Aerospace and Defense
Current Coupon   7.50%
Basis Point Spread Above Index   3M L+600
Basis Point Spread Above Index, Amount   $ 600
Par / Shares   6,474,000
Cost   $ 6,407
Fair Value   $ 6,441
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | IMIA Holdings, Inc. | Aerospace and Defense    
Schedule Of Investments [Line Items]    
Maturity   Apr. 09, 2027
Industry   Aerospace and Defense
Current Coupon   6.75%
Basis Point Spread Above Index   3M L+575
Basis Point Spread Above Index, Amount   $ 575
Par / Shares   13,589,000
Cost   $ 13,338
Fair Value   $ 13,317
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Integrative Nutrition, LLC | Diversified Consumer Services    
Schedule Of Investments [Line Items]    
Maturity   Sep. 29, 2023
Industry   Diversified Consumer Services
Current Coupon   5.50%
Basis Point Spread Above Index   3M L+450
Basis Point Spread Above Index, Amount   $ 450
Par / Shares   11,567,000
Cost   $ 11,528
Fair Value   $ 11,567
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | K2 Pure Solutions NoCal, L.P. | Chemicals, Plastics and Rubber    
Schedule Of Investments [Line Items]    
Maturity   Dec. 20, 2023
Industry   Chemicals, Plastics and Rubber
Current Coupon   8.00%
Basis Point Spread Above Index   1M L+700
Basis Point Spread Above Index, Amount   $ 700
Par / Shares   19,450,000
Cost   $ 19,193
Fair Value   $ 18,933
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | LAV Gear Holdings, Inc. | Capital Equipment    
Schedule Of Investments [Line Items]    
Maturity   Oct. 31, 2024
Industry   Capital Equipment
Current Coupon   8.50%
Basis Point Spread Above Index   3M L+750
Basis Point Spread Above Index, Amount   $ 750
Par / Shares   10,491,000
Cost   $ 10,435
Fair Value   $ 9,833
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | LAV Gear Holdings, Inc. | Capital Equipment | PIK    
Schedule Of Investments [Line Items]    
Current Coupon   1.00%
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Lightspeed Buyer Inc. | Healthcare Providers and Services    
Schedule Of Investments [Line Items]    
Maturity   Feb. 03, 2026
Industry   Healthcare Providers and Services
Current Coupon   6.75%
Basis Point Spread Above Index   1M L+575
Basis Point Spread Above Index, Amount   $ 575
Par / Shares   5,707,000
Cost   $ 5,606
Fair Value   $ 5,707
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Lucky Bucks, LLC | Hotel, Gaming and Leisure    
Schedule Of Investments [Line Items]    
Maturity   Jul. 20, 2027
Industry   Hotel, Gaming and Leisure
Current Coupon   6.25%
Basis Point Spread Above Index   1M L+550
Basis Point Spread Above Index, Amount   $ 550
Par / Shares   4,500,000
Cost   $ 4,411
Fair Value   $ 4,424
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Marketplace Events, LLC | Media: Diversified and Production    
Schedule Of Investments [Line Items]    
Maturity   Sep. 30, 2026
Industry   Media: Diversified and Production
Current Coupon   0.00%
Par / Shares   4,615
Cost   $ 3,441
Fair Value   $ 4,615
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Marketplace Events, LLC | Super Priority First Lien Term Loan | Media: Diversified and Production    
Schedule Of Investments [Line Items]    
Maturity   Sep. 30, 2025
Industry   Media: Diversified and Production
Current Coupon   6.25%
Basis Point Spread Above Index   3M L+525
Basis Point Spread Above Index, Amount   $ 525
Par / Shares   617,000
Cost   $ 617
Fair Value   $ 617
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Marketplace Events, LLC | Super Priority First Lien Term Loan | Media: Diversified and Production | PIK    
Schedule Of Investments [Line Items]    
Current Coupon   6.25%
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Marketplace Events, LLC | Super Priority First Lien Unfunded Term Loan | Media: Diversified and Production    
Schedule Of Investments [Line Items]    
Par / Shares   589
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Mars Acquisition Holdings Corp. | Media    
Schedule Of Investments [Line Items]    
Maturity   May 14, 2026
Industry   Media
Current Coupon   6.50%
Basis Point Spread Above Index   1M L+550
Basis Point Spread Above Index, Amount   $ 550
Par / Shares   10,000
Cost   $ 9,813
Fair Value   $ 9,900
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | MBS Holdings, Inc. | Internet Software and Services    
Schedule Of Investments [Line Items]    
Maturity   Apr. 16, 2027
Industry   Internet Software and Services
Current Coupon   6.75%
Basis Point Spread Above Index   3M L+575
Basis Point Spread Above Index, Amount   $ 575
Par / Shares   7,481
Cost   $ 7,338
Fair Value   $ 7,332
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | MeritDirect, LLC | Media: Advertising, Printing and Publishing    
Schedule Of Investments [Line Items]    
Maturity   May 23, 2024
Industry   Media: Advertising, Printing & Publishing
Current Coupon   6.50%
Basis Point Spread Above Index   3M L+550
Basis Point Spread Above Index, Amount   $ 550
Par / Shares   5,532
Cost   $ 5,412
Fair Value   $ 5,477
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Mission Critical Electronics, Inc. | Capital Equipment    
Schedule Of Investments [Line Items]    
Maturity   Sep. 28, 2022
Industry   Capital Equipment
Current Coupon   6.00%
Basis Point Spread Above Index   3M L+500
Basis Point Spread Above Index, Amount   $ 500
Par / Shares   5,890
Cost   $ 5,877
Fair Value   $ 5,890
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | NBH Group LLC | Healthcare, Education & Culture    
Schedule Of Investments [Line Items]    
Maturity   Aug. 19, 2026
Industry   Healthcare, Education & Culture
Current Coupon   6.50%
Basis Point Spread Above Index   3M L+550
Basis Point Spread Above Index, Amount   $ 550
Par / Shares   10,902
Cost   $ 10,687
Fair Value   $ 10,684
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | New Milani Group LLC | Consumer Goods: Non-Durable    
Schedule Of Investments [Line Items]    
Maturity   Jun. 06, 2024
Industry   Consumer Goods: Non-Durable
Current Coupon   6.50%
Basis Point Spread Above Index   1M L+550
Basis Point Spread Above Index, Amount   $ 550
Par / Shares   14,550
Cost   $ 14,481
Fair Value   $ 13,895
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | OIS Management Services, LLC | Healthcare Equipment and Supplies    
Schedule Of Investments [Line Items]    
Maturity   Jul. 09, 2026
Industry   Healthcare Equipment and Supplies
Current Coupon   5.75%
Basis Point Spread Above Index   1M L+475
Basis Point Spread Above Index, Amount   $ 475
Par / Shares   1,995
Cost   $ 1,966
Fair Value   $ 1,965
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | One Stop Mailing, LLC | Air Freight and Logistics    
Schedule Of Investments [Line Items]    
Maturity   May 07, 2027
Industry   Air Freight and Logistics
Current Coupon   7.25%
Basis Point Spread Above Index   1M L+625
Basis Point Spread Above Index, Amount   $ 625
Par / Shares   14,920
Cost   $ 14,631
Fair Value   $ 14,659
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Output Services Group, Inc. | Business Services    
Schedule Of Investments [Line Items]    
Maturity   Mar. 27, 2024
Industry   Business Services
Current Coupon   5.50%
Basis Point Spread Above Index   1M L+450
Basis Point Spread Above Index, Amount   $ 450
Par / Shares   7,743
Cost   $ 7,733
Fair Value   $ 7,047
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Ox Two, LLC | Construction and Building    
Schedule Of Investments [Line Items]    
Maturity   May 18, 2026
Industry   Construction and Building
Current Coupon   7.00%
Basis Point Spread Above Index   3M L+600
Basis Point Spread Above Index, Amount   $ 600
Par / Shares   4,975
Cost   $ 4,901
Fair Value   $ 4,876
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | PH Beauty Holdings III, Inc. | Wholesale    
Schedule Of Investments [Line Items]    
Maturity   Sep. 29, 2025
Industry   Wholesale
Current Coupon   5.12%
Basis Point Spread Above Index   1M L+500
Basis Point Spread Above Index, Amount   $ 500
Par / Shares   9,693
Cost   $ 9,514
Fair Value   $ 9,467
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Plant Health Intermediate, Inc. | Chemicals, Plastics and Rubber    
Schedule Of Investments [Line Items]    
Maturity   Oct. 19, 2022
Industry   Chemicals, Plastics and Rubber
Current Coupon   6.75%
Basis Point Spread Above Index   3M L+575
Basis Point Spread Above Index, Amount   $ 575
Par / Shares   1,578
Cost   $ 1,568
Fair Value   $ 1,578
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | PlayPower, Inc. | Consumer Goods: Durable    
Schedule Of Investments [Line Items]    
Maturity   May 08, 2026
Industry   Consumer Goods: Durable
Current Coupon   5.63%
Basis Point Spread Above Index   3M L+550
Basis Point Spread Above Index, Amount   $ 550
Par / Shares   3,805
Cost   $ 3,720
Fair Value   $ 3,736
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Recteq, LLC | Leisure Products    
Schedule Of Investments [Line Items]    
Maturity   Jan. 29, 2026
Industry   Leisure Products
Current Coupon   7.00%
Basis Point Spread Above Index   3M L+600
Basis Point Spread Above Index, Amount   $ 600
Par / Shares   4,975
Cost   $ 4,888
Fair Value   $ 4,925
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Research Now Group, Inc. and Survey Sampling International LLC | Diversified Consumer Services    
Schedule Of Investments [Line Items]    
Maturity   Dec. 20, 2024
Industry   Diversified Consumer Services
Current Coupon   6.50%
Basis Point Spread Above Index   3M L+550
Basis Point Spread Above Index, Amount   $ 550
Par / Shares   10,680
Cost   $ 10,592
Fair Value   $ 10,544
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Sales Benchmark Index LLC | Professional Services    
Schedule Of Investments [Line Items]    
Maturity   Jan. 03, 2025
Industry   Professional Services
Current Coupon   7.75%
Basis Point Spread Above Index   3M L+600
Basis Point Spread Above Index, Amount   $ 600
Par / Shares   5,578
Cost   $ 5,496
Fair Value   $ 5,439
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Sargent & Greenleaf Inc. | Wholesale    
Schedule Of Investments [Line Items]    
Maturity   Dec. 20, 2024
Industry   Wholesale
Current Coupon   7.00%
Basis Point Spread Above Index   1M L+550
Basis Point Spread Above Index, Amount   $ 550
Par / Shares   5,550
Cost   $ 5,493
Fair Value   $ 5,550
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Schlesinger Global, Inc. | Business Services    
Schedule Of Investments [Line Items]    
Maturity   Jul. 14, 2025
Industry   Business Services
Current Coupon   8.00%
Basis Point Spread Above Index   3M L+700
Basis Point Spread Above Index, Amount   $ 700
Par / Shares   11,785
Cost   $ 11,760
Fair Value   $ 11,254
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Smile Brands Inc. | Healthcare And Pharmaceuticals    
Schedule Of Investments [Line Items]    
Maturity   Oct. 14, 2024
Industry   Healthcare and Pharmaceuticals
Current Coupon   5.32%
Basis Point Spread Above Index   3M L+450
Basis Point Spread Above Index, Amount   $ 450
Par / Shares   12,576
Cost   $ 12,459
Fair Value   $ 12,451
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Snak Club, LLC | Beverage, Food and Tobacco    
Schedule Of Investments [Line Items]    
Maturity   Jul. 19, 2022
Industry   Beverage, Food and Tobacco
Current Coupon   7.00%
Basis Point Spread Above Index   1M L+600
Basis Point Spread Above Index, Amount   $ 600
Par / Shares   4,388
Cost   $ 4,362
Fair Value   $ 4,388
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Solutionreach, Inc. | Healthcare And Pharmaceuticals    
Schedule Of Investments [Line Items]    
Maturity   Jan. 17, 2024
Industry   Healthcare and Pharmaceuticals
Current Coupon   6.75%
Basis Point Spread Above Index   1M L+575
Basis Point Spread Above Index, Amount   $ 575
Par / Shares   5,892
Cost   $ 5,854
Fair Value   $ 5,892
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Spectacle Gary Holdings, LLC | Hotels, Restaurants and Leisure    
Schedule Of Investments [Line Items]    
Maturity   Dec. 23, 2025
Industry   Hotels, Restaurants and Leisure
Current Coupon   11.00%
Basis Point Spread Above Index   1M L+900
Basis Point Spread Above Index, Amount   $ 900
Par / Shares   4,389
Cost   $ 4,506
Fair Value   $ 4,765
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | STV Group Incorporated | Construction and Building    
Schedule Of Investments [Line Items]    
Maturity   Dec. 11, 2026
Industry   Construction and Building
Current Coupon   5.33%
Basis Point Spread Above Index   1M L+525
Basis Point Spread Above Index, Amount   $ 525
Par / Shares   9,075
Cost   $ 9,004
Fair Value   $ 9,030
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | TAC LifePort Purchaser, LLC | Aerospace and Defense    
Schedule Of Investments [Line Items]    
Maturity   Mar. 01, 2026
Industry   Aerospace and Defense
Current Coupon   7.00%
Basis Point Spread Above Index   3M L+600
Basis Point Spread Above Index, Amount   $ 600
Par / Shares   4,950
Cost   $ 4,860
Fair Value   $ 4,948
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | TeleGuam Holdings, LLC | Telecommunications    
Schedule Of Investments [Line Items]    
Maturity   Nov. 20, 2025
Industry   Telecommunications
Current Coupon   5.50%
Basis Point Spread Above Index   1M L+450
Basis Point Spread Above Index, Amount   $ 450
Par / Shares   10,337
Cost   $ 10,313
Fair Value   $ 10,234
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Teneo Holdings LLC | Business Services    
Schedule Of Investments [Line Items]    
Maturity   Jul. 18, 2025
Industry   Business Services
Current Coupon   6.25%
Basis Point Spread Above Index   1M L+525
Basis Point Spread Above Index, Amount   $ 525
Par / Shares   2,309
Cost   $ 2,306
Fair Value   $ 2,297
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | The Aegis Technologies Group, LLC | Aerospace and Defense    
Schedule Of Investments [Line Items]    
Maturity   Oct. 31, 2025
Industry   Aerospace and Defense
Current Coupon   6.77%
Basis Point Spread Above Index   3M L+550
Basis Point Spread Above Index, Amount   $ 550
Par / Shares   5,713
Cost   $ 5,634
Fair Value   $ 5,656
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | The Bluebird Group LLC | Professional Services    
Schedule Of Investments [Line Items]    
Maturity   Jul. 27, 2026
Industry   Professional Services
Current Coupon   8.00%
Basis Point Spread Above Index   3M L+700
Basis Point Spread Above Index, Amount   $ 700
Par / Shares   1,744
Cost   $ 1,710
Fair Value   $ 1,733
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | The Infosoft Group, LLC | Media: Broadcasting and Subscription    
Schedule Of Investments [Line Items]    
Maturity   Sep. 16, 2024
Industry   Media: Broadcasting and Subscription
Current Coupon   6.75%
Basis Point Spread Above Index   6M L+575
Basis Point Spread Above Index, Amount   $ 575
Par / Shares   13,383
Cost   $ 13,376
Fair Value   $ 13,383
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | The Vertex Companies, LLC | Construction & Engineering    
Schedule Of Investments [Line Items]    
Maturity   Aug. 30, 2027
Industry   Construction and Engineering
Current Coupon   6.50%
Basis Point Spread Above Index   6M L+550
Basis Point Spread Above Index, Amount   $ 550
Par / Shares   5,634
Cost   $ 5,523
Fair Value   $ 5,529
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | TPC Canada Parent, Inc. and TPC US Parent, LLC | Consumer Goods: Non-Durable    
Schedule Of Investments [Line Items]    
Maturity   Nov. 24, 2025
Industry   Consumer Goods: Non-Durable
Current Coupon   6.25%
Basis Point Spread Above Index   3M L+525
Basis Point Spread Above Index, Amount   $ 525
Par / Shares   8,834
Cost   $ 8,655
Fair Value   $ 8,569
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | TVC Enterprises, LLC | Diversified Consumer Services    
Schedule Of Investments [Line Items]    
Maturity   Mar. 26, 2026
Industry   Diversified Consumer Services
Current Coupon   6.75%
Basis Point Spread Above Index   1M L+575
Basis Point Spread Above Index, Amount   $ 575
Par / Shares   8,558
Cost   $ 8,593
Fair Value   $ 8,558
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | TWS Acquisition Corporation | Diversified Consumer Services    
Schedule Of Investments [Line Items]    
Maturity   Jun. 16, 2025
Industry   Diversified Consumer Services
Current Coupon   7.25%
Basis Point Spread Above Index   1M L+625
Basis Point Spread Above Index, Amount   $ 625
Par / Shares   6,636
Cost   $ 6,599
Fair Value   $ 6,636
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Tyto Athene, LLC | IT Services    
Schedule Of Investments [Line Items]    
Maturity   Aug. 27, 2024
Industry   IT Services
Current Coupon   6.25%
Basis Point Spread Above Index   1M L+550
Basis Point Spread Above Index, Amount   $ 550
Par / Shares   11,443
Cost   $ 11,334
Fair Value   $ 11,443
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | UBEO, LLC | Capital Equipment    
Schedule Of Investments [Line Items]    
Maturity   Apr. 03, 2024
Industry   Capital Equipment
Current Coupon   5.50%
Basis Point Spread Above Index   1M L+450
Basis Point Spread Above Index, Amount   $ 450
Par / Shares   17,571
Cost   $ 17,457
Fair Value   $ 17,483
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Urology Management Associates, LLC | Healthcare And Pharmaceuticals    
Schedule Of Investments [Line Items]    
Maturity   Aug. 30, 2024
Industry   Healthcare and Pharmaceuticals
Current Coupon   5.50%
Basis Point Spread Above Index   1M L+450
Basis Point Spread Above Index, Amount   $ 450
Par / Shares   11,030
Cost   $ 10,849
Fair Value   $ 10,975
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Walker Edison Furniture Company LLC | Wholesale    
Schedule Of Investments [Line Items]    
Maturity   Mar. 31, 2027
Industry   Wholesale
Current Coupon   6.75%
Basis Point Spread Above Index   1M L+575
Basis Point Spread Above Index, Amount   $ 575
Par / Shares   12,438
Cost   $ 12,142
Fair Value   $ 11,971
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Wildcat Buyerco, Inc. | Electronic Equipment, Instruments, and Components    
Schedule Of Investments [Line Items]    
Maturity   Feb. 27, 2026
Industry   Electronic Equipment, Instruments, and Components
Current Coupon   6.00%
Basis Point Spread Above Index   3M L+500
Basis Point Spread Above Index, Amount   $ 500
Par / Shares   5,706
Cost   $ 5,656
Fair Value   $ 5,678
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | DBI Intermediate HoldCo LLC | Term Loan B | Business Services    
Schedule Of Investments [Line Items]    
Maturity   Feb. 02, 2026
Industry   Business Services
Current Coupon   11.00%
Current Coupons, PIK   9.00%
Par / Shares   2,434
Cost   $ 2,434
Fair Value   $ 2,434
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,088.% | Inventus Power, Inc. | Consumer Goods: Durable    
Schedule Of Investments [Line Items]    
Maturity   Sep. 29, 2024
Industry   Consumer Goods: Durable
Current Coupon   9.50%
Basis Point Spread Above Index   3M L+850
Basis Point Spread Above Index, Amount   $ 850
Par / Shares   3,000
Cost   $ 2,947
Fair Value   2,940
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt One Two Six Seven Point Seven Percentage [Member] | Ad.net Acquisition, LLC | Media    
Schedule Of Investments [Line Items]    
Maturity May 06, 2026  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8%    
Schedule Of Investments [Line Items]    
Cost $ 767,316  
Fair Value $ 751,627  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Ad.net Acquisition, LLC | Media    
Schedule Of Investments [Line Items]    
Industry Media  
Current Coupon 9.67%  
Basis Point Spread Above Index 3M L+600  
Basis Point Spread Above Index, Amount $ 600  
Par / Shares 8,888,000  
Cost $ 8,788  
Fair Value $ 8,821  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Alpine Acquisition Corp II | Containers and Packaging    
Schedule Of Investments [Line Items]    
Maturity Nov. 30, 2026  
Industry Containers and Packaging  
Current Coupon 8.22%  
Basis Point Spread Above Index SOFR+600  
Basis Point Spread Above Index, Amount $ 600  
Par / Shares 9,975,000  
Cost $ 9,790  
Fair Value $ 9,576  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Altamira Technologies, LLC | Business Services    
Schedule Of Investments [Line Items]    
Maturity Jul. 24, 2025  
Industry Business Services  
Current Coupon 10.81%  
Basis Point Spread Above Index 3M L+800  
Basis Point Spread Above Index, Amount $ 800  
Par / Shares 5,225,000  
Cost $ 5,113  
Fair Value $ 5,042  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | American Insulated Glass, LLC | Building Products    
Schedule Of Investments [Line Items]    
Maturity Dec. 21, 2023  
Industry Building Products  
Current Coupon 7.79%  
Basis Point Spread Above Index 3M L+550  
Basis Point Spread Above Index, Amount $ 550  
Par / Shares 4,883,000  
Cost $ 4,851  
Fair Value $ 4,883  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Anteriad, LLC (f/k/a MeritDirect, LLC) | Media: Advertising, Printing and Publishing    
Schedule Of Investments [Line Items]    
Maturity May 23, 2024  
Industry Media: Advertising, Printing & Publishing  
Current Coupon 9.67%  
Basis Point Spread Above Index 3M L+550  
Basis Point Spread Above Index, Amount $ 550  
Par / Shares 5,284,000  
Cost $ 5,208  
Fair Value $ 5,284  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Any Hour Services | Professional Services    
Schedule Of Investments [Line Items]    
Maturity Jul. 21, 2027  
Industry Professional Services  
Current Coupon 8.33%  
Basis Point Spread Above Index 3M L+525  
Basis Point Spread Above Index, Amount $ 525  
Par / Shares 3,510,000  
Cost $ 3,441  
Fair Value $ 3,440  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Apex Service Partners, LLC | Diversified Consumer Services    
Schedule Of Investments [Line Items]    
Maturity Jul. 31, 2025  
Industry Diversified Consumer Services  
Current Coupon 6.72%  
Basis Point Spread Above Index 1M L+525  
Basis Point Spread Above Index, Amount $ 525  
Par / Shares 1,010,000  
Cost $ 1,010  
Fair Value $ 1,005  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Apex Service Partners, LLC | Term Loan B | Diversified Consumer Services    
Schedule Of Investments [Line Items]    
Maturity Jul. 31, 2025  
Industry Diversified Consumer Services  
Current Coupon 9.67%  
Basis Point Spread Above Index 3M L+625  
Basis Point Spread Above Index, Amount $ 625  
Par / Shares 2,202,000  
Cost $ 2,202  
Fair Value $ 2,191  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Apex Service Partners, LLC | Term Loan C | Diversified Consumer Services    
Schedule Of Investments [Line Items]    
Maturity Jul. 31, 2025  
Industry Diversified Consumer Services  
Current Coupon 7.86%  
Basis Point Spread Above Index 3M L+525  
Basis Point Spread Above Index, Amount $ 525  
Par / Shares 11,115,000  
Cost $ 11,050  
Fair Value $ 11,059  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Applied Technical Services, LLC | Commercial Services & Supplies    
Schedule Of Investments [Line Items]    
Maturity Dec. 29, 2026  
Industry Commercial Services & Supplies  
Current Coupon 8.76%  
Basis Point Spread Above Index 3M L+575  
Basis Point Spread Above Index, Amount $ 575  
Par / Shares 8,421,000  
Cost $ 8,317  
Fair Value $ 8,211  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Arcfield Acquisition Corp. | Aerospace and Defense    
Schedule Of Investments [Line Items]    
Maturity Mar. 07, 2028  
Industry Aerospace and Defense  
Current Coupon 8.99%  
Basis Point Spread Above Index SOFR + 575  
Basis Point Spread Above Index, Amount $ 575  
Par / Shares 4,677,000  
Cost $ 4,588  
Fair Value $ 4,583  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Beta Plus Technologies, Inc. | Business Services    
Schedule Of Investments [Line Items]    
Maturity Jul. 01, 2029  
Industry Business Services  
Current Coupon 7.76%  
Basis Point Spread Above Index SOFR + 525  
Basis Point Spread Above Index, Amount $ 525  
Par / Shares 5,000,000  
Cost $ 4,903  
Fair Value $ 4,900  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Blackhawk Industrial Distribution, Inc. | Distributors    
Schedule Of Investments [Line Items]    
Maturity Sep. 17, 2024  
Industry Distributors  
Current Coupon 8.62%  
Basis Point Spread Above Index SOFR + 500  
Basis Point Spread Above Index, Amount $ 500  
Par / Shares 15,293,000  
Cost $ 15,102  
Fair Value $ 14,956  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Broder Bros., Co. | Consumer Products    
Schedule Of Investments [Line Items]    
Maturity Dec. 02, 2022  
Industry Consumer Products  
Current Coupon 7.39%  
Basis Point Spread Above Index 3M L+600  
Basis Point Spread Above Index, Amount $ 600  
Par / Shares 2,417,000  
Cost $ 2,417  
Fair Value $ 2,417  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | By Light Professional IT Services, LLC | High Tech Industries    
Schedule Of Investments [Line Items]    
Maturity May 16, 2024  
Industry High Tech Industries  
Current Coupon 9.20%  
Basis Point Spread Above Index 1M L+662  
Basis Point Spread Above Index, Amount $ 662  
Par / Shares 14,822,000  
Cost $ 14,771  
Fair Value $ 14,674  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Cadence Aerospace, LLC | Aerospace and Defense    
Schedule Of Investments [Line Items]    
Maturity Nov. 14, 2023  
Industry Aerospace and Defense  
Current Coupon 11.31%  
Basis Point Spread Above Index 3M L+325  
Basis Point Spread Above Index, Amount $ 325  
Current Coupons, PIK 11.31%  
Par / Shares 12,412,000  
Cost $ 12,385  
Fair Value $ 12,288  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Cartessa Aesthetics, LLC | Distributors    
Schedule Of Investments [Line Items]    
Maturity May 13, 2028  
Industry Distributors  
Current Coupon 9.55%  
Basis Point Spread Above Index SOFR + 600  
Basis Point Spread Above Index, Amount $ 600  
Par / Shares 6,484,000  
Cost $ 6,359  
Fair Value $ 6,386  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | CF512, Inc. | Media    
Schedule Of Investments [Line Items]    
Maturity Aug. 20, 2026  
Industry Media  
Current Coupon 9.08%  
Basis Point Spread Above Index 3M L+600  
Basis Point Spread Above Index, Amount $ 600  
Par / Shares 4,950,000  
Cost $ 4,866  
Fair Value $ 4,876  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | CHA Holdings, Inc. | Construction & Engineering    
Schedule Of Investments [Line Items]    
Maturity Apr. 10, 2025  
Industry Construction and Engineering  
Current Coupon 8.17%  
Basis Point Spread Above Index 3M L+450  
Basis Point Spread Above Index, Amount $ 450  
Par / Shares 5,557,000  
Cost $ 5,487  
Fair Value $ 5,557  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Challenger Performance Optimization, Inc. | Business Services    
Schedule Of Investments [Line Items]    
Maturity Aug. 31, 2023  
Industry Business Services  
Current Coupon 9.27%  
Basis Point Spread Above Index 1M L+575  
Basis Point Spread Above Index, Amount $ 575  
Current Coupons, PIK 1.00%  
Par / Shares 9,271,000  
Cost $ 9,247  
Fair Value $ 8,993  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Connatix Buyer, Inc. | Media    
Schedule Of Investments [Line Items]    
Maturity Jul. 13, 2027  
Industry Media  
Current Coupon 8.42%  
Basis Point Spread Above Index 3M L+550  
Basis Point Spread Above Index, Amount $ 550  
Par / Shares 3,907,000  
Cost $ 3,842  
Fair Value $ 3,810  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Crane 1 Services Inc | Commercial Services & Supplies    
Schedule Of Investments [Line Items]    
Maturity Aug. 16, 2027  
Industry Commercial Services & Supplies  
Current Coupon 9.39%  
Basis Point Spread Above Index 3M L+575  
Basis Point Spread Above Index, Amount $ 575  
Par / Shares 2,110,000  
Cost $ 2,084  
Fair Value $ 2,089  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Douglas Products and Packaging Company LLC | Chemicals, Plastics and Rubber    
Schedule Of Investments [Line Items]    
Maturity Oct. 19, 2022  
Industry Chemicals, Plastics and Rubber  
Current Coupon 8.87%  
Basis Point Spread Above Index 3M L+575  
Basis Point Spread Above Index, Amount $ 575  
Par / Shares 8,655,000  
Cost $ 8,653  
Fair Value $ 8,655  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Douglas Sewer Intermediate, LLC | Chemicals, Plastics and Rubber    
Schedule Of Investments [Line Items]    
Maturity Oct. 19, 2022  
Industry Chemicals, Plastics and Rubber  
Current Coupon 8.87%  
Basis Point Spread Above Index 3M L+575  
Basis Point Spread Above Index, Amount $ 575  
Par / Shares 7,248,000  
Cost $ 7,246  
Fair Value $ 7,248  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Dr. Squatch, LLC | Personal Products    
Schedule Of Investments [Line Items]    
Maturity Aug. 31, 2027  
Industry Personal Products  
Current Coupon 9.42%  
Basis Point Spread Above Index 3M L+575  
Basis Point Spread Above Index, Amount $ 575  
Par / Shares 14,862,000  
Cost $ 14,610  
Fair Value $ 14,639  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | DRI Holding Inc | Media    
Schedule Of Investments [Line Items]    
Maturity Dec. 21, 2028  
Industry Media  
Current Coupon 8.37%  
Basis Point Spread Above Index 1M L+525  
Basis Point Spread Above Index, Amount $ 525  
Par / Shares 1,832,000  
Cost $ 1,680  
Fair Value $ 1,643  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | DRS Holdings III, Inc. | Consumer Goods: Durable    
Schedule Of Investments [Line Items]    
Maturity Nov. 03, 2025  
Industry Consumer Goods: Durable  
Current Coupon 8.87%  
Basis Point Spread Above Index 1M L+575  
Basis Point Spread Above Index, Amount $ 575  
Par / Shares 15,179,000  
Cost $ 15,103  
Fair Value $ 14,693  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Duraco Specialty Tapes LLC | Containers and Packaging    
Schedule Of Investments [Line Items]    
Maturity Jun. 30, 2024  
Industry Containers and Packaging  
Current Coupon 8.62%  
Basis Point Spread Above Index 1M L+550  
Basis Point Spread Above Index, Amount $ 550  
Par / Shares 10,278,000  
Cost $ 10,151  
Fair Value $ 10,031  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | ECL Entertainment, LLC | Hotels, Restaurants and Leisure    
Schedule Of Investments [Line Items]    
Maturity May 01, 2028  
Industry Hotels, Restaurants and Leisure  
Current Coupon 10.62%  
Basis Point Spread Above Index 3M L+750  
Basis Point Spread Above Index, Amount $ 750  
Par / Shares 2,621,000  
Cost $ 2,598  
Fair Value $ 2,581  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | ECM Industries, LLC | Electronic Equipment, Instruments, and Components    
Schedule Of Investments [Line Items]    
Maturity Dec. 23, 2025  
Industry Electronic Equipment, Instruments, and Components  
Current Coupon 7.82%  
Basis Point Spread Above Index 3M L+475  
Basis Point Spread Above Index, Amount $ 475  
Par / Shares 4,974,000  
Cost $ 4,974  
Fair Value $ 4,738  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Exigo Intermediate II, LLC | Software    
Schedule Of Investments [Line Items]    
Maturity Mar. 15, 2027  
Industry Software  
Current Coupon 8.87%  
Basis Point Spread Above Index 1M L+575  
Basis Point Spread Above Index, Amount $ 575  
Par / Shares 12,935,000  
Cost $ 12,759  
Fair Value $ 12,644  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Fairbanks More Defense | Aerospace and Defense    
Schedule Of Investments [Line Items]    
Maturity Jun. 17, 2028  
Industry Aerospace and Defense  
Current Coupon 8.39%  
Basis Point Spread Above Index 3M L+475  
Basis Point Spread Above Index, Amount $ 475  
Par / Shares 10,300,000  
Cost $ 10,238  
Fair Value $ 9,528  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Gantech Acquisition Corp. | IT Services    
Schedule Of Investments [Line Items]    
Maturity May 14, 2026  
Industry IT Services  
Current Coupon 9.37%  
Basis Point Spread Above Index 1M L+625  
Basis Point Spread Above Index, Amount $ 625  
Par / Shares 14,638,000  
Cost $ 14,427  
Fair Value $ 14,199  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Global Holdings InterCo LLC | Diversified Financial Services    
Schedule Of Investments [Line Items]    
Maturity Mar. 16, 2026  
Industry Diversified Financial Services  
Current Coupon 8.74%  
Basis Point Spread Above Index 3M L+600  
Basis Point Spread Above Index, Amount $ 600  
Par / Shares 3,904,000  
Cost $ 3,888  
Fair Value $ 3,728  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Graffiti Buyer, Inc. | Trading Companies & Distributors    
Schedule Of Investments [Line Items]    
Maturity Aug. 10, 2027  
Industry Trading Companies & Distributors  
Current Coupon 9.17%  
Basis Point Spread Above Index 3M L+550  
Basis Point Spread Above Index, Amount $ 550  
Par / Shares 2,369,000  
Cost $ 2,320  
Fair Value $ 2,274  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Hancock Roofing and Construction L.L.C. | Insurance    
Schedule Of Investments [Line Items]    
Maturity Dec. 31, 2026  
Industry Insurance  
Current Coupon 8.67%  
Basis Point Spread Above Index 1M L+500  
Basis Point Spread Above Index, Amount $ 500  
Par / Shares 2,392,000  
Cost $ 2,347  
Fair Value $ 2,356  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Holdco Sands Intermediate, LLC | Aerospace and Defense    
Schedule Of Investments [Line Items]    
Maturity Nov. 23, 2028  
Industry Aerospace and Defense  
Current Coupon 10.17%  
Basis Point Spread Above Index 3M L+600  
Basis Point Spread Above Index, Amount $ 600  
Par / Shares 4,963,000  
Cost $ 4,874  
Fair Value $ 4,863  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | HW Holdco, LLC | Media    
Schedule Of Investments [Line Items]    
Maturity Dec. 10, 2024  
Industry Media  
Current Coupon 6.00%  
Basis Point Spread Above Index 6M L+575  
Basis Point Spread Above Index, Amount $ 575  
Par / Shares 3,052,000  
Cost $ 3,006  
Fair Value $ 3,014  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Icon Partners III, LP | Automobiles Industry    
Schedule Of Investments [Line Items]    
Maturity May 11, 2028  
Industry Automobiles  
Current Coupon 7.55%  
Basis Point Spread Above Index 3M L+450  
Basis Point Spread Above Index, Amount $ 450  
Par / Shares 2,327,000  
Cost $ 1,997  
Fair Value $ 1,701  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | IDC Infusion Services, Inc. | Healthcare Equipment and Supplies    
Schedule Of Investments [Line Items]    
Maturity Dec. 30, 2026  
Industry Healthcare Equipment and Supplies  
Current Coupon 10.20%  
Basis Point Spread Above Index SOFR+700  
Basis Point Spread Above Index, Amount $ 700  
Par / Shares 9,950,000  
Cost $ 9,833  
Fair Value $ 9,502  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Imagine Acquisitionco, LLC | Software    
Schedule Of Investments [Line Items]    
Maturity Nov. 15, 2027  
Industry Software  
Current Coupon 8.42%  
Basis Point Spread Above Index 1M L+550  
Basis Point Spread Above Index, Amount $ 550  
Par / Shares 5,364,000  
Cost $ 5,261  
Fair Value $ 5,230  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Inception Fertility Ventures, LLC | Healthcare Providers and Services    
Schedule Of Investments [Line Items]    
Maturity Dec. 07, 2023  
Industry Healthcare Providers and Services  
Current Coupon 8.55%  
Basis Point Spread Above Index SOFR+700  
Basis Point Spread Above Index, Amount $ 700  
Par / Shares 16,620,000  
Cost $ 16,309  
Fair Value $ 16,454  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Integrative Nutrition, LLC | Diversified Consumer Services    
Schedule Of Investments [Line Items]    
Maturity Sep. 29, 2023  
Industry Diversified Consumer Services  
Current Coupon 8.42%  
Basis Point Spread Above Index 3M L+475  
Basis Point Spread Above Index, Amount $ 475  
Par / Shares 11,187,000  
Cost $ 11,168  
Fair Value $ 10,963  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Integrity Marketing Acquisition, LLC | Insurance    
Schedule Of Investments [Line Items]    
Maturity Aug. 27, 2025  
Industry Insurance  
Current Coupon 7.58%  
Basis Point Spread Above Index 1M L+550  
Basis Point Spread Above Index, Amount $ 550  
Par / Shares 5,966,000  
Cost $ 5,885  
Fair Value $ 5,906  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | ITI Holdings, Inc. | IT Services    
Schedule Of Investments [Line Items]    
Maturity Mar. 03, 2028  
Industry IT Services  
Current Coupon 8.67%  
Basis Point Spread Above Index SOFR + 550  
Basis Point Spread Above Index, Amount $ 550  
Par / Shares 3,980,000  
Cost $ 3,917  
Fair Value $ 3,900  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | K2 Pure Solutions NoCal, L.P. | Chemicals, Plastics and Rubber    
Schedule Of Investments [Line Items]    
Maturity Dec. 20, 2023  
Industry Chemicals, Plastics and Rubber  
Current Coupon 11.12%  
Basis Point Spread Above Index 1M L+800  
Basis Point Spread Above Index, Amount $ 800  
Par / Shares 19,250,000  
Cost $ 19,103  
Fair Value $ 19,250  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Kinetic Purchaser, LLC | Personal Products    
Schedule Of Investments [Line Items]    
Maturity Nov. 10, 2027  
Industry Personal Products  
Current Coupon 9.67%  
Basis Point Spread Above Index 3M L+600  
Basis Point Spread Above Index, Amount $ 600  
Par / Shares 16,830,000  
Cost $ 16,451  
Fair Value $ 16,494  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Lash OpCo, LLC | Personal Products    
Schedule Of Investments [Line Items]    
Maturity Feb. 18, 2027  
Industry Personal Products  
Current Coupon 11.17%  
Basis Point Spread Above Index 3M L+700  
Basis Point Spread Above Index, Amount $ 700  
Par / Shares 14,355,000  
Cost $ 14,074  
Fair Value $ 14,068  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | LAV Gear Holdings, Inc. | Capital Equipment    
Schedule Of Investments [Line Items]    
Maturity Oct. 31, 2024  
Industry Capital Equipment  
Current Coupon 9.70%  
Basis Point Spread Above Index 3M L+550  
Basis Point Spread Above Index, Amount $ 550  
Current Coupons, PIK 2.00%  
Par / Shares 10,578,000  
Cost $ 10,539  
Fair Value $ 10,335  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Lightspeed Buyer Inc. | Healthcare Providers and Services    
Schedule Of Investments [Line Items]    
Maturity Feb. 03, 2026  
Industry Healthcare Providers and Services  
Current Coupon 9.04%  
Basis Point Spread Above Index 3M L+575  
Basis Point Spread Above Index, Amount $ 575  
Par / Shares 10,598,000  
Cost $ 10,428  
Fair Value $ 10,254  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Lucky Bucks, LLC | Hotel, Gaming and Leisure    
Schedule Of Investments [Line Items]    
Maturity Jul. 20, 2027  
Industry Hotel, Gaming and Leisure  
Current Coupon 8.31%  
Basis Point Spread Above Index 3M L+550  
Basis Point Spread Above Index, Amount $ 550  
Par / Shares 4,331,000  
Cost $ 4,258  
Fair Value $ 3,183  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Magenta Buyer, LLC | Software    
Schedule Of Investments [Line Items]    
Maturity Jul. 31, 2028  
Industry Software  
Current Coupon 7.87%  
Basis Point Spread Above Index 1M L+475  
Basis Point Spread Above Index, Amount $ 475  
Par / Shares 2,695,000  
Cost $ 2,539  
Fair Value $ 2,425  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Marketplace Events, LLC | Media: Diversified and Production    
Schedule Of Investments [Line Items]    
Maturity Sep. 30, 2026  
Industry Media: Diversified and Production  
Current Coupon 8.19%  
Basis Point Spread Above Index 1M L+525  
Basis Point Spread Above Index, Amount $ 525  
Par / Shares 4,837,000  
Cost $ 3,527  
Fair Value $ 4,837  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Marketplace Events, LLC | Super Priority First Lien Term Loan | Media: Diversified and Production    
Schedule Of Investments [Line Items]    
Maturity Sep. 30, 2025  
Industry Media: Diversified and Production  
Current Coupon 8.19%  
Basis Point Spread Above Index 1M L+525  
Basis Point Spread Above Index, Amount $ 525  
Par / Shares 647,000  
Cost $ 647  
Fair Value $ 647  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Marketplace Events, LLC | Super Priority First Lien Unfunded Term Loan | Media: Diversified and Production    
Schedule Of Investments [Line Items]    
Maturity Sep. 30, 2025  
Industry Media: Diversified and Production  
Par / Shares 589,000  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Mars Acquisition Holdings Corp. | Media    
Schedule Of Investments [Line Items]    
Maturity May 14, 2026  
Industry Media  
Current Coupon 8.62%  
Basis Point Spread Above Index 1M L+550  
Basis Point Spread Above Index, Amount $ 550  
Par / Shares 9,900,000  
Cost $ 9,782  
Fair Value $ 9,851  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | MBS Holdings, Inc. | Internet Software and Services    
Schedule Of Investments [Line Items]    
Maturity Apr. 16, 2027  
Industry Internet Software and Services  
Current Coupon 8.56%  
Basis Point Spread Above Index 3M L+575  
Basis Point Spread Above Index, Amount $ 575  
Par / Shares 7,406,000  
Cost $ 7,296  
Fair Value $ 7,332  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | MDI Buyer, Inc. | Chemicals, Plastics and Rubber    
Schedule Of Investments [Line Items]    
Maturity Jul. 25, 2028  
Industry Chemicals, Plastics and Rubber  
Current Coupon 8.98%  
Basis Point Spread Above Index 3M L+500  
Basis Point Spread Above Index, Amount $ 500  
Par / Shares 5,000,000  
Cost $ 4,902  
Fair Value $ 4,900  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Meadowlark Acquirer, LLC | Professional Services    
Schedule Of Investments [Line Items]    
Maturity Dec. 10, 2027  
Industry Professional Services  
Current Coupon 9.17%  
Basis Point Spread Above Index 3M L+650  
Basis Point Spread Above Index, Amount $ 650  
Par / Shares 2,396,000  
Cost $ 2,353  
Fair Value $ 2,372  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Owl Acquisition, LLC | Professional Services    
Schedule Of Investments [Line Items]    
Maturity Feb. 04, 2028  
Industry Professional Services  
Current Coupon 8.41%  
Basis Point Spread Above Index 3M L+575  
Basis Point Spread Above Index, Amount $ 575  
Par / Shares 3,990,000  
Cost $ 3,918  
Fair Value $ 3,890  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Mission Critical Electronics, Inc. | Capital Equipment    
Schedule Of Investments [Line Items]    
Maturity Mar. 28, 2024  
Industry Capital Equipment  
Current Coupon 8.70%  
Basis Point Spread Above Index SOFR+500  
Basis Point Spread Above Index, Amount $ 500  
Par / Shares 5,829,000  
Cost $ 5,817  
Fair Value $ 5,759  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Municipal Emergency Services, Inc. | Distributors    
Schedule Of Investments [Line Items]    
Maturity Sep. 28, 2027  
Industry Distributors  
Current Coupon 8.67%  
Basis Point Spread Above Index 3M L+500  
Basis Point Spread Above Index, Amount $ 500  
Par / Shares 3,465,000  
Cost $ 3,405  
Fair Value $ 3,264  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | NBH Group LLC | Healthcare, Education & Childcare    
Schedule Of Investments [Line Items]    
Maturity Aug. 19, 2026  
Industry Healthcare, Education & Childcare  
Current Coupon 7.80%  
Basis Point Spread Above Index 1M L+550  
Basis Point Spread Above Index, Amount $ 550  
Par / Shares 10,820,000  
Cost $ 10,641  
Fair Value $ 10,820  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | New Milani Group LLC | Consumer Goods: Non-Durable    
Schedule Of Investments [Line Items]    
Maturity Jun. 06, 2024  
Industry Consumer Goods: Non-Durable  
Current Coupon 7.75%  
Basis Point Spread Above Index 3M L+500  
Basis Point Spread Above Index, Amount $ 500  
Par / Shares 14,363,000  
Cost $ 14,319  
Fair Value $ 14,111  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | OIS Management Services, LLC | Healthcare Equipment and Supplies    
Schedule Of Investments [Line Items]    
Maturity Jul. 09, 2026  
Industry Healthcare Equipment and Supplies  
Current Coupon 8.40%  
Basis Point Spread Above Index SOFR+475  
Basis Point Spread Above Index, Amount $ 475  
Par / Shares 5,060,000  
Cost $ 4,991  
Fair Value $ 5,060  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | One Stop Mailing, LLC | Air Freight and Logistics    
Schedule Of Investments [Line Items]    
Maturity May 07, 2027  
Industry Air Freight and Logistics  
Current Coupon 9.37%  
Basis Point Spread Above Index 1M L+625  
Basis Point Spread Above Index, Amount $ 625  
Par / Shares 14,598,000  
Cost $ 14,353  
Fair Value $ 14,160  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Output Services Group, Inc. | Business Services    
Schedule Of Investments [Line Items]    
Maturity Mar. 27, 2024  
Industry Business Services  
Current Coupon 9.80%  
Basis Point Spread Above Index 3M L+425  
Basis Point Spread Above Index, Amount $ 425  
Par / Shares 7,682,000  
Cost $ 7,676  
Fair Value $ 5,838  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Ox Two, LLC | Construction and Building    
Schedule Of Investments [Line Items]    
Maturity May 18, 2026  
Industry Construction and Building  
Current Coupon 9.81%  
Basis Point Spread Above Index 3M L+600  
Basis Point Spread Above Index, Amount $ 600  
Par / Shares 4,925,000  
Cost $ 4,866  
Fair Value $ 4,827  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | PH Beauty Holdings III, Inc. | Wholesale    
Schedule Of Investments [Line Items]    
Maturity Sep. 29, 2025  
Industry Wholesale  
Current Coupon 8.07%  
Basis Point Spread Above Index 1M L+500  
Basis Point Spread Above Index, Amount $ 500  
Par / Shares 9,593,000  
Cost $ 9,234  
Fair Value $ 7,674  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | PL Acquisitionco, LLC | Textiles, Apparel and Luxury Goods    
Schedule Of Investments [Line Items]    
Maturity Nov. 09, 2027  
Industry Textiles, Apparel and Luxury Goods  
Current Coupon 9.62%  
Basis Point Spread Above Index 1M L+650  
Basis Point Spread Above Index, Amount $ 650  
Par / Shares 8,238,000  
Cost $ 8,111  
Fair Value $ 8,032  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Plant Health Intermediate, Inc. | Chemicals, Plastics and Rubber    
Schedule Of Investments [Line Items]    
Maturity Oct. 19, 2022  
Industry Chemicals, Plastics and Rubber  
Current Coupon 8.87%  
Basis Point Spread Above Index 3M L+575  
Basis Point Spread Above Index, Amount $ 575  
Par / Shares 1,562,000  
Cost $ 1,561  
Fair Value $ 1,562  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | PlayPower, Inc. | Consumer Goods: Durable    
Schedule Of Investments [Line Items]    
Maturity May 08, 2026  
Industry Consumer Goods: Durable  
Current Coupon 9.17%  
Basis Point Spread Above Index 3M L+550  
Basis Point Spread Above Index, Amount $ 550  
Par / Shares 2,580,000  
Cost $ 2,500  
Fair Value $ 2,309  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Pragmatic Institute, LLC | Education    
Schedule Of Investments [Line Items]    
Maturity Jul. 06, 2028  
Industry Education  
Current Coupon 9.30%  
Basis Point Spread Above Index SOFR+575  
Basis Point Spread Above Index, Amount $ 575  
Par / Shares 11,250,000  
Cost $ 11,056  
Fair Value $ 11,138  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Quantic Electronics, LLC | Aerospace and Defense    
Schedule Of Investments [Line Items]    
Maturity Nov. 19, 2026  
Industry Aerospace and Defense  
Current Coupon 8.41%  
Basis Point Spread Above Index 1M L+625  
Basis Point Spread Above Index, Amount $ 625  
Par / Shares 4,845,000  
Cost $ 4,755  
Fair Value $ 4,729  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Quantic Electronics, LLC | Unfunded Term Loan | Aerospace and Defense    
Schedule Of Investments [Line Items]    
Maturity Nov. 19, 2026  
Industry Aerospace and Defense  
Basis Point Spread Above Index 1M L+625  
Basis Point Spread Above Index, Amount $ 625  
Par / Shares 1,888,000  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Reception Purchaser, LLC | Air Freight and Logistics    
Schedule Of Investments [Line Items]    
Maturity Feb. 28, 2028  
Industry Air Freight and Logistics  
Current Coupon 9.13%  
Basis Point Spread Above Index SOFR+600  
Basis Point Spread Above Index, Amount $ 600  
Par / Shares 4,975,000  
Cost $ 4,904  
Fair Value $ 4,751  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Recteq, LLC | Leisure Products    
Schedule Of Investments [Line Items]    
Maturity Jan. 29, 2026  
Industry Leisure Products  
Current Coupon 9.92%  
Basis Point Spread Above Index 3M L+600  
Basis Point Spread Above Index, Amount $ 600  
Par / Shares 4,925,000  
Cost $ 4,856  
Fair Value $ 4,753  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Research Now Group, Inc. and Dynata, LLC | Diversified Consumer Services    
Schedule Of Investments [Line Items]    
Maturity Dec. 20, 2024  
Industry Diversified Consumer Services  
Current Coupon 8.84%  
Basis Point Spread Above Index 3M L+550  
Basis Point Spread Above Index, Amount $ 550  
Par / Shares 12,564,000  
Cost $ 12,354  
Fair Value $ 11,291  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Sales Benchmark Index LLC | Professional Services    
Schedule Of Investments [Line Items]    
Maturity Jan. 03, 2025  
Industry Professional Services  
Current Coupon 9.67%  
Basis Point Spread Above Index 3M L+600  
Basis Point Spread Above Index, Amount $ 600  
Par / Shares 5,013,000  
Cost $ 4,960  
Fair Value $ 4,963  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Sargent & Greenleaf Inc. | Wholesale    
Schedule Of Investments [Line Items]    
Maturity Dec. 20, 2024  
Industry Wholesale  
Current Coupon 8.62%  
Basis Point Spread Above Index 3M L+550  
Basis Point Spread Above Index, Amount $ 550  
Par / Shares 5,240,000  
Cost $ 5,202  
Fair Value $ 5,187  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Schlesinger Global, Inc. | Business Services    
Schedule Of Investments [Line Items]    
Maturity Jul. 14, 2025  
Industry Business Services  
Current Coupon 10.27%  
Basis Point Spread Above Index SOFR+500  
Basis Point Spread Above Index, Amount $ 500  
Current Coupons, PIK 0.50%  
Par / Shares 11,847,000  
Cost $ 11,829  
Fair Value $ 11,551  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Sigma Defense Systems, LLC | Aerospace and Defense    
Schedule Of Investments [Line Items]    
Maturity Dec. 18, 2025  
Industry Aerospace and Defense  
Current Coupon 12.17%  
Basis Point Spread Above Index 1M L+850  
Basis Point Spread Above Index, Amount $ 850  
Par / Shares 14,716,000  
Cost $ 14,411  
Fair Value $ 14,421  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Smile Brands Inc. | Healthcare And Pharmaceuticals    
Schedule Of Investments [Line Items]    
Maturity Oct. 14, 2025  
Industry Healthcare and Pharmaceuticals  
Current Coupon 7.05%  
Basis Point Spread Above Index 3M L+450  
Basis Point Spread Above Index, Amount $ 450  
Par / Shares 11,917,000  
Cost $ 11,807  
Fair Value $ 11,470  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Solutionreach, Inc. | Healthcare And Pharmaceuticals    
Schedule Of Investments [Line Items]    
Maturity Jan. 17, 2024  
Industry Healthcare and Pharmaceuticals  
Current Coupon 8.87%  
Basis Point Spread Above Index 1M L+575  
Basis Point Spread Above Index, Amount $ 575  
Par / Shares 5,647,000  
Cost $ 5,625  
Fair Value $ 5,511  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Spendmend Holdings LLC | Healthcare Technology    
Schedule Of Investments [Line Items]    
Maturity Mar. 01, 2028  
Industry Healthcare Technology  
Current Coupon 8.63%  
Basis Point Spread Above Index SOFR+575  
Basis Point Spread Above Index, Amount $ 575  
Par / Shares 2,956,000  
Cost $ 2,916  
Fair Value $ 2,873  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | STV Group Incorporated | Construction and Building    
Schedule Of Investments [Line Items]    
Maturity Dec. 11, 2026  
Industry Construction and Building  
Current Coupon 8.37%  
Basis Point Spread Above Index 3M L+525  
Basis Point Spread Above Index, Amount $ 525  
Par / Shares 9,075,000  
Cost $ 9,011  
Fair Value $ 8,985  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | System Planning and Analysis, Inc. (f/k/a Management Consulting & Research, LLC) | Aerospace and Defense    
Schedule Of Investments [Line Items]    
Maturity Aug. 16, 2027  
Industry Aerospace and Defense  
Current Coupon 8.73%  
Basis Point Spread Above Index SOFR+600  
Basis Point Spread Above Index, Amount $ 600  
Par / Shares 14,888,000  
Cost $ 14,623  
Fair Value $ 14,649  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Teneo Holdings LLC | Business Services    
Schedule Of Investments [Line Items]    
Maturity Jul. 18, 2025  
Industry Business Services  
Current Coupon 8.38%  
Basis Point Spread Above Index 3M L+625  
Basis Point Spread Above Index, Amount $ 625  
Par / Shares 2,786,000  
Cost $ 2,757  
Fair Value $ 2,623  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | The Aegis Technologies Group, LLC | Aerospace and Defense    
Schedule Of Investments [Line Items]    
Maturity Oct. 31, 2025  
Industry Aerospace and Defense  
Current Coupon 9.55%  
Basis Point Spread Above Index 3M L+500  
Basis Point Spread Above Index, Amount $ 500  
Par / Shares 5,659,000  
Cost $ 5,600  
Fair Value $ 5,603  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | The Bluebird Group LLC | Professional Services    
Schedule Of Investments [Line Items]    
Maturity Jul. 27, 2026  
Industry Professional Services  
Current Coupon 10.67%  
Basis Point Spread Above Index 1M L+700  
Basis Point Spread Above Index, Amount $ 700  
Par / Shares 1,707,000  
Cost $ 1,679  
Fair Value $ 1,724  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | The Infosoft Group, LLC | Media: Broadcasting and Subscription    
Schedule Of Investments [Line Items]    
Maturity Sep. 16, 2024  
Industry Media: Broadcasting and Subscription  
Current Coupon 8.47%  
Basis Point Spread Above Index 3M L+525  
Basis Point Spread Above Index, Amount $ 525  
Par / Shares 12,957,000  
Cost $ 12,952  
Fair Value $ 12,859  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | The Vertex Companies, LLC | Construction & Engineering    
Schedule Of Investments [Line Items]    
Maturity Aug. 30, 2027  
Industry Construction and Engineering  
Current Coupon 8.62%  
Basis Point Spread Above Index 1M L+550  
Basis Point Spread Above Index, Amount $ 550  
Par / Shares 5,578,000  
Cost $ 5,479  
Fair Value $ 5,550  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | TPC Canada Parent, Inc. and TPC US Parent, LLC | Consumer Goods: Non-Durable    
Schedule Of Investments [Line Items]    
Maturity Nov. 24, 2025  
Industry Consumer Goods: Non-Durable  
Current Coupon 8.30%  
Basis Point Spread Above Index 3M L+475  
Basis Point Spread Above Index, Amount $ 475  
Par / Shares 8,744,000  
Cost $ 8,604  
Fair Value $ 8,482  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | TVC Enterprises, LLC | Diversified Consumer Services    
Schedule Of Investments [Line Items]    
Maturity Mar. 26, 2026  
Industry Diversified Consumer Services  
Current Coupon 8.87%  
Basis Point Spread Above Index 3M L+550  
Basis Point Spread Above Index, Amount $ 550  
Par / Shares 14,952,000  
Cost $ 14,871  
Fair Value $ 14,578  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | TWS Acquisition Corporation | Diversified Consumer Services    
Schedule Of Investments [Line Items]    
Maturity Jun. 16, 2025  
Industry Diversified Consumer Services  
Current Coupon 8.76%  
Basis Point Spread Above Index 3M L+625  
Basis Point Spread Above Index, Amount $ 625  
Par / Shares 5,468,000  
Cost $ 5,450  
Fair Value $ 5,441  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Tyto Athene, LLC | IT Services    
Schedule Of Investments [Line Items]    
Maturity Apr. 01, 2028  
Industry IT Services  
Current Coupon 7.76%  
Basis Point Spread Above Index 3M L+550  
Basis Point Spread Above Index, Amount $ 550  
Par / Shares 15,550,000  
Cost $ 15,421  
Fair Value $ 14,446  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | UBEO, LLC | Capital Equipment    
Schedule Of Investments [Line Items]    
Maturity Apr. 03, 2024  
Industry Capital Equipment  
Current Coupon 8.17%  
Basis Point Spread Above Index 3M L+450  
Basis Point Spread Above Index, Amount $ 450  
Par / Shares 17,390,000  
Cost $ 17,305  
Fair Value $ 17,129  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Unique Indoor Comfort, LLC | Home and Office Furnishings Housewares    
Schedule Of Investments [Line Items]    
Maturity May 24, 2027  
Industry Home and Office Furnishings, Housewares  
Current Coupon 8.95%  
Basis Point Spread Above Index SOFR+525  
Basis Point Spread Above Index, Amount $ 525  
Par / Shares 4,975,000  
Cost $ 4,880  
Fair Value $ 4,866  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Walker Edison Furniture Company LLC | Wholesale    
Schedule Of Investments [Line Items]    
Maturity Mar. 31, 2027  
Industry Wholesale  
Current Coupon 12.42%  
Basis Point Spread Above Index 3M L+575  
Basis Point Spread Above Index, Amount $ 575  
Current Coupons, PIK 3.00%  
Par / Shares 12,684,000  
Cost $ 12,438  
Fair Value $ 8,473  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Wildcat Buyerco, Inc. | Electronic Equipment, Instruments, and Components    
Schedule Of Investments [Line Items]    
Maturity Feb. 27, 2026  
Industry Electronic Equipment, Instruments, and Components  
Current Coupon 9.45%  
Basis Point Spread Above Index SOFR+550  
Basis Point Spread Above Index, Amount $ 550  
Par / Shares 8,546,000  
Cost $ 8,506  
Fair Value $ 8,261  
PennantPark Senior Secured Loan Fund I LLC | First Lien Secured Debt - 1,280.8% | Zips Car Wash, LLC | Automobiles    
Schedule Of Investments [Line Items]    
Maturity Mar. 01, 2024  
Industry Automobiles  
Current Coupon 10.35%  
Basis Point Spread Above Index 3M L+725  
Basis Point Spread Above Index, Amount $ 725  
Par / Shares 16,957,000  
Cost $ 16,711  
Fair Value 16,533  
PennantPark Senior Secured Loan Fund I LLC | Second Lien Secured Debt    
Schedule Of Investments [Line Items]    
Cost 2,963 5,381
Fair Value $ 2,955 $ 5,374
PennantPark Senior Secured Loan Fund I LLC | Second Lien Secured Debt | Inventus Power, Inc. | Consumer Goods: Durable    
Schedule Of Investments [Line Items]    
Maturity Sep. 29, 2024  
Industry Consumer Goods: Durable  
Current Coupon 12.17%  
Basis Point Spread Above Index 3M L+850  
Basis Point Spread Above Index, Amount $ 850  
Par / Shares 3,000,000  
Cost $ 2,963  
Fair Value $ 2,955  
[1] Represents floating rate instruments that accrue interest at a predetermined spread relative to an index, typically the applicable London Interbank Offered Rate, or LIBOR or “L,” the Euro Interbank Offered Rate, or EURIBOR or “E,” , or Secured Overnight Financing Rate, or "SOFR", or Prime rate, or “P.” The spread may change based on the type of rate used. The terms in the Schedule of Investments disclose the actual interest rate in effect as of the reporting period. LIBOR loans are typically indexed to a 30-day, 90-day or 180-day LIBOR rate (1M L, 3M L, or 6M L, respectively), and EURIBOR loans are typically indexed to a 90-day EURIBOR rate (3M E), SOFR loans are typically indexed to a 30-day, 90-day or 180-day SOFR rates (1M L, 3M L, or 6M L, respectively)at the borrower’s option. All securities are subject to a LIBOR, SOFR or Prime rate floor where a spread is provided, unless noted. The spread provided includes PIK interest and other fee rates, if any..
[2] The provisions of the 1940 Act classify investments based on the level of control that we maintain in a particular portfolio company. As defined in the 1940 Act, a company is generally presumed to be “non-controlled” when we own 25% or less of the portfolio company’s voting securities and “controlled” when we own more than 25% of the portfolio company’s voting securities.
[3] The provisions of the 1940 Act classify investments further based on the level of ownership that we maintain in a particular portfolio company. As defined in the 1940 Act, a company is generally deemed as “non-affiliated” when we own less than 5% of a portfolio company’s voting securities and “affiliated” when we own 5% or more of a portfolio company’s voting securities.
[4] Investment is held through our Taxable Subsidiary (See Note 1).
[5] The securities, or a portion thereof, are not 1) pledged as collateral under the Credit Facility and held through Funding I; or 2) securing the 2031 Asset-Backed Debt (See Note 11) and held through PennantPark CLO I, Ltd.
[6] Valued based on our accounting policy (See Note 2). The value of all securities was determined using significant unobservable inputs (See Note 5).
[7] The provisions of the 1940 Act classify investments based on the level of control that we maintain in a particular portfolio company. As defined in the 1940 Act, a company is generally presumed to be “non-controlled” when we own 25% or less of the portfolio company’s voting securities and “controlled” when we own more than 25% of the portfolio company’s voting securities.
[8] The provisions of the 1940 Act classify investments further based on the level of ownership that we maintain in a particular portfolio company. As defined in the 1940 Act, a company is generally deemed as “non-affiliated” when we own less than 5% of a portfolio company’s voting securities and “affiliated” when we own 5% or more of a portfolio company’s voting securities.
[9] Valued based on our accounting policy (See Note 2). The value of all securities was determined using significant unobservable inputs (See Note 5).