v3.25.2
Schedule of Investments - USD ($)
 6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Investments [Abstract]    
Amortized cost [1] $ 367,346,702 $ 378,175,594
Fair value [2] $ 356,307,066 $ 377,640,318
Percentage of net assets 145.40% 156.60%
Investment, Identifier [Axis]: "Nurses Staffing, LLC (dba Nurses 24/7) First Lien Senior Secured Term Loan SOFR Spread 7.00% Cash Plus 3.00% PIK Interest Rate 11.31% Cash Plus 3.00% PIK Due 8/26/2028"    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9]   star:NursesStaffingLLCDbaNurses247FirstLienSeniorSecuredTermLoanSOFRSpread700CashPlus300PIKInterestRate1131CashPlus300PIKDue8262028Member
Investment, Significant Unobservable Input [true false] [7]   true
Basis spread on variable rate [7],[10]   7.00%
Paid in Kind Basis Spread Variable Rate [7],[10]   3.00%
Interest Rate [7]   11.31%
PIK Interest Rate [7]   3.00%
Acquisition date [7]   May 26, 2023
Maturity date [7]   Aug. 26, 2028
Principal, Shares, Units [7]   5,787,937
Amortized cost [1],[7]   $ 5,684,377
Fair value [2],[7]   $ 5,665,232
Percentage of net assets [7]   2.40%
Investment, Identifier [Axis]: 48forty Intermediate Holdings, Inc. First Lien Senior Secured Term Loan 5.50% Cash Plus SOFR Spread 0.50% PIK 1M Interest Rate 5.50% Cash Plus 0.50% PIK Due 11/30/2029    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[11] star:Four8fortyIntermediateHoldingsIncFirstLienSeniorSecuredTermLoan550CashPlusSOFRSpread050PIK1MInterestRate550CashPlus050PIKDue11302029Member  
Investment, Significant Unobservable Input [true false] [11] true  
Basis spread on variable rate [10],[11] 5.50%  
Paid in Kind Basis Spread Variable Rate [10],[11] 0.50%  
Interest rate term [11] 1 month  
Interest Rate [11] 5.50%  
PIK Interest Rate [11] 0.50%  
Acquisition date [11] Oct. 11, 2022  
Maturity date [11] Nov. 30, 2029  
Principal, Shares, Units [11] 15,236,387  
Amortized cost [1],[11] $ 14,831,512  
Fair value [2],[11] $ 7,861,976  
Percentage of net assets [11] 3.20%  
Investment, Identifier [Axis]: 48forty Intermediate Holdings, Inc. First Lien Senior Secured Term Loan SOFR Spread 5.10% Plus 2.00% Interest Rate 9.43% Cash Plus 2.00% Due 11/30/2029    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[12]   star:Four8fortyIntermediateHoldingsIncFirstLienSeniorSecuredTermLoanSOFRSpread510Plus200InterestRate943CashPlus200Due11302029Member
Investment, Significant Unobservable Input [true false] [12]   true
Basis spread on variable rate [10],[12]   2.00%
Paid in Kind Basis Spread Variable Rate [10],[12]   5.10%
Interest Rate [12]   2.00%
PIK Interest Rate [12]   9.43%
Acquisition date [12]   Oct. 11, 2022
Maturity date [12]   Nov. 30, 2029
Principal, Shares, Units [12]   14,817,041
Amortized cost [1],[12]   $ 14,323,723
Fair value [2],[12]   $ 13,163,459
Percentage of net assets [12]   5.50%
Investment, Identifier [Axis]: 48forty Intermediate Holdings, Inc. Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13],[14],[15] star:Four8fortyIntermediateHoldingsIncWarrantsAndOtherEquitySecuritiesMember  
Investment, Significant Unobservable Input [true false] [13],[14],[15] true  
Basis spread on variable rate [10],[13],[14],[15] 0.00%  
Interest Rate [13],[14],[15] 0.00%  
Acquisition date [13],[14],[15] Oct. 11, 2022  
Principal, Shares, Units [13],[14],[15] 1,994  
Amortized cost [1],[13],[14],[15] $ 0  
Fair value [2],[13],[14],[15] $ 0  
Percentage of net assets [13],[14],[15] 0.00%  
Investment, Identifier [Axis]: Aerospace & Defense First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:AerospaceDefenseFirstLienSeniorSecuredTermLoanMember star:AerospaceDefenseFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Aerospace & Defense Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:AerospaceDefenseWarrantsAndOtherEquitySecuritiesMember star:AerospaceDefenseWarrantsAndOtherEquitySecuritiesMember
Investment, Identifier [Axis]: Aerospace & Defense Warrants and Other Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 1,403 1,354
Amortized cost [1] $ 142,485 $ 142,485
Fair value [2] $ 201,431 $ 32,148
Percentage of net assets 0.00% 0.00%
Investment, Identifier [Axis]: Aerospace Defense First Lien Senior Secured Term Loan Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 9,302,933 8,980,890
Amortized cost [1] $ 9,080,337 $ 8,776,295
Fair value [2] $ 8,224,967 $ 8,071,431
Percentage of net assets 3.30% 3.40%
Investment, Identifier [Axis]: Ambient Enterprises Holdco LLC First Lien Senior Secured Term Loan SOFR Spread 5.75% Interest Rate 10.07% Due 6/30/2030    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:AmbientEnterprisesHoldcoLLCFirstLienSeniorSecuredTermLoanSOFRSpread575InterestRate1007Due6302030Member [16],[17] star:AmbientEnterprisesHoldcoLLCFirstLienSeniorSecuredTermLoanSOFRSpread575InterestRate1007Due6302030Member [7],[18]
Investment, Significant Unobservable Input [true false] true [16],[17] true [7],[18]
Basis spread on variable rate [10] 5.75% [16],[17] 5.75% [7],[18]
Interest Rate 10.07% [16],[17] 10.07% [7],[18]
Acquisition date Dec. 31, 2024 [16],[17] Dec. 31, 2024 [7],[18]
Maturity date Jun. 30, 2030 [16],[17] Jun. 30, 2030 [7],[18]
Principal, Shares, Units 6,404,687 [16],[17] 6,436,872 [7],[18]
Amortized cost [1] $ 6,309,576 [16],[17] $ 6,327,097 [7],[18]
Fair value [2] $ 6,309,576 [16],[17] $ 6,327,097 [7],[18]
Percentage of net assets 2.60% [16],[17] 2.60% [7],[18]
Investment, Identifier [Axis]: Ambient Enterprises Holdco LLC First Lien Senior Secured Term Loan SOFR Spread 5.75% Interest Rate 10.07% Due 6/30/2030 One    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:AmbientEnterprisesHoldcoLLCFirstLienSeniorSecuredTermLoanSOFRSpread575InterestRate1007Due6302030OneMember [16],[17] star:AmbientEnterprisesHoldcoLLCFirstLienSeniorSecuredTermLoanSOFRSpread575InterestRate1007Due6302030OneMember [7],[18]
Investment, Significant Unobservable Input [true false] true [16],[17] true [7],[18]
Basis spread on variable rate [10] 5.75% [16],[17] 5.75% [7],[18]
Interest Rate 10.07% [16],[17] 10.07% [7],[18]
Acquisition date Dec. 31, 2024 [16],[17] Dec. 31, 2024 [7],[18]
Maturity date Jun. 30, 2030 [16],[17] Jun. 30, 2030 [7],[18]
Principal, Shares, Units 1,780,348 [16],[17] 1,789,397 [7],[18]
Amortized cost [1] $ 1,753,075 [16],[17] $ 1,758,861 [7],[18]
Fair value [2] $ 1,753,075 [16],[17] $ 1,758,861 [7],[18]
Percentage of net assets 0.70% [16],[17] 0.70% [7],[18]
Investment, Identifier [Axis]: Ambient Enterprises Holdco LLC First Lien Senior Secured Term Loan SOFR Spread 5.75% Interest Rate 10.09% Due 6/30/2030    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[16],[17] star:AmbientEnterprisesHoldcoLLCFirstLienSeniorSecuredTermLoanSOFRSpread575InterestRate1009Due6302030Member  
Investment, Significant Unobservable Input [true false] [16],[17] true  
Basis spread on variable rate [10],[16],[17] 5.75%  
Interest Rate [16],[17] 10.09%  
Acquisition date [16],[17] Dec. 31, 2024  
Maturity date [16],[17] Jun. 30, 2030  
Principal, Shares, Units [16],[17] 1,264,511  
Amortized cost [1],[16],[17] $ 655,486  
Fair value [2],[16],[17] $ 655,486  
Percentage of net assets [16],[17] 0.30%  
Investment, Identifier [Axis]: Ambient Enterprises Holdco LLC First Lien Senior Secured Term Loan SOFR Spread 5.75% Interest Rate 10.09% Due 6/30/2030 One    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[16],[17] star:AmbientEnterprisesHoldcoLLCFirstLienSeniorSecuredTermLoanSOFRSpread575InterestRate1009Due6302030OneMember  
Investment, Significant Unobservable Input [true false] [16],[17] true  
Basis spread on variable rate [10],[16],[17] 5.75%  
Interest Rate [16],[17] 10.09%  
Acquisition date [16],[17] Dec. 31, 2024  
Maturity date [16],[17] Jun. 30, 2030  
Principal, Shares, Units [16],[17] 509,220  
Amortized cost [1],[16],[17] $ 312,807  
Fair value [2],[16],[17] $ 312,807  
Percentage of net assets [16],[17] 0.10%  
Investment, Identifier [Axis]: Arrow Home Health, LLC (dba Acara Home Health) - Class 1 Units Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13],[14],[19]   star:ArrowHomeHealthLLCDbaAcaraHomeHealthClass1UnitsPreferredEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] [13],[14],[19]   true
Basis spread on variable rate [10],[13],[14],[19]   0.00%
Interest Rate [13],[14],[19]   0.00%
Acquisition date [13],[14],[19]   Nov. 13, 2023
Principal, Shares, Units [13],[14],[19]   56,005
Amortized cost [1],[13],[14],[19]   $ 56,005
Fair value [2],[13],[14],[19]   $ 112,010
Percentage of net assets [13],[14],[19]   0.00%
Investment, Identifier [Axis]: Arrow Home Health, LLC (dba Acara Home Health) - Class A Units Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14],[19]   star:ArrowHomeHealthLLCDbaAcaraHomeHealthClassAUnitsPreferredEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] [14],[19]   true
Basis spread on variable rate [10],[14],[19]   0.00%
Interest Rate [14],[19]   0.00%
Acquisition date [14],[19]   Mar. 19, 2021
Principal, Shares, Units [14],[19]   571,080
Amortized cost [1],[14],[19]   $ 564,321
Fair value [2],[14],[19]   $ 151,376
Percentage of net assets [14],[19]   0.10%
Investment, Identifier [Axis]: Arrow Home Health, LLC (dba Acara Home Health) First Lien Senior Secured Term Loan SOFR Spread 8.50% Interest Rate 12.81% Due 3/19/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[19]   star:ArrowHomeHealthLLCDbaAcaraHomeHealthFirstLienSeniorSecuredTermLoanSOFRSpread850InterestRate1281Due3192026Member
Investment, Significant Unobservable Input [true false] [7],[19]   true
Basis spread on variable rate [7],[10],[19]   8.50%
Interest Rate [7],[19]   12.81%
Acquisition date [7],[19]   Mar. 19, 2021
Maturity date [7],[19]   Mar. 19, 2026
Principal, Shares, Units [7],[19]   797,086
Amortized cost [1],[7],[19]   $ 782,429
Fair value [2],[7],[19]   $ 701,117
Percentage of net assets [7],[19]   0.30%
Investment, Identifier [Axis]: Arrow Home Health, LLC (dba Acara Home Health) Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13],[14],[20] star:ArrowHomeHealthLLCDbaAcaraHomeHealthPreferredEquitySecuritiesMember  
Investment, Significant Unobservable Input [true false] [13],[14],[20] true  
Basis spread on variable rate [10],[13],[14],[20] 0.00%  
Interest Rate [13],[14],[20] 0.00%  
Acquisition date [13],[14],[20] Nov. 13, 2023  
Principal, Shares, Units [13],[14],[20] 56,005  
Amortized cost [1],[13],[14],[20] $ 56,005  
Fair value [2],[13],[14],[20] $ 112,010  
Percentage of net assets [13],[14],[20] 0.00%  
Investment, Identifier [Axis]: Arrow Home Health, LLC (dba Acara Home Health) Preferred Equity Securities Interest Rate 10.00% Preferred Return    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14],[20],[21] star:ArrowHomeHealthLLCDbaAcaraHomeHealthPreferredEquitySecuritiesInterestRate1000PreferredReturnMember  
Investment, Significant Unobservable Input [true false] [14],[20],[21] true  
Basis spread on variable rate [10],[14],[20],[21] 0.00%  
Preferred return [14],[20],[21] 10.00%  
Acquisition date [14],[20],[21] Mar. 19, 2021  
Principal, Shares, Units [14],[20],[21] 571,080  
Amortized cost [1],[14],[20],[21] $ 564,321  
Fair value [2],[14],[20],[21] $ 151,376  
Percentage of net assets [14],[20],[21] 0.10%  
Investment, Identifier [Axis]: Arrow Home Health, LLC (dba Acara Home Health)First Lien Senior Secured Term Loan 3M SOFR Spread 8.50% 3M Interest Rate 8.50% Due 3/19/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17],[20] star:ArrowHomeHealthLLCDbaAcaraHomeHealthFirstLienSeniorSecuredTermLoan3MSOFRSpread8503MInterestRate850Due3192026Member  
Investment, Significant Unobservable Input [true false] [17],[20] true  
Basis spread on variable rate term [10],[17],[20] 3 months  
Basis spread on variable rate [10],[17],[20] 8.50%  
Interest rate term [17],[20] 3 months  
Interest Rate [17],[20] 8.50%  
Acquisition date [17],[20] Mar. 19, 2021  
Maturity date [17],[20] Mar. 19, 2026  
Principal, Shares, Units [17],[20] 797,086  
Amortized cost [1],[17],[20] $ 784,400  
Fair value [2],[17],[20] $ 723,156  
Percentage of net assets [17],[20] 0.30%  
Investment, Identifier [Axis]: BB-HH Platform, Inc. (dba Preferred Care Home Health) First Lien Senior Secured Term Loan SOFR Spread 7.00% Cash Plus 1.50% PIK Interest Rate 11.31% Cash Plus 1.50% PIK Due 5/16/2028    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[22]   star:BBHHPlatformIncDbaPreferredCareHomeHealthFirstLienSeniorSecuredTermLoanSOFRSpread700CashPlus150PIKInterestRate1131CashPlus150PIKDue5162028Member
Investment, Significant Unobservable Input [true false] [7],[22]   true
Basis spread on variable rate [7],[10],[22]   7.00%
Paid in Kind Basis Spread Variable Rate [7],[10],[22]   1.50%
Interest Rate [7],[22]   11.31%
PIK Interest Rate [7],[22]   1.50%
Acquisition date [7],[22]   May 16, 2023
Maturity date [7],[22]   May 16, 2028
Principal, Shares, Units [7],[22]   6,791,230
Amortized cost [1],[7],[22]   $ 6,694,095
Fair value [2],[7],[22]   $ 6,791,230
Percentage of net assets [7],[22]   2.80%
Investment, Identifier [Axis]: BB-HH Platform, Inc. (dba Preferred Care Home Health) First Lien Senior Secured Term Loan SOFR Spread 7.69% Cash Plus 1.82% PIK Interest Rate 12.01% Cash Plus 1.82% PIK Due 5/16/2028    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17],[22] star:BBHHPlatformIncDbaPreferredCareHomeHealthFirstLienSeniorSecuredTermLoanSOFRSpread769CashPlus182PIKInterestRate1201CashPlus182PIKDue5162028Member  
Investment, Significant Unobservable Input [true false] [17],[22] true  
Basis spread on variable rate [10],[17],[22] 7.69%  
Paid in Kind Basis Spread Variable Rate [10],[17],[22] 1.82%  
Interest Rate [17],[22] 12.01%  
PIK Interest Rate [17],[22] 1.82%  
Acquisition date [17],[22] May 16, 2023  
Maturity date [17],[22] May 16, 2028  
Principal, Shares, Units [17],[22] 6,853,419  
Amortized cost [1],[17],[22] $ 6,742,022  
Fair value [2],[17],[22] $ 6,853,420  
Percentage of net assets [17],[22] 2.80%  
Investment, Identifier [Axis]: CHG Parent Holding LLC (dba Coop Home Goods) Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14] star:CHGParentHoldingLLCDbaCoopHomeGoodsWarrantsAndOtherEquitySecuritiesMember [21] star:CHGParentHoldingLLCDbaCoopHomeGoodsWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] [14] true [21] true
Basis spread on variable rate [10],[14] 0.00% [21] 0.00%
Interest Rate [14] 0.00% [21] 0.00%
Acquisition date [14] Jun. 18, 2021 [21] Jun. 18, 2021
Principal, Shares, Units [14] 535,714 [21] 535,714
Amortized cost [1],[14] $ 535,714 [21] $ 535,714
Fair value [2],[14] $ 1,012,857 [21] $ 617,857
Percentage of net assets [14] 0.40% [21] 0.30%
Investment, Identifier [Axis]: CSI IT, LLC Dba Consulting Solutions First Lien Senior Secured Term Loan SOFR Spread 10.76% Interest Rate15.07% Due11/29/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9]   star:CSIITLLCDbaConsultingSolutionsFirstLienSeniorSecuredTermLoanSOFRSpread1076InterestRate1507Due11292026Member
Investment, Significant Unobservable Input [true false] [7]   true
Basis spread on variable rate [7],[10]   10.76%
Interest Rate [7]   15.07%
Acquisition date [7]   Jan. 29, 2021
Maturity date [7]   Jan. 29, 2026
Principal, Shares, Units [7]   12,558,929
Amortized cost [1],[7]   $ 12,433,640
Fair value [2],[7]   $ 12,558,929
Percentage of net assets [7]   5.20%
Investment, Identifier [Axis]: CSI IT, LLC Dba Consulting Solutions First Lien Senior Secured Term Loan SOFR Spread10.76% Interest Rate15.10% Due 1/29/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17] star:CSIITLLCDbaConsultingSolutionsFirstLienSeniorSecuredTermLoanSOFRSpread1076InterestRate1510Due1292026Member  
Investment, Significant Unobservable Input [true false] [17] true  
Basis spread on variable rate [10],[17] 10.76%  
Interest Rate [17] 15.10%  
Acquisition date [17] Jan. 29, 2021  
Maturity date [17] Jan. 29, 2026  
Principal, Shares, Units [17] 12,173,487  
Amortized cost [1],[17] $ 12,099,611  
Fair value [2],[17] $ 12,173,487  
Percentage of net assets [17] 5.00%  
Investment, Identifier [Axis]: Capone Holdings JV, LLC (dba LaSalle Staffing) Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14],[19]   star:CaponeHoldingsJVLLCDbaLaSalleStaffingPreferredEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] [14],[19]   true
Basis spread on variable rate [10],[14],[19]   0.00%
Interest Rate [14],[19]   0.00%
Acquisition date [14],[19]   Feb. 15, 2022
Principal, Shares, Units [14],[19]   4,000,000
Amortized cost [1],[14],[19]   $ 4,000,000
Fair value [2],[14],[19]   $ 6,700,000
Percentage of net assets [14],[19]   2.80%
Investment, Identifier [Axis]: Capone Holdings JV, LLC (dba LaSalle Staffing) Preferred Equity Securities Interest Rate 8.00% Preferred Return    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14],[20],[21] star:HometownHoldingsJVLLCDbaBWGStrategyPreferredEquitySecuritiesInterestRate800PreferredReturnOneMember  
Investment, Significant Unobservable Input [true false] [14],[20],[21] true  
Basis spread on variable rate [10],[14],[20],[21] 0.00%  
Preferred return [14],[20],[21] 8.00%  
Acquisition date [14],[20],[21] Feb. 15, 2022  
Principal, Shares, Units [14],[20],[21] 4,000,000  
Amortized cost [1],[14],[20],[21] $ 4,000,000  
Fair value [2],[14],[20],[21] $ 6,268,000  
Percentage of net assets [14],[20],[21] 2.60%  
Investment, Identifier [Axis]: Caregility Corporation First Lien Senior Secured Term Loan Interest Rate 7.00% Cash Plus 6.59% PIK Due 1/31/2025    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17],[20] star:CaregilityCorporationFirstLienSeniorSecuredTermLoanSOFRSpread926InterestRate700CashPlus659PIKDue1312025Member  
Investment, Significant Unobservable Input [true false] [17],[20] true  
Basis spread on variable rate [10],[17],[20] 0.00%  
Interest rate term [17],[20] 3 months  
Interest Rate [17],[20] 2.70%  
PIK Interest Rate [17],[20] 6.56%  
Acquisition date [17],[20] Dec. 29, 2021  
Maturity date [17],[20] Oct. 31, 2026  
Principal, Shares, Units [17],[20] 2,525,346  
Amortized cost [1],[17],[20] $ 2,409,728  
Fair value [2],[17],[20] $ 2,486,203  
Percentage of net assets [17],[20] 1.00%  
Investment, Identifier [Axis]: Caregility Corporation First Lien Senior Secured Term Loan SOFR Spread 9.26% Interest Rate 7.00% Cash Plus 6.57% PIK Due 1/31/2025    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[19]   star:CaregilityCorporationFirstLienSeniorSecuredTermLoanSOFRSpread926InterestRate700CashPlus657PIKDue1312025Member
Investment, Significant Unobservable Input [true false] [7],[19]   true
Basis spread on variable rate [7],[10],[19]   9.26%
Interest Rate [7],[19]   7.00%
PIK Interest Rate [7],[19]   6.57%
Acquisition date [7],[19]   Dec. 29, 2021
Maturity date [7],[19]   Jan. 31, 2025
Principal, Shares, Units [7],[19]   2,443,445
Amortized cost [1],[7],[19]   $ 2,313,620
Fair value [2],[7],[19]   $ 2,438,069
Percentage of net assets [7],[19]   1.00%
Investment, Identifier [Axis]: Caregility Corporation Senior Secured Notes SOFR Spread 8.00% Interest Rate 8.00%    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9]   star:CaregilityCorporationSeniorSecuredNotesSpread800InterestRate800Member
Investment, Significant Unobservable Input [true false]   true
Basis spread on variable rate [10]   8.00%
Interest Rate   8.00%
Acquisition date   Jul. 03, 2023
Principal, Shares, Units   341,103
Amortized cost [1]   $ 341,103
Fair value [2]   $ 341,103
Percentage of net assets   0.10%
Investment, Identifier [Axis]: Caregility Corporation Series A Units Preferred Equity Securities Interest Rate 10.00% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13] star:CaregilityCorporationSeriesAUnitsPreferredEquitySecuritiesInterestRate1000PIKMember [20] star:CaregilityCorporationSeriesAUnitsPreferredEquitySecuritiesInterestRate800PIKMember [19]
Investment, Significant Unobservable Input [true false] [13] true [20] true [19]
Basis spread on variable rate [10],[13] 0.00% [20] 0.00% [19]
PIK Interest Rate [13] 10.00% [20] 8.00% [19]
Acquisition date [13] Dec. 31, 2022 [20] Dec. 31, 2022 [19]
Principal, Shares, Units [13] 580,798 [20] 151,018 [19]
Amortized cost [1],[13] $ 2,076,097 [20] $ 1,646,318 [19]
Fair value [2],[13] $ 1,454,057 [20] $ 1,188,605 [19]
Percentage of net assets [13] 0.70% [20] 0.50% [19]
Investment, Identifier [Axis]: Caregility Corporation Series B Units Preferred Equity Securities Interest Rate 10.00% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13] star:CaregilityCorporationSeriesBUnitsPreferredEquitySecuritiesInterestRate1000PIKMember [20] star:CaregilityCorporationSeriesBUnitsPreferredEquitySecuritiesInterestRate800PIKMember [19]
Investment, Significant Unobservable Input [true false] [13] true [20] true [19]
Basis spread on variable rate [10],[13] 0.00% [20] 0.00% [19]
PIK Interest Rate [13] 10.00% [20] 8.00% [19]
Acquisition date [13] Jul. 03, 2023 [20] Jul. 03, 2023 [19]
Principal, Shares, Units [13] 3,883,757 [20] 446,889 [19]
Amortized cost [1],[13] $ 3,591,494 [20] $ 3,591,494 [19]
Fair value [2],[13] $ 4,548,126 [20] $ 4,368,416 [19]
Percentage of net assets [13] 1.90% [20] 1.80% [19]
Investment, Identifier [Axis]: Caregility Corporation Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:CaregilityCorporationWarrantsAndOtherEquitySecuritiesMember [20] star:CaregilityCorporationWarrantsAndOtherEquitySecuritiesMember [19]
Investment, Significant Unobservable Input [true false] true [20] true [19]
Basis spread on variable rate [10] 0.00% [20] 0.00% [19]
Interest Rate 0.00% [20] 0.00% [19]
Acquisition date Dec. 29, 2021 [20] Dec. 29, 2021 [19]
Principal, Shares, Units 221,574 [20] 267,801 [19]
Amortized cost [1] $ 443,392 [20] $ 443,392 [19]
Fair value [2] $ 0 [20] $ 0 [19]
Percentage of net assets 0.00% [20] 0.00% [19]
Investment, Identifier [Axis]: Caregility Corporation Warrants and Other Equity Securities One    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:CaregilityCorporationWarrantsAndOtherEquitySecuritiesOneMember  
Investment, Significant Unobservable Input [true false] true  
Basis spread on variable rate [10] 0.00%  
Interest Rate 0.00%  
Acquisition date Dec. 29, 2021  
Principal, Shares, Units 46,227  
Amortized cost [1] $ 0  
Fair value [2] $ 0  
Percentage of net assets 0.00%  
Investment, Identifier [Axis]: Channel Factory Holdings, LLC Preferred Equity Securities Interest Rate 5.00% Plus 5.00% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13],[14]   star:ChannelFactoryHoldingsLLCPreferredEquitySecuritiesInterestRate500Plus500PIKMember
Investment, Significant Unobservable Input [true false] [13],[14]   true
Basis spread on variable rate [10],[13],[14]   0.00%
Interest Rate [13],[14]   5.00%
PIK Interest Rate [13],[14]   5.00%
Acquisition date [13],[14]   Aug. 27, 2020
Principal, Shares, Units [13],[14]   2,381,867
Amortized cost [1],[13],[14]   $ 2,442,592
Fair value [2],[13],[14]   $ 5,552,308
Percentage of net assets [13],[14]   2.30%
Investment, Identifier [Axis]: Channel Factory Holdings, LLC Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13],[14],[21] star:ChannelFactoryHoldingsLLCWarrantsAndOtherEquitySecuritiesMember  
Investment, Significant Unobservable Input [true false] [13],[14],[21] true  
Basis spread on variable rate [10],[13],[14],[21] 0.00%  
Interest Rate [13],[14],[21] 0.00%  
Acquisition date [13],[14],[21] Mar. 31, 2025  
Principal, Shares, Units [13],[14],[21] 594  
Amortized cost [1],[13],[14],[21] $ 0  
Fair value [2],[13],[14],[21] $ 1,045,654  
Percentage of net assets [13],[14],[21] 0.40%  
Investment, Identifier [Axis]: Chemicals First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:ChemicalsFirstLienSeniorSecuredTermLoanMember star:ChemicalsFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Chemicals First Lien Senior Secured Term Loan Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 14,737,500 14,812,500
Amortized cost [1] $ 14,683,685 $ 14,623,342
Fair value [2] $ 14,737,500 $ 14,812,499
Percentage of net assets 6.00% 6.20%
Investment, Identifier [Axis]: Chicken Soup for The Soul, LLC First Lien Senior Secured Term Loan SOFR Spread 8.60% Interest Rate 12.92% Due 3/31/2024    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[11],[23],[24] star:ChickenSoupForTheSoulLLCFirstLienSeniorSecuredTermLoanSOFRSpread860InterestRate1292Due3312024Member  
Investment, Significant Unobservable Input [true false] [11],[23],[24] true  
Basis spread on variable rate [10],[11],[23],[24] 8.60%  
Interest Rate [11],[23],[24] 12.92%  
Acquisition date [11],[23],[24] Oct. 29, 2021  
Maturity date [11],[23],[24] Mar. 31, 2024  
Principal, Shares, Units [11],[23],[24] 6,380,856  
Amortized cost [1],[11],[23],[24] $ 6,380,856  
Fair value [2],[11],[23],[24] $ 1,681,994  
Percentage of net assets [11],[23],[24] 0.70%  
Investment, Identifier [Axis]: Chicken Soup for The Soul, LLC First Lien Senior Secured Term Loan SOFR Spread 8.60% Interest Rate 12.93% Due 3/31/2024    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[12],[24],[25]   star:ChickenSoupForTheSoulLLCFirstLienSeniorSecuredTermLoanSOFRSpread860InterestRate1293Due3312024Member
Investment, Significant Unobservable Input [true false] [12],[24],[25]   true
Basis spread on variable rate [10],[12],[24],[25]   8.60%
Interest Rate [12],[24],[25]   12.93%
Acquisition date [12],[24],[25]   Oct. 29, 2021
Maturity date [12],[24],[25]   Mar. 31, 2024
Principal, Shares, Units [12],[24],[25]   6,380,856
Amortized cost [1],[12],[24],[25]   $ 6,380,856
Fair value [2],[12],[24],[25]   $ 1,681,994
Percentage of net assets [12],[24],[25]   0.70%
Investment, Identifier [Axis]: Clearview Systems, LLC (dba Rip-It) First Lien Senior Secured Term Loan SOFR Spread 10.65% Interest Rate 14.96% Plus 6.50% PIK Due 10/10/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[22]   star:ClearviewSystemsLLCDbaRipItFirstLienSeniorSecuredTermLoanSOFRSpread1065InterestRate1496Plus650PIKDue10102027Member
Investment, Significant Unobservable Input [true false] [7],[22]   true
Basis spread on variable rate [7],[10],[22]   10.65%
Interest Rate [7],[22]   14.96%
PIK Interest Rate [7],[22]   6.50%
Acquisition date [7],[22]   Oct. 11, 2022
Maturity date [7],[22]   Oct. 10, 2027
Principal, Shares, Units [7],[22]   6,703,118
Amortized cost [1],[7],[22]   $ 6,609,366
Fair value [2],[7],[22]   $ 6,703,118
Percentage of net assets [7],[22]   2.80%
Investment, Identifier [Axis]: Clearview Systems, LLC (dba Rip-It) First Lien Senior Secured Term Loan SOFR Spread 4.15% Cash Plus 6.50% PIK Interest Rate 8.49% Cash Plus 6.50% PIK Due 10/10/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17],[22] star:ClearviewSystemsLLCDbaRipItFirstLienSeniorSecuredTermLoanSOFRSpread415CashPlus650PIKInterestRate849CashPlus650PIKDue10102027Member  
Investment, Significant Unobservable Input [true false] [17],[22] true  
Basis spread on variable rate [10],[17],[22] 4.15%  
Paid in Kind Basis Spread Variable Rate [10],[17],[22] 6.50%  
Interest Rate [17],[22] 8.49%  
PIK Interest Rate [17],[22] 6.50%  
Acquisition date [17],[22] Oct. 11, 2022  
Maturity date [17],[22] Oct. 10, 2027  
Principal, Shares, Units [17],[22] 6,929,067  
Amortized cost [1],[17],[22] $ 6,853,185  
Fair value [2],[17],[22] $ 6,929,067  
Percentage of net assets [17],[22] 2.90%  
Investment, Identifier [Axis]: Commercial Services & Supplies First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:CommercialServicesSuppliesFirstLienSeniorSecuredTermLoanMember [11] star:CommercialServicesSuppliesFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Commercial Services & Supplies First Lien Senior Secured Term Loan Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 3,971,429 3,974,826
Amortized cost [1] $ 3,939,213 $ 3,935,110
Fair value [2] $ 3,873,478 $ 3,713,643
Percentage of net assets 1.60% 1.50%
Investment, Identifier [Axis]: Commercial Services and Supplies Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:CommercialServicesAndSuppliesPreferredEquitySecuritiesMember star:CommercialServicesAndSuppliesPreferredEquitySecuritiesMember
Investment, Identifier [Axis]: Commercial Services and Supplies Preferred Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 192,444 192,444
Amortized cost [1] $ 183,612 $ 183,612
Fair value [2] $ 213,724 $ 194,996
Percentage of net assets 0.10% 0.10%
Investment, Identifier [Axis]: Commercial Services and Supplies Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:CommercialServicesAndSuppliesWarrantsAndOtherEquitySecuritiesMember  
Investment, Identifier [Axis]: Commercial Services and Supplies Warrants and Other Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 1,015  
Amortized cost [1] $ 0  
Fair value [2] $ 0  
Percentage of net assets 0.00%  
Investment, Identifier [Axis]: Consolidated Machine & Tool Holdings, LLC First Lien Senior Secured Term Loan SOFR Spread 11.01% Interest Rate 15.32% PIK Due 1/15/2025    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[24],[26]   star:ConsolidatedMachineToolHoldingsLLCFirstLienSeniorSecuredTermLoanSOFRSpread1101InterestRate1532PIKDue1152025Member
Investment, Significant Unobservable Input [true false] [7],[24],[26]   true
Basis spread on variable rate [7],[10],[24],[26]   11.01%
Interest Rate [7],[24],[26]   15.32%
Acquisition date [7],[24],[26]   Jan. 15, 2020
Maturity date [7],[24],[26]   Jan. 15, 2025
Principal, Shares, Units [7],[24],[26]   6,092,878
Amortized cost [1],[7],[24],[26]   $ 5,946,311
Fair value [2],[7],[24],[26]   $ 5,431,800
Percentage of net assets [7],[24],[26]   2.30%
Investment, Identifier [Axis]: Consolidated Machine & Tool Holdings, LLC Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14] star:ConsolidatedMachineToolHoldingsLLCWarrantsAndOtherEquitySecuritiesMember [21],[27] star:ConsolidatedMachineToolHoldingsLLCWarrantsAndOtherEquitySecuritiesMember [28]
Investment, Significant Unobservable Input [true false] [14] true [21],[27] true [28]
Basis spread on variable rate [10],[14] 0.00% [21],[27] 0.00% [28]
Interest Rate [14] 0.00% [21],[27] 0.00% [28]
Acquisition date [14] Jan. 15, 2020 [21],[27] Jan. 15, 2020 [28]
Principal, Shares, Units [14] 176 [21],[27] 176 [28]
Amortized cost [1],[14] $ 142,485 [21],[27] $ 142,485 [28]
Fair value [2],[14] $ 0 [21],[27] $ 0 [28]
Percentage of net assets [14] 0.00% [21],[27] 0.00% [28]
Investment, Identifier [Axis]: Consolidated Machine & Tool Holdings, LLC Warrants and Other Equity Securities One    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:ConsolidatedMachineToolHoldingsLLCWarrantsAndOtherEquitySecuritiesOneMember [21] star:ConsolidatedMachineToolHoldingsLLCWarrantsAndOtherEquitySecuritiesOneMember
Investment, Significant Unobservable Input [true false] true [21] true
Basis spread on variable rate [10] 0.00% [21] 0.00%
Interest Rate 0.00% [21] 0.00%
Acquisition date Mar. 21, 2025 [21] Jan. 15, 2020
Principal, Shares, Units 49 [21] 1,178
Amortized cost [1] $ 0 [21] $ 0
Fair value [2] $ 0 [21] $ 32,148
Percentage of net assets 0.00% [21] 0.00%
Investment, Identifier [Axis]: Consolidated Machine & Tool Holdings, LLC Warrants and Other Equity Securities Two    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[21] star:ConsolidatedMachineToolHoldingsLLCWarrantsAndOtherEquitySecuritiesTwoMember  
Investment, Significant Unobservable Input [true false] [21] true  
Basis spread on variable rate [10],[21] 0.00%  
Interest Rate [21] 0.00%  
Acquisition date [21] Jan. 15, 2020  
Principal, Shares, Units [21] 1,178  
Amortized cost [1],[21] $ 0  
Fair value [2],[21] $ 201,431  
Percentage of net assets [21] 0.10%  
Investment, Identifier [Axis]: Consolidated Machine and Tool Holdings, LLC First Lien Senior Secured Term Loan Interest Rate 11.00% Cash 2.00 PIK Due 6/30/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13],[24] star:ConsolidatedMachineAndToolHoldingsLLCFirstLienSeniorSecuredTermLoanInterestRate1100Cash200PIKDue6302026Member  
Investment, Significant Unobservable Input [true false] [13],[24] true  
Basis spread on variable rate [10],[13],[24] 0.00%  
Interest Rate [13],[24] 11.00%  
PIK Interest Rate [13],[24] 2.00%  
Acquisition date [13],[24] May 22, 2024  
Maturity date [13],[24] Jun. 30, 2026  
Principal, Shares, Units [13],[24] 885,615  
Amortized cost [1],[13],[24] $ 871,578  
Fair value [2],[13],[24] $ 794,132  
Percentage of net assets [13],[24] 0.30%  
Investment, Identifier [Axis]: Consolidated Machine and Tool Holdings, LLC First Lien Senior Secured Term Loan Interest Rate 13.00% PIK Due 1/15/2025    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13],[16],[24],[29],[30] star:ConsolidatedMachineAndToolHoldingsLLCFirstLienSeniorSecuredTermLoanInterestRate1300PIKDue1152025Member  
Investment, Significant Unobservable Input [true false] [13],[16],[24],[29],[30] true  
Basis spread on variable rate [10],[13],[16],[24],[29],[30] 0.00%  
PIK Interest Rate [13],[16],[24],[29],[30] 13.00%  
Acquisition date [13],[16],[24],[29],[30] Nov. 22, 2023  
Maturity date [13],[16],[24],[29],[30] Jan. 15, 2025  
Principal, Shares, Units [13],[16],[24],[29],[30] 708,154  
Amortized cost [1],[13],[16],[24],[29],[30] $ 697,699  
Fair value [2],[13],[16],[24],[29],[30] $ 708,154  
Percentage of net assets [13],[16],[24],[29],[30] 0.30%  
Investment, Identifier [Axis]: Consolidated Machine and Tool Holdings, LLC First Lien Senior Secured Term Loan Interest Rate 20.00% PIK Due 1/15/2025    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13],[24] star:ConsolidatedMachineAndToolHoldingsLLCFirstLienSeniorSecuredTermLoanSOFRSpread2000PIKDue1152025Member [23],[30] star:ConsolidatedMachineAndToolHoldingsLLCFirstLienSeniorSecuredTermLoanSOFRSpread2000PIKDue1152025Member [26]
Investment, Significant Unobservable Input [true false] [13],[24] true [23],[30] true [26]
Basis spread on variable rate [10],[13],[24] 0.00% [23],[30] 0.00% [26]
PIK Interest Rate [13],[24] 20.00% [23],[30] 20.00% [26]
Acquisition date [13],[24] Nov. 22, 2023 [23],[30] Nov. 22, 2023 [26]
Maturity date [13],[24] Jan. 15, 2025 [23],[30] Jan. 15, 2025 [26]
Principal, Shares, Units [13],[24] 241,532 [23],[30] 708,154 [26]
Amortized cost [1],[13],[24] $ 241,532 [23],[30] $ 697,699 [26]
Fair value [2],[13],[24] $ 215,618 [23],[30] $ 708,154 [26]
Percentage of net assets [13],[24] 0.10% [23],[30] 0.30% [26]
Investment, Identifier [Axis]: Consolidated Machine and Tool Holdings, LLC First Lien Senior Secured Term Loan SOFR Spread 11.00% Due 6/30/2025    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13],[24]   star:ConsolidatedMachineAndToolHoldingsLLCFirstLienSeniorSecuredTermLoanSOFRSpread1100Due6302025Member
Investment, Significant Unobservable Input [true false] [13],[24]   true
Basis spread on variable rate [10],[13],[24]   0.00%
Interest Rate [13],[24]   11.00%
Acquisition date [13],[24]   May 22, 2024
Maturity date [13],[24]   Jun. 30, 2025
Principal, Shares, Units [13],[24]   885,615
Amortized cost [1],[13],[24]   $ 869,176
Fair value [2],[13],[24]   $ 777,659
Percentage of net assets [13],[24]   0.30%
Investment, Identifier [Axis]: Consolidated Machine and Tool Holdings, LLC First Lien Senior Secured Term Loan SOFR Spread 11.01% Interest Rate 17.35% PIK Due 1/15/2025    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[23],[24],[30] star:ConsolidatedMachineAndToolHoldingsLLCFirstLienSeniorSecuredTermLoanSOFRSpread1201InterestRate166PIKDue1192023Member  
Investment, Significant Unobservable Input [true false] [7],[23],[24],[30] true  
Basis spread on variable rate [7],[10],[23],[24],[30] 11.01%  
Interest Rate [7],[23],[24],[30] 17.35%  
Acquisition date [7],[23],[24],[30] Jan. 15, 2020  
Maturity date [7],[23],[24],[30] Jan. 15, 2025  
Principal, Shares, Units [7],[23],[24],[30] 7,387,121  
Amortized cost [1],[7],[23],[24],[30] $ 7,190,503  
Fair value [2],[7],[23],[24],[30] $ 6,433,906  
Percentage of net assets [7],[23],[24],[30] 2.60%  
Investment, Identifier [Axis]: Consolidated Machine and Tool Holdings, LLC First Lien Senior Secured Term Loan SOFR Spread 12.01% Interest Rate 18.35% PIK Due 1/15/2025    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[24],[29],[30] star:ConsolidatedMachineAndToolHoldingsLLCFirstLienSeniorSecuredTermLoanSOFRSpread1201InterestRate1835PIKDue1152025Member  
Investment, Significant Unobservable Input [true false] [7],[24],[29],[30] true  
Basis spread on variable rate [7],[10],[24],[29],[30] 12.01%  
Interest Rate [7],[24],[29],[30] 18.35%  
Acquisition date [7],[24],[29],[30] Jan. 19, 2023  
Maturity date [7],[24],[29],[30] Jan. 15, 2025  
Principal, Shares, Units [7],[24],[29],[30] 80,511  
Amortized cost [1],[7],[24],[29],[30] $ 79,025  
Fair value [2],[7],[24],[29],[30] $ 73,157  
Percentage of net assets [7],[24],[29],[30] 0.00%  
Investment, Identifier [Axis]: Consolidated Machine and Tool Holdings, LLC First Lien Senior Secured Term Loan SOFR Spread 12.01% Interest rate 16.32% PIK Due 1/15/2025    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[24],[26]   star:ConsolidatedMachineAndToolHoldingsLLCFirstLienSeniorSecuredTermLoanSOFRSpread1201InterestRate1632PIKDue1152025Member
Investment, Significant Unobservable Input [true false] [7],[24],[26]   true
Basis spread on variable rate [7],[10],[24],[26]   12.01%
Interest Rate [7],[24],[26]   16.32%
Acquisition date [7],[24],[26]   Jan. 19, 2023
Maturity date [7],[24],[26]   Jan. 15, 2025
Principal, Shares, Units [7],[24],[26]   1,294,243
Amortized cost [1],[7],[24],[26]   $ 1,263,109
Fair value [2],[7],[24],[26]   $ 1,153,818
Percentage of net assets [7],[24],[26]   0.50%
Investment, Identifier [Axis]: Construction & Engineering First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:ConstructionEngineeringFirstLienSeniorSecuredTermLoanMember star:ConstructionEngineeringFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Construction & Engineering First Lien Senior Secured Term Loan Controlled Investments    
Investments [Abstract]    
Principal, Shares, Units 1,579,986 2,574,092
Amortized cost [1] $ 1,567,585 $ 2,548,389
Fair value [2] $ 1,565,608 $ 2,430,200
Percentage of net assets 0.60% 1.00%
Investment, Identifier [Axis]: Construction & Engineering First Lien Senior Secured Term Loan Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 58,105,674 66,444,967
Amortized cost [1] $ 57,891,975 $ 65,320,314
Fair value [2] $ 58,449,638 $ 66,260,250
Percentage of net assets 23.80% 27.50%
Investment, Identifier [Axis]: Construction & Engineering Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:ConstructionEngineeringPreferredEquitySecuritiesMember star:ConstructionEngineeringPreferredEquitySecuritiesMember
Investment, Identifier [Axis]: Construction & Engineering Preferred Equity Securities Controlled Investments    
Investments [Abstract]    
Principal, Shares, Units 4,439 3,375
Amortized cost [1] $ 4,380,196 $ 3,316,130
Fair value [2] $ 4,777,416 $ 3,519,772
Percentage of net assets 1.90% 1.50%
Investment, Identifier [Axis]: Construction & Engineering Preferred Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 1,858,847 187,418
Amortized cost [1] $ 3,560,642 $ 3,560,642
Fair value [2] $ 7,945,805 $ 7,021,936
Percentage of net assets 3.30% 2.90%
Investment, Identifier [Axis]: Construction & Engineering Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:ConstructionEngineeringWarrantsAndOtherEquitySecuritiesMember star:ConstructionEngineeringWarrantsAndOtherEquitySecuritiesMember
Investment, Identifier [Axis]: Construction & Engineering Warrants and Other Equity Securities Controlled Investments    
Investments [Abstract]    
Principal, Shares, Units 295 295
Amortized cost [1] $ 0 $ 0
Fair value [2] $ 0 $ 0
Percentage of net assets 0.00% 0.00%
Investment, Identifier [Axis]: Construction & Engineering Warrants and Other Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 2 899
Amortized cost [1] $ 0 $ 939,949
Fair value [2] $ 1,259,816 $ 4,473,278
Percentage of net assets 0.50% 1.90%
Investment, Identifier [Axis]: Consumer Finance Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9]   star:ConsumerFinancePreferredEquitySecuritiesMember
Investment, Identifier [Axis]: Consumer Finance Preferred Equity Securities Controlled Investments    
Investments [Abstract]    
Principal, Shares, Units   0
Amortized cost [1]   $ 0
Fair value [2]   $ 0
Percentage of net assets   0.00%
Investment, Identifier [Axis]: Consumer Finance Senior Unsecured Notes    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:ConsumerFinanceSeniorUnsecuredNotesMember star:ConsumerFinanceSeniorUnsecuredNotesMember
Investment, Identifier [Axis]: Consumer Finance Senior Unsecured Notes Controlled Investments    
Investments [Abstract]    
Principal, Shares, Units 3,714,429 3,427,073
Amortized cost [1] $ 3,691,630 $ 3,427,073
Fair value [2] $ 3,733,001 $ 3,427,073
Percentage of net assets 1.50% 1.40%
Investment, Identifier [Axis]: Controlled Investments    
Investments [Abstract]    
Investment, Issuer Affiliation [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:InvestmentAffiliatedIssuersControlledMember star:InvestmentAffiliatedIssuersControlledMember
Amortized cost [1] $ 53,680,357 $ 52,910,374
Fair value [2] $ 52,490,572 $ 50,680,798
Percentage of net assets 21.40% 20.90%
Investment, Identifier [Axis]: Coop Home Goods LLC (dba Coop Home Goods) First Lien Senior Secured Term Loan SOFR Spread 8.26% Interest Rate 12.57% Due 6/18/2026    
Investments [Abstract]    
Investment, Significant Unobservable Input [true false] [7],[22]   true
Basis spread on variable rate [7],[10],[22]   8.26%
Interest Rate [7],[22]   12.57%
Acquisition date [7],[22]   Jun. 18, 2021
Maturity date [7],[22]   Jun. 18, 2026
Principal, Shares, Units [7],[22]   4,373,103
Amortized cost [1],[7],[22]   $ 4,339,971
Fair value [2],[7],[22]   $ 4,373,103
Percentage of net assets [7],[22]   1.80%
Investment, Identifier [Axis]: Coop Home Goods LLC (dba Coop Home Goods) First Lien Senior Secured Term Loan SOFR Spread 8.76% Interest Rate 13.03% Due 6/18/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17],[22] star:CoopHomeGoodsLLCDbaCoopHomeGoodsFirstLienSeniorSecuredTermLoanSOFRSpread876InterestRate1303Due6182026Member  
Investment, Significant Unobservable Input [true false] [17],[22] true  
Basis spread on variable rate [10],[17],[22] 8.76%  
Interest Rate [17],[22] 13.03%  
Acquisition date [17],[22] Jun. 18, 2021  
Maturity date [17],[22] Jun. 18, 2026  
Principal, Shares, Units [17],[22] 3,551,427  
Amortized cost [1],[17],[22] $ 3,535,787  
Fair value [2],[17],[22] $ 3,551,427  
Percentage of net assets [17],[22] 1.40%  
Investment, Identifier [Axis]: CorTech, LLC First Lien Senior Secured Term Loan SOFR Spread 6.35% Interest Rate 10.67% Due 9/30/2025    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17] star:CorTechLLCFirstLienSeniorSecuredTermLoanSOFRSpread635InterestRate1067Due9302025Member  
Investment, Significant Unobservable Input [true false] [17] true  
Basis spread on variable rate [10],[17] 6.35%  
Interest Rate [17] 10.67%  
Acquisition date [17] Jan. 01, 1900  
Maturity date [17] Sep. 30, 2025  
Principal, Shares, Units [17] 7,597,460  
Amortized cost [1],[17] $ 7,575,877  
Fair value [2],[17] $ 7,435,634  
Percentage of net assets [17] 3.00%  
Investment, Identifier [Axis]: CorTech, LLC Second Lien Senior Secured Loan Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units   6,155,951
Amortized cost [1]   $ 6,148,061
Fair value [2]   $ 6,034,048
Percentage of net assets   2.50%
Investment, Identifier [Axis]: CorTech, LLC Second Lien Senior Secured Loan SOFR Spread 6.35% Interest rate 10.66% Due 9/30/2025    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9]   star:CorTechLLCSecondLienSeniorSecuredLoanSOFRSpread635InterestRate1066Due9302025Member
Investment, Significant Unobservable Input [true false] [7]   true
Basis spread on variable rate [7],[10]   6.35%
Interest Rate [7]   10.66%
Acquisition date [7]   Mar. 13, 2020
Maturity date [7]   Sep. 30, 2025
Principal, Shares, Units [7]   6,155,951
Amortized cost [1],[7]   $ 6,148,061
Fair value [2],[7]   $ 6,034,048
Percentage of net assets [7]   2.50%
Investment, Identifier [Axis]: CorTech, LLC Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] star:CorTechLLCWarrantsAndOtherEquitySecuritiesMember  
Investment, Significant Unobservable Input [true false] true  
Basis spread on variable rate 0.00%  
Interest Rate 0.00%  
Principal, Shares, Units 1  
Amortized cost $ 0  
Fair value $ 503,862  
Percentage of net assets 0.00%  
Investment, Identifier [Axis]: DCCM, LLC First Lien Senior Secured Term Loan SOFR Spread 6.76% Plus 1.00% PIK Interest Rate 11.07% Cash Plus 1.00% PIK Due 12/30/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9]   star:DCCMLLCFirstLienSeniorSecuredTermLoanSOFRSpread676Plus100PIKInterestRate1107CashPlus100PIKDue12302026Member
Investment, Significant Unobservable Input [true false] [7]   true
Basis spread on variable rate [7],[10]   6.76%
Paid in Kind Basis Spread Variable Rate [7],[10]   1.00%
Interest Rate [7]   11.07%
PIK Interest Rate [7]   1.00%
Acquisition date [7]   Aug. 06, 2021
Maturity date [7]   Dec. 30, 2026
Principal, Shares, Units [7]   18,148,579
Amortized cost [1],[7]   $ 17,949,974
Fair value [2],[7]   $ 18,232,063
Percentage of net assets [7]   7.50%
Investment, Identifier [Axis]: DCCM, LLC Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14]   star:DCCMLLCWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] [14]   true
Basis spread on variable rate [10],[14]   0.00%
Interest Rate [14]   0.00%
Acquisition date [14]   Aug. 06, 2021
Principal, Shares, Units [14]   897
Amortized cost [1],[14]   $ 939,949
Fair value [2],[14]   $ 3,501,210
Percentage of net assets [14]   1.50%
Investment, Identifier [Axis]: Distributors First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:DistributorsFirstLienSeniorSecuredTermLoanMember star:DistributorsFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Distributors First Lien Senior Secured Term Loan Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 15,236,387 14,817,041
Amortized cost [1] $ 14,831,512 $ 14,323,723
Fair value [2] $ 7,861,976 $ 13,163,459
Percentage of net assets 3.20% 5.50%
Investment, Identifier [Axis]: Distributors Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:DistributorsWarrantsAndOtherEquitySecuritiesMember  
Investment, Identifier [Axis]: Distributors Warrants and Other Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 1,994  
Amortized cost [1] $ 0  
Fair value [2] $ 0  
Percentage of net assets 0.00%  
Investment, Identifier [Axis]: Diversified Financials Fund Investments    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:DiversifiedFinancialsFundInvestmentsMember star:DiversifiedFinancialsFundInvestmentsMember
Investment, Identifier [Axis]: Diversified Financials Fund Investments Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 2,855,855 2,855,855
Amortized cost [1] $ 2,529,567 $ 2,898,305
Fair value [2] $ 2,165,570 $ 2,688,619
Percentage of net assets 0.90% 1.10%
Investment, Identifier [Axis]: Diversified Telecommunication Services First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:DiversifiedTelecommunicationServicesFirstLienSeniorSecuredTermLoanMember star:DiversifiedTelecommunicationServicesFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Diversified Telecommunication Services First Lien Senior Secured Term Loan Controlled Investments    
Investments [Abstract]    
Principal, Shares, Units 2,525,346 2,443,445
Amortized cost [1] $ 2,409,728 $ 2,313,620
Fair value [2] $ 2,486,203 $ 2,438,069
Percentage of net assets 1.00% 1.00%
Investment, Identifier [Axis]: Diversified Telecommunication Services First Lien Senior Secured Term Loan Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 14,107,023 14,104,180
Amortized cost [1] $ 13,840,772 $ 13,779,867
Fair value [2] $ 14,107,023 $ 13,894,028
Percentage of net assets 5.80% 5.80%
Investment, Identifier [Axis]: Diversified Telecommunication Services Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:DiversifiedTelecommunicationServicesPreferredEquitySecuritiesMember star:DiversifiedTelecommunicationServicesPreferredEquitySecuritiesMember
Investment, Identifier [Axis]: Diversified Telecommunication Services Preferred Equity Securities Controlled Investments    
Investments [Abstract]    
Principal, Shares, Units 4,464,555 597,907
Amortized cost [1] $ 5,667,591 $ 5,237,812
Fair value [2] $ 6,002,183 $ 5,557,021
Percentage of net assets 2.60% 2.30%
Investment, Identifier [Axis]: Diversified Telecommunication Services Preferred Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 819,088 3,959,977
Amortized cost [1] $ 799,597 $ 799,597
Fair value [2] $ 1,475,342 $ 907,386
Percentage of net assets 0.60% 0.40%
Investment, Identifier [Axis]: Diversified Telecommunication Services Senior Secured Notes    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9]   star:DiversifiedTelecommunicationServicesSeniorSecuredNotesMember
Investment, Identifier [Axis]: Diversified Telecommunication Services Senior Secured Notes Controlled Investments    
Investments [Abstract]    
Principal, Shares, Units   341,103
Amortized cost [1]   $ 341,103
Fair value [2]   $ 341,103
Percentage of net assets   0.10%
Investment, Identifier [Axis]: Diversified Telecommunication Services Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:DiversifiedTelecommunicationServicesWarrantsAndOtherEquitySecuritiesMember star:DiversifiedTelecommunicationServicesWarrantsAndOtherEquitySecuritiesMember
Investment, Identifier [Axis]: Diversified Telecommunication Services Warrants and Other Equity Securities Controlled Investments    
Investments [Abstract]    
Principal, Shares, Units 267,801 267,801
Amortized cost [1] $ 443,392 $ 443,392
Fair value [2] $ 0 $ 0
Percentage of net assets 0.00% 0.00%
Investment, Identifier [Axis]: Douglas Products and Packaging Company, LLC First Lien Senior Secured Term Loan SOFR Spread 6.90% Interest Rate 11.23% Due 9/20/2028    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[12],[22]   star:DouglasProductsAndPackagingCompanyLLCFirstLienSeniorSecuredTermLoanSOFRSpread690InterestRate1123Due9202028Member
Investment, Significant Unobservable Input [true false] [12],[22]   true
Basis spread on variable rate [10],[12],[22]   6.90%
Interest Rate [12],[22]   11.23%
Acquisition date [12],[22]   Sep. 20, 2023
Maturity date [12],[22]   Sep. 20, 2028
Principal, Shares, Units [12],[22]   14,812,500
Amortized cost [1],[12],[22]   $ 14,623,342
Fair value [2],[12],[22]   $ 14,812,499
Percentage of net assets [12],[22]   6.20%
Investment, Identifier [Axis]: Douglas Products and Packaging Company, LLC First Lien Senior Secured Term Loan SOFR Spread 8.04% Interest Rate 12.36% Due 9/20/2028    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[11],[22] star:DouglasProductsAndPackagingCompanyLLCFirstLienSeniorSecuredTermLoanSOFRSpread804InterestRate1236Due9202028Member  
Investment, Significant Unobservable Input [true false] [11],[22] true  
Basis spread on variable rate [10],[11],[22] 8.04%  
Interest Rate [11],[22] 12.36%  
Acquisition date [11],[22] Sep. 20, 2023  
Maturity date [11],[22] Sep. 20, 2028  
Principal, Shares, Units [11],[22] 14,737,500  
Amortized cost [1],[11],[22] $ 14,683,685  
Fair value [2],[11],[22] $ 14,737,500  
Percentage of net assets [11],[22] 6.00%  
Investment, Identifier [Axis]: Electrical Equipment First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:ElectricalEquipmentFirstLienSeniorSecuredTermLoanMember star:ElectricalEquipmentFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Electrical Equipment First Lien Senior Secured Term Loan Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 9,362,315 9,362,315
Amortized cost [1] $ 9,198,496 $ 9,198,337
Fair value [2] $ 1,535,419 $ 5,729,737
Percentage of net assets 0.60% 2.30%
Investment, Identifier [Axis]: Electrical Equipment Senior Unsecured Notes Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:ElectricalEquipmentSeniorUnsecuredNotesLoanMember, star:ElectricalEquipmentSeniorUnsecuredNotesMember star:ElectricalEquipmentSeniorUnsecuredNotesLoanMember
Investment, Identifier [Axis]: Electrical Equipment Senior Unsecured Notes Non-Affiliate Investments    
Investments [Abstract]    
Investment, Significant Unobservable Input [true false] true  
Principal, Shares, Units 2,155,820 2,155,820
Amortized cost [1] $ 2,033,098 $ 2,033,098
Fair value [2] $ 0 $ 0
Percentage of net assets 0.00% 0.00%
Investment, Identifier [Axis]: Electrical Equipment Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:ElectricalEquipmentWarrantsAndOtherEquitySecuritiesMember star:ElectricalEquipmentWarrantsAndOtherEquitySecuritiesMember
Investment, Identifier [Axis]: Electrical Equipment Warrants and Other Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 190,019 190,019
Amortized cost [1] $ 0 $ 0
Fair value [2] $ 0 $ 0
Percentage of net assets 0.00% 0.00%
Investment, Identifier [Axis]: Entertainment First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:EntertainmentFirstLienSeniorSecuredTermLoanMember star:EntertainmentFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Entertainment First Lien Senior Secured Term Loan Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 16,760,335 17,318,850
Amortized cost [1] $ 16,647,048 $ 17,146,839
Fair value [2] $ 11,938,062 $ 12,560,124
Percentage of net assets 4.90% 5.30%
Investment, Identifier [Axis]: Entertainment Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:EntertainmentPreferredEquitySecuritiesMember star:EntertainmentPreferredEquitySecuritiesMember
Investment, Identifier [Axis]: Entertainment Preferred Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 2,009 1,183
Amortized cost [1] $ 1,665,571 $ 1,134,428
Fair value [2] $ 2,323,243 $ 1,385,764
Percentage of net assets 1.00% 0.60%
Investment, Identifier [Axis]: Entertainment Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:EntertainmentWarrantsAndOtherEquitySecuritiesMember star:EntertainmentWarrantsAndOtherEquitySecuritiesMember
Investment, Identifier [Axis]: Entertainment Warrants and Other Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 2 2
Amortized cost [1] $ 43,478 $ 43,478
Fair value [2] $ 413,669 $ 371,747
Percentage of net assets 0.20% 0.20%
Investment, Identifier [Axis]: Food Products First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:FoodProductsFirstLienSeniorSecuredTermLoanMember star:FoodProductsFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Food Products First Lien Senior Secured Term Loan Controlled Investments    
Investments [Abstract]    
Principal, Shares, Units 6,893,394 6,930,002
Amortized cost [1] $ 6,831,747 $ 6,832,506
Fair value [2] $ 6,962,329 $ 6,999,302
Percentage of net assets 2.80% 2.90%
Investment, Identifier [Axis]: Food Products Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:FoodProductsPreferredEquitySecuritiesMember star:FoodProductsPreferredEquitySecuritiesMember
Investment, Identifier [Axis]: Food Products Preferred Equity Securities Controlled Investments    
Investments [Abstract]    
Principal, Shares, Units 2,829,787 2,829,787
Amortized cost [1] $ 2,829,787 $ 2,829,787
Fair value [2] $ 4,881,383 $ 4,532,872
Percentage of net assets 2.00% 1.90%
Investment, Identifier [Axis]: Food Products Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:FoodProductsWarrantsAndOtherEquitySecuritiesMember star:FoodProductsWarrantsAndOtherEquitySecuritiesMember
Investment, Identifier [Axis]: Food Products Warrants and Other Equity Securities Controlled Investments    
Investments [Abstract]    
Principal, Shares, Units 127,215 127,215
Amortized cost [1] $ 0 $ 0
Fair value [2] $ 26,715 $ 76,329
Percentage of net assets 0.00% 0.00%
Investment, Identifier [Axis]: Fremont-Wright, LLC First Lien Senior Secured Term Loan 1M SOFR Spread 9.10% Interest Rate 13.42% Due 6/30/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[11] star:FremontWrightLLCFirstLienSeniorSecuredTermLoan1MSOFRSpread910InterestRate1342Due6302026Member  
Investment, Significant Unobservable Input [true false] [11] true  
Basis spread on variable rate term [10],[11] 1 month  
Basis spread on variable rate [10],[11] 9.10%  
Interest Rate [11] 13.42%  
Acquisition date [11] Dec. 02, 2020  
Maturity date [11] Jun. 30, 2026  
Principal, Shares, Units [11] 4,098,795  
Amortized cost [1],[11] $ 4,098,795  
Fair value [2],[11] $ 4,098,795  
Percentage of net assets [11] 1.70%  
Investment, Identifier [Axis]: Fremont-Wright, LLC First Lien Senior Secured Term Loan SOFR Spread 9.10% Interest Rate 13.43% Due 6/30/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[12]   star:FremontWrightLLCFirstLienSeniorSecuredTermLoanSOFRSpread910InterestRate1343Due6302026Member
Investment, Significant Unobservable Input [true false] [12]   true
Basis spread on variable rate [10],[12]   9.10%
Interest Rate [12]   13.43%
Acquisition date [12]   Dec. 02, 2020
Maturity date [12]   Jun. 30, 2026
Principal, Shares, Units [12]   4,155,709
Amortized cost [1],[12]   $ 4,155,654
Fair value [2],[12]   $ 4,155,709
Percentage of net assets [12]   1.70%
Investment, Identifier [Axis]: Fremont-Wright, LLC Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:FremontWrightLLCWarrantsAndOtherEquitySecuritiesMember star:FremontWrightLLCWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] true true
Basis spread on variable rate [10] 0.00% 0.00%
Interest Rate 0.00% 0.00%
Acquisition date Dec. 02, 2020 Dec. 02, 2020
Principal, Shares, Units 2 2
Amortized cost [1] $ 0 $ 0
Fair value [2] $ 1,259,816 $ 972,068
Percentage of net assets 0.50% 0.40%
Investment, Identifier [Axis]: Fund Investments    
Investments [Abstract]    
Investment, Type [Extensible Enumeration] [3],[4],[5],[6],[8],[9] Fund Investments [Member] Fund Investments [Member]
Investment, Identifier [Axis]: Fund Investments Non-Affiliate Investments    
Investments [Abstract]    
Amortized cost [1] $ 2,529,567 $ 2,898,305
Fair value [2] $ 2,165,570 $ 2,688,619
Percentage of net assets 0.90% 1.10%
Investment, Identifier [Axis]: Gridsource Holdings, LLC Preferred Equity Securities Interest Rate 8.00% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14] star:GridsourceHoldingsLLCPreferredEquitySecuritiesInterestRate800PIKMember [21] star:GridsourceHoldingsLLCPreferredEquitySecuritiesInterestRate800PIKMember
Investment, Significant Unobservable Input [true false] [14] true [21] true
Basis spread on variable rate [10],[14] 0.00% [21] 0.00%
PIK Interest Rate [14] 8.00% [21] 8.00%
Acquisition date [14] Mar. 09, 2023 [21] Mar. 09, 2023
Principal, Shares, Units [14] 819,088 [21] 3,959,977
Amortized cost [1],[14] $ 799,597 [21] $ 799,597
Fair value [2],[14] $ 1,475,342 [21] $ 907,386
Percentage of net assets [14] 0.60% [21] 0.40%
Investment, Identifier [Axis]: Gridsource Incorporated, LLC First Lien Senior Secured Term Loan SOFR Spread 6.50% Interest Rate 10.84% Due 12/16/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17] star:GridsourceIncorporatedLLCFirstLienSeniorSecuredTermLoanSOFRSpread650InterestRate1084Due392028Member  
Investment, Significant Unobservable Input [true false] [17] true  
Basis spread on variable rate [10],[17] 6.50%  
Interest Rate [17] 10.84%  
Acquisition date [17] Dec. 16, 2022  
Maturity date [17] Dec. 16, 2027  
Principal, Shares, Units [17] 14,107,023  
Amortized cost [1],[17] $ 13,840,772  
Fair value [2],[17] $ 14,107,023  
Percentage of net assets [17] 5.80%  
Investment, Identifier [Axis]: Gridsource Incorporated, LLC First Lien Senior Secured Term Loan SOFR Spread 8.50% Plus 2.00% Interest Rate 12.81% Cash Plus 2.00% Due 3/9/2028    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9]   star:GridsourceIncorporatedLLCFirstLienSeniorSecuredTermLoanSOFRSpread850Plus200InterestRate1281CashPlus200Due392028Member
Investment, Significant Unobservable Input [true false] [7]   true
Basis spread on variable rate [7],[10]   8.50%
Paid in Kind Basis Spread Variable Rate [7],[10]   2.00%
Interest Rate [7]   12.81%
PIK Interest Rate [7]   2.00%
Acquisition date [7]   Dec. 16, 2022
Maturity date [7]   Mar. 09, 2028
Principal, Shares, Units [7]   14,104,180
Amortized cost [1],[7]   $ 13,779,867
Fair value [2],[7]   $ 13,894,028
Percentage of net assets [7]   5.80%
Investment, Identifier [Axis]: HH Masterwork Intermediate, Inc. Senior Unsecured Notes Loan Interest rate 17.00% PIK Due 5/17/2028    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[24] star:HHMasterworkIntermediateIncSeniorUnsecuredNotesLoanInterestRate1700PIKDue5172028Member [30] star:HHMasterworkIntermediateIncSeniorUnsecuredNotesLoanInterestRate1700PIKDue5172028Member [26]
Investment, Significant Unobservable Input [true false] [24] true [30] true [26]
Basis spread on variable rate [10],[24] 0.00% [30] 0.00% [26]
PIK Interest Rate [24] 17.00% [30] 17.00% [26]
Acquisition date [24] Nov. 17, 2022 [30] Nov. 17, 2022 [26]
Maturity date [24] May 17, 2028 [30] May 17, 2028 [26]
Principal, Shares, Units [24] 2,155,820 [30] 2,155,820 [26]
Amortized cost [1],[24] $ 2,033,098 [30] $ 2,033,098 [26]
Fair value [2],[24] $ 0 [30] $ 0 [26]
Percentage of net assets [24] 0.00% [30] 0.00% [26]
Investment, Identifier [Axis]: HH Masterwork Intermediate, Inc. Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[24]   star:HHMasterworkIntermediateIncWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] [24]   true
Basis spread on variable rate [10],[24]   0.00%
Interest Rate [24]   0.00%
Acquisition date [24]   Nov. 17, 2022
Principal, Shares, Units [24]   190,019
Amortized cost [1],[24]   $ 0
Fair value [2],[24]   $ 0
Percentage of net assets [24]   0.00%
Investment, Identifier [Axis]: HH Masterwork Intermediate, Inc. Warrants and Other Equity Securities Due 11/17/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[24] star:HHMasterworkIntermediateIncWarrantsAndOtherEquitySecuritiesDue11172027Member  
Investment, Significant Unobservable Input [true false] [24] true  
Basis spread on variable rate [10],[24] 0.00%  
Interest Rate [24] 0.00%  
Acquisition date [24] Nov. 17, 2022  
Principal, Shares, Units [24] 190,019  
Amortized cost [1],[24] $ 0  
Fair value [2],[24] $ 0  
Percentage of net assets [24] 0.00%  
Investment, Identifier [Axis]: Healthcare Providers & Services First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:HealthcareProvidersServicesFirstLienSeniorSecuredTermLoanMember star:HealthcareProvidersServicesFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Healthcare Providers & Services First Lien Senior Secured Term Loan Controlled Investments    
Investments [Abstract]    
Principal, Shares, Units 797,086 797,086
Amortized cost [1] $ 784,400 $ 782,429
Fair value [2] $ 723,156 $ 701,117
Percentage of net assets 0.30% 0.30%
Investment, Identifier [Axis]: Healthcare Providers & Services First Lien Senior Secured Term Loan Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 36,667,404 41,144,175
Amortized cost [1] $ 35,826,875 $ 40,138,814
Fair value [2] $ 34,076,667 $ 38,083,197
Percentage of net assets 13.90% 15.80%
Investment, Identifier [Axis]: Healthcare Providers & Services Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:HealthcareProvidersServicesPreferredEquitySecuritiesMember star:HealthcareProvidersServicesPreferredEquitySecuritiesMember
Investment, Identifier [Axis]: Healthcare Providers & Services Preferred Equity Securities Controlled Investments    
Investments [Abstract]    
Principal, Shares, Units 627,085 627,085
Amortized cost [1] $ 620,326 $ 620,326
Fair value [2] $ 263,386 $ 263,386
Percentage of net assets 0.10% 0.10%
Investment, Identifier [Axis]: Healthcare Providers & Services Preferred Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 2,749 1,953
Amortized cost [1] $ 2,573,151 $ 2,029,287
Fair value [2] $ 3,017,341 $ 1,918,048
Percentage of net assets 1.20% 0.80%
Investment, Identifier [Axis]: Healthcare Providers & Services Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:HealthcareProvidersServicesWarrantsAndOtherEquitySecuritiesMember star:HealthcareProvidersServicesWarrantsAndOtherEquitySecuritiesMember
Investment, Identifier [Axis]: Healthcare Providers & Services Warrants and Other Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 429,574 1,185
Amortized cost [1] $ 419,877 $ 419,877
Fair value [2] $ 208,570 $ 196,856
Percentage of net assets 0.10% 0.10%
Investment, Identifier [Axis]: Hometown Holdings JV, LLC (dba BWG Strategy) Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13],[14]   star:HometownHoldingsJVLLCDbaBWGStrategyPreferredEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] [13],[14]   true
Basis spread on variable rate [10],[13],[14]   0.00%
Interest Rate [13],[14]   0.00%
Acquisition date [13],[14]   Dec. 24, 2020
Principal, Shares, Units [13],[14]   666,667
Amortized cost [1],[13],[14]   $ 659,761
Fair value [2],[13],[14]   $ 877,600
Percentage of net assets [13],[14]   0.40%
Investment, Identifier [Axis]: Hometown Holdings JV, LLC (dba BWG Strategy) Preferred Equity Securities Interest Rate 8.00% Preferred Return    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13],[14],[21] star:HometownHoldingsJVLLCDbaBWGStrategyPreferredEquitySecuritiesInterestRate800PreferredReturnMember  
Investment, Significant Unobservable Input [true false] [13],[14],[21] true  
Basis spread on variable rate [10],[13],[14],[21] 0.00%  
Preferred return [13],[14],[21] 8.00%  
Acquisition date [13],[14],[21] Dec. 24, 2020  
Principal, Shares, Units [13],[14],[21] 666,667  
Amortized cost [1],[13],[14],[21] $ 659,761  
Fair value [2],[13],[14],[21] $ 859,100  
Percentage of net assets [13],[14],[21] 0.40%  
Investment, Identifier [Axis]: Hotels Restaurants Leisure First Lien Senior Secured Term Loan Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 6,535,714 4,928,571
Amortized cost [1] $ 6,448,978 $ 4,819,417
Fair value [2] $ 6,553,361 $ 4,876,329
Percentage of net assets 2.70% 2.00%
Investment, Identifier [Axis]: Hotels, Restaurants & Leisure First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:HotelsRestaurantsLeisureFirstLienSeniorSecuredTermLoanMember star:HotelsRestaurantsLeisureFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Hotels, Restaurants & Leisure Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:HotelsRestaurantsLeisureWarrantsAndOtherEquitySecuritiesMember star:HotelsRestaurantsLeisureWarrantsAndOtherEquitySecuritiesMember
Investment, Identifier [Axis]: Hotels, Restaurants & Leisure Warrants and Other Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 21,210 21,210
Amortized cost [1] $ 71,599 $ 71,599
Fair value [2] $ 35,463 $ 34,623
Percentage of net assets 0.00% 0.00%
Investment, Identifier [Axis]: Household Durables First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:HouseholdDurablesFirstLienSeniorSecuredTermLoanMember star:HouseholdDurablesFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Household Durables First Lien Senior Secured Term Loan Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 4,597,307 4,597,307
Amortized cost [1] $ 4,534,241 $ 4,534,757
Fair value [2] $ 3,804,272 $ 3,057,209
Percentage of net assets 1.60% 1.30%
Investment, Identifier [Axis]: Household Durables Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:HouseholdDurablesWarrantsAndOtherEquitySecuritiesMember  
Investment, Identifier [Axis]: Household Durables Warrants and Other Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 1,917,813  
Amortized cost [1] $ 0  
Fair value [2] $ 0  
Percentage of net assets 0.00%  
Investment, Identifier [Axis]: Household Products First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:HouseholdProductsFirstLienSeniorSecuredTermLoanMember star:HouseholdProductsFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Household Products First Lien Senior Secured Term Loan Non-Affiliate Investments    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[22]   star:CoopHomeGoodsLLCDbaCoopHomeGoodsFirstLienSeniorSecuredTermLoanSOFRSpread826InterestRate1257Due6182026Member
Principal, Shares, Units 3,551,427 4,373,103
Amortized cost [1] $ 3,535,787 $ 4,339,971
Fair value [2] $ 3,551,427 $ 4,373,103
Percentage of net assets 1.40% 1.80%
Investment, Identifier [Axis]: Household Products Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:HouseholdProductsWarrantsAndOtherEquitySecuritiesMember star:HouseholdProductsWarrantsAndOtherEquitySecuritiesMember
Investment, Identifier [Axis]: Household Products Warrants and Other Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 535,714 535,714
Amortized cost [1] $ 535,714 $ 535,714
Fair value [2] $ 1,012,857 $ 617,857
Percentage of net assets 0.40% 0.30%
Investment, Identifier [Axis]: IPA Intermediate Co., LLC (dba Integrated Pain Associates)First Lien Senior Secured Term Loan SOFR Spread 8.01% Interest Rate 12.32% Due 1/9/2028    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9]   star:IPAIntermediateCoLLCDbaIntegratedPainAssociatesFirstLienSeniorSecuredTermLoanSOFRSpread801InterestRate1232Due192028Member
Investment, Significant Unobservable Input [true false] [7]   true
Basis spread on variable rate [7],[10]   8.01%
Interest Rate [7]   12.32%
Acquisition date [7]   Jan. 09, 2023
Maturity date [7]   Jan. 09, 2028
Principal, Shares, Units [7]   11,096,086
Amortized cost [1],[7]   $ 10,864,449
Fair value [2],[7]   $ 11,096,086
Percentage of net assets [7]   4.60%
Investment, Identifier [Axis]: IPA Intermediate Co., LLC (dba Integrated Pain Associates)First Lien Senior Secured Term Loan SOFR Spread 8.01% Interest Rate 12.35% Due 1/9/2028    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17] star:IPAIntermediateCoLLCDbaIntegratedPainAssociatesFirstLienSeniorSecuredTermLoanSOFRSpread801InterestRate1235Due192028Member  
Investment, Significant Unobservable Input [true false] [17] true  
Basis spread on variable rate [10],[17] 8.01%  
Interest Rate [17] 12.35%  
Acquisition date [17] Jan. 09, 2023  
Maturity date [17] Jan. 09, 2028  
Principal, Shares, Units [17] 12,425,512  
Amortized cost [1],[17] $ 12,232,660  
Fair value [2],[17] $ 12,425,512  
Percentage of net assets [17] 5.10%  
Investment, Identifier [Axis]: IPA Investors, LP (dba Integrated Pain Associates) Preferred Equity Securities Interest Rate 8.00% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14] star:IPAInvestorsLPDbaIntegratedPainAssociatesPreferredEquitySecuritiesInterestRate800PIKMember [21] star:IPAInvestorsLPPreferredEquitySecuritiesInterestRate800PIKMember
Investment, Significant Unobservable Input [true false] [14] true [21] true
Basis spread on variable rate [10],[14] 0.00% [21] 0.00%
PIK Interest Rate [14] 8.00% [21] 8.00%
Acquisition date [14] Jan. 09, 2023 [21] Jan. 09, 2023
Principal, Shares, Units [14] 2,749 [21] 1,953
Amortized cost [1],[14] $ 2,573,151 [21] $ 2,029,287
Fair value [2],[14] $ 3,017,341 [21] $ 1,918,048
Percentage of net assets [14] 1.20% [21] 0.80%
Investment, Identifier [Axis]: IT Services First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:ITServicesFirstLienSeniorSecuredTermLoanMember star:ITServicesFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: IT Services First Lien Senior Secured Term Loan Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 12,173,487 12,558,929
Amortized cost [1] $ 12,099,611 $ 12,433,640
Fair value [2] $ 12,173,487 $ 12,558,929
Percentage of net assets 5.00% 5.20%
Investment, Identifier [Axis]: Investments First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Type [Extensible Enumeration] [3],[4],[5],[6],[8],[9] Investments First Lien Senior Secured Term Loan [Member] Investments First Lien Senior Secured Term Loan [Member]
Investment, Identifier [Axis]: Investments First Lien Senior Secured Term Loan Controlled Investments    
Investments [Abstract]    
Amortized cost [1] $ 22,994,811 $ 23,642,127
Fair value [2] $ 22,902,220 $ 23,544,908
Percentage of net assets 9.20% 9.70%
Investment, Identifier [Axis]: Investments First Lien Senior Secured Term Loan Non-Affiliate Investments    
Investments [Abstract]    
Amortized cost [1] $ 289,926,592 $ 292,946,300
Fair value [2] $ 266,904,719 $ 280,575,134
Percentage of net assets 109.00% 116.40%
Investment, Identifier [Axis]: Investments Second Lien Senior Secured Loan    
Investments [Abstract]    
Investment, Type [Extensible Enumeration] [3],[4],[5],[6],[8],[9]   star:InvestmentsSecondLienSeniorSecuredLoanMember
Investment, Identifier [Axis]: Investments Second Lien Senior Secured Loan Non-Affiliate Investments    
Investments [Abstract]    
Amortized cost [1]   $ 6,148,061
Fair value [2]   $ 6,034,048
Percentage of net assets   2.50%
Investment, Identifier [Axis]: JCFV Holdings, LLC Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14]   star:JCFVHoldingsLLCPreferredEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] [14]   true
Basis spread on variable rate [10],[14]   0.00%
Interest Rate [14]   0.00%
Acquisition date [14]   Jul. 01, 2024
Principal, Shares, Units [14]   415,916
Amortized cost [1],[14]   $ 1,538,462
Fair value [2],[14]   $ 1,538,462
Percentage of net assets [14]   0.60%
Investment, Identifier [Axis]: JCFV Holdings, LLC Preferred Equity Securities Interest Rate 8.00% Preferred Return    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14],[21] star:JCFVHoldingsLLCPreferredEquitySecurities800PreferredReturnMember  
Investment, Significant Unobservable Input [true false] [14],[21] true  
Basis spread on variable rate [10],[14],[21] 0.00%  
Preferred return [14],[21] 8.00%  
Acquisition date [14],[21] Jul. 01, 2024  
Principal, Shares, Units [14],[21] 1,538,462  
Amortized cost [1],[14],[21] $ 1,538,462  
Fair value [2],[14],[21] $ 1,130,769  
Percentage of net assets [14],[21] 0.50%  
Investment, Identifier [Axis]: Japonesque, LLC First Lien Senior Secured Term Loan SOFR Spread 8.18% Interest Rate 12.49% Due 11/23/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[22]   star:JaponesqueLLCFirstLienSeniorSecuredTermLoanSOFRSpread818InterestRate1249Due11232026Member
Investment, Significant Unobservable Input [true false] [7],[22]   true
Basis spread on variable rate [7],[10],[22]   8.18%
Interest Rate [7],[22]   12.49%
Acquisition date [7],[22]   Nov. 23, 2021
Maturity date [7],[22]   Nov. 23, 2026
Principal, Shares, Units [7],[22]   4,404,301
Amortized cost [1],[7],[22]   $ 4,360,968
Fair value [2],[7],[22]   $ 4,404,301
Percentage of net assets [7],[22]   1.80%
Investment, Identifier [Axis]: Japonesque, LLC First Lien Senior Secured Term Loan SOFR Spread 9.06% Interest Rate 13.92% Cash Plus 0.70% PIK Due 11/23/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17],[22] star:JaponesqueLLCFirstLienSeniorSecuredTermLoanSOFRSpread906InterestRate1392CashPlus070PIKDue11232026Member  
Investment, Significant Unobservable Input [true false] [17],[22] true  
Basis spread on variable rate [10],[17],[22] 9.60%  
Interest Rate [17],[22] 13.90%  
PIK Interest Rate [17],[22] 0.70%  
Acquisition date [17],[22] Nov. 23, 2021  
Maturity date [17],[22] Nov. 23, 2026  
Principal, Shares, Units [17],[22] 4,349,113  
Amortized cost [1],[17],[22] $ 4,312,101  
Fair value [2],[17],[22] $ 4,311,712  
Percentage of net assets [17],[22] 1.80%  
Investment, Identifier [Axis]: Jefferson Consulting Group, LLC First Lien Senior Secured Term Loan SOFR Spread 5.75% Interest Rate 10.06% Due 7/1/2029    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[22]   star:JeffersonConsultingGroupLLCFirstLienSeniorSecuredTermLoanSOFRSpread575InterestRate1006Due712029Member
Investment, Significant Unobservable Input [true false] [7],[22]   true
Basis spread on variable rate [7],[10],[22]   5.75%
Interest Rate [7],[22]   10.06%
Acquisition date [7],[22]   Jul. 01, 2024
Maturity date [7],[22]   Jul. 01, 2029
Principal, Shares, Units [7],[22]   8,461,538
Amortized cost [1],[7],[22]   $ 8,303,804
Fair value [2],[7],[22]   $ 8,303,804
Percentage of net assets [7],[22]   3.40%
Investment, Identifier [Axis]: Jefferson Consulting Group, LLC First Lien Senior Secured Term Loan SOFR Spread 7.94% Interest Rate 13.90% Cash Plus 0.70% PIK Due 7/1/2029    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17],[22] star:JeffersonConsultingGroupLLCFirstLienSeniorSecuredTermLoanSOFRSpread794InterestRate1390CashPlus070PIKDue712029Member  
Investment, Significant Unobservable Input [true false] [17],[22] true  
Basis spread on variable rate [10],[17],[22] 7.94%  
Interest Rate [17],[22] 13.90%  
PIK Interest Rate 0.70%  
Acquisition date [17],[22] Jul. 01, 2024  
Maturity date [17],[22] Jul. 01, 2029  
Principal, Shares, Units [17],[22] 8,547,521  
Amortized cost [1],[17],[22] $ 8,409,302  
Fair value [2],[17],[22] $ 8,032,961  
Percentage of net assets [17],[22] 3.30%  
Investment, Identifier [Axis]: Kassel Mechanical LLC First Lien Senior Secured Term Loan 1M SOFR Spread 7.18% Cash Plus 0.83% PIK Interest Rate 11.50% Cash Plus 0.83% PIK Due 10/1/2029    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[11] star:KasselMechanicalLLCFirstLienSeniorSecuredTermLoan1MSOFRSpread718CashPlus083PIKInterestRate1150CashPlus083PIKDue1012029Member  
Investment, Significant Unobservable Input [true false] [11] true  
Basis spread on variable rate term [10],[11] 1 month  
Basis spread on variable rate [10],[11] 7.18%  
Paid in Kind Basis Spread Variable Rate [10],[11] 0.83%  
Interest Rate [11] 11.50%  
PIK Interest Rate [11] 0.83%  
Acquisition date [11] Mar. 17, 2025  
Maturity date [11] Oct. 01, 2029  
Principal, Shares, Units [11] 12,452,126  
Amortized cost [1],[11] $ 12,272,407  
Fair value [2],[11] $ 12,272,407  
Percentage of net assets [11] 5.00%  
Investment, Identifier [Axis]: Kelso Industries First Lien Senior Secured Term Loan 3M SOFR Spread 5.75% Interest Rate 10.09% Due 12/30/2029    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17] star:KelsoIndustriesFirstLienSeniorSecuredTermLoan3MSOFRSpread575InterestRate1009Due12302029Member  
Investment, Significant Unobservable Input [true false] [17] true  
Basis spread on variable rate term [10],[17] 3 months  
Basis spread on variable rate [10],[17] 5.75%  
Interest Rate [17] 10.09%  
Acquisition date [17] Dec. 31, 2024  
Maturity date [17] Dec. 30, 2029  
Principal, Shares, Units [17] 9,123,403  
Amortized cost [1],[17] $ 8,962,600  
Fair value [2],[17] $ 9,123,403  
Percentage of net assets [17] 3.70%  
Investment, Identifier [Axis]: Kelso Industries First Lien Senior Secured Term Loan 3M SOFR Spread 5.75% Interest Rate 10.09% Due 12/30/2029 One    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[16],[17] star:KelsoIndustriesFirstLienSeniorSecuredTermLoan3MSOFRSpread575InterestRate1009Due12302029OneMember  
Investment, Significant Unobservable Input [true false] [16],[17] true  
Basis spread on variable rate term [10],[16],[17] 3 months  
Basis spread on variable rate [10],[16],[17] 5.75%  
Interest Rate [16],[17] 10.09%  
Acquisition date [16],[17] Mar. 12, 2025  
Maturity date [16],[17] Dec. 30, 2029  
Principal, Shares, Units [16],[17] 1,168,204  
Amortized cost [1],[16],[17] $ 1,821,127  
Fair value [2],[16],[17] $ 1,821,127  
Percentage of net assets [16],[17] 0.70%  
Investment, Identifier [Axis]: Kelso Industries First Lien Senior Secured Term Loan SOFR Spread 5.75% Interest Rate 10.06% Due 12/30/2029    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[18]   star:KelsoIndustriesFirstLienSeniorSecuredTermLoanSOFRSpread575InterestRate1006Due12302029Member
Investment, Significant Unobservable Input [true false] [7],[18]   true
Basis spread on variable rate [7],[10],[18]   5.75%
Interest Rate [7],[18]   10.06%
Acquisition date [7],[18]   Dec. 31, 2024
Maturity date [7],[18]   Dec. 30, 2029
Principal, Shares, Units [7],[18]   13,000,000
Amortized cost [1],[7],[18]   $ 12,740,177
Fair value [2],[7],[18]   $ 12,740,177
Percentage of net assets [7],[18]   5.30%
Investment, Identifier [Axis]: Klein Hersh, LLC First Lien Senior Secured Term Loan Interest Rate 4.06% Cash Due 4/27/2028    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17],[22] star:KleinHershLLCFirstLienSeniorSecuredTermLoanInterestRate406CashDue4272028Member  
Investment, Significant Unobservable Input [true false] [17],[22] true  
Basis spread on variable rate [10],[17],[22] 0.00%  
Interest Rate [17],[22] 4.06%  
Acquisition date [17],[22] Apr. 27, 2022  
Maturity date [17],[22] Apr. 27, 2028  
Principal, Shares, Units [17],[22] 17,388,473  
Amortized cost [1],[17],[22] $ 16,852,193  
Fair value [2],[17],[22] $ 14,797,735  
Percentage of net assets [17],[22] 6.00%  
Investment, Identifier [Axis]: Klein Hersh, LLC First Lien Senior Secured Term Loan SOFR Spread 7.76% Interest Rate 4.49% Due 4/27/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[22]   star:KleinHershLLCFirstLienSeniorSecuredTermLoanSOFRSpread776InterestRate449Due4272027Member
Investment, Significant Unobservable Input [true false] [7],[22]   true
Basis spread on variable rate [7],[10],[22]   7.76%
Interest Rate [7],[22]   4.49%
Acquisition date [7],[22]   Apr. 27, 2022
Maturity date [7],[22]   Apr. 27, 2027
Principal, Shares, Units [7],[22]   17,468,922
Amortized cost [1],[7],[22]   $ 16,895,893
Fair value [2],[7],[22]   $ 14,530,649
Percentage of net assets [7],[22]   6.00%
Investment, Identifier [Axis]: Klein Hersh, LLC Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:KleinHershLLCWarrantsAndOtherEquitySecuritiesMember star:KleinHershLLCWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] true true
Basis spread on variable rate [10] 0.00% 0.00%
Interest Rate 0.00% 0.00%
Acquisition date Apr. 27, 2022 Apr. 27, 2022
Principal, Shares, Units 1,003 1,003
Amortized cost [1] $ 0 $ 0
Fair value [2] $ 0 $ 0
Percentage of net assets 0.00% 0.00%
Investment, Identifier [Axis]: LRI Holdco LLC Dba Linden Labs Warrants And Other Equity Securities One    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14],[21] star:LRIHoldcoLLCDbaLindenLabsWarrantsAndOtherEquitySecuritiesOneMember  
Investment, Significant Unobservable Input [true false] [14],[21] true  
Basis spread on variable rate [10],[14],[21] 0.00%  
Interest Rate [14],[21] 0.00%  
Acquisition date [14],[21] Dec. 31, 2020  
Principal, Shares, Units [14],[21] 1  
Amortized cost [1],[14],[21] $ 43,478  
Fair value [2],[14],[21] $ 228,576  
Percentage of net assets [14],[21] 0.10%  
Investment, Identifier [Axis]: LRI Holdco, LLC (dba Linden Labs) Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14] star:LRIHoldcoLLCDbaLindenLabsWarrantsAndOtherEquitySecuritiesMember [21] star:LRIHoldcoLLCDbaLindenLabsWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] [14] true [21] true
Basis spread on variable rate [10],[14] 0.00% [21] 0.00%
Interest Rate [14] 0.00% [21] 0.00%
Acquisition date [14] Dec. 31, 2020 [21] Dec. 31, 2020
Principal, Shares, Units [14] 1 [21] 2
Amortized cost [1],[14] $ 0 [21] $ 43,478
Fair value [2],[14] $ 185,093 [21] $ 371,747
Percentage of net assets [14] 0.10% [21] 0.20%
Investment, Identifier [Axis]: Lasalle Staffing, LLC First Lien Senior Secured Term Loan SOFR Spread 6.86% Interest Rate 11.19% Due 2/15/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[12],[19],[22]   star:LasalleStaffingLLCFirstLienSeniorSecuredTermLoanSOFRSpread686InterestRate1119Due2152027Member
Investment, Significant Unobservable Input [true false] [12],[19],[22]   true
Basis spread on variable rate [10],[12],[19],[22]   6.86%
Interest Rate [12],[19],[22]   11.19%
Acquisition date [12],[19],[22]   Feb. 15, 2022
Maturity date [12],[19],[22]   Feb. 15, 2027
Principal, Shares, Units [12],[19],[22]   7,250,785
Amortized cost [1],[12],[19],[22]   $ 7,154,058
Fair value [2],[12],[19],[22]   $ 7,287,039
Percentage of net assets [12],[19],[22]   3.00%
Investment, Identifier [Axis]: Lasalle Staffing, LLC First Lien Senior Secured Term Loan SOFR Spread 8.19% Interest Rate 12.50% Due 2/15/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[20],[22] star:LasalleStaffingLLCFirstLienSeniorSecuredTermLoanSOFRSpread819InterestRate1250Due2152027Member  
Investment, Significant Unobservable Input [true false] [6],[20],[22] true  
Basis spread on variable rate [6],[10],[20],[22] 8.19%  
Interest Rate [6],[20],[22] 12.50%  
Acquisition date [6],[20],[22] Feb. 15, 2022  
Maturity date [6],[20],[22] Feb. 15, 2027  
Principal, Shares, Units [6],[20],[22] 7,200,785  
Amortized cost [1],[6],[20],[22] $ 7,118,852  
Fair value [2],[6],[20],[22] $ 7,200,785  
Percentage of net assets [6],[20],[22] 2.90%  
Investment, Identifier [Axis]: Leisure Products First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:LeisureProductsFirstLienSeniorSecuredTermLoanMember star:LeisureProductsFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Leisure Products First Lien Senior Secured Term Loan Controlled Investments    
Investments [Abstract]    
Principal, Shares, Units 1,668,861 1,570,577
Amortized cost [1] $ 1,661,056 $ 1,560,737
Fair value [2] $ 1,457,583 $ 1,448,543
Percentage of net assets 0.60% 0.60%
Investment, Identifier [Axis]: Leisure Products Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:LeisureProductsPreferredEquitySecuritiesMember star:LeisureProductsPreferredEquitySecuritiesMember
Investment, Identifier [Axis]: Leisure Products Preferred Equity Securities Controlled Investments    
Investments [Abstract]    
Principal, Shares, Units 157 157
Amortized cost [1] $ 3,889,050 $ 3,889,050
Fair value [2] $ 2,156,705 $ 1,782,334
Percentage of net assets 0.90% 0.70%
Investment, Identifier [Axis]: Linden Research, Inc. (dba Linden Labs) First Lien Senior Secured Term Loan SOFR Spread 7.26% Plus 3.25% PIK Interest Rate 11.57% Plus 3.25 PIK Due 12/31/2025    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[22]   star:LindenResearchIncDbaLindenLabsFirstLienSeniorSecuredTermLoanSOFRSpread726Plus325PIKInterestRate1157Plus325PIKDue12312025Member
Investment, Significant Unobservable Input [true false] [7],[22]   true
Basis spread on variable rate [7],[10],[22]   7.26%
Paid in Kind Basis Spread Variable Rate [7],[10],[22]   3.25%
Interest Rate [7],[22]   11.57%
PIK Interest Rate [7],[22]   3.25%
Acquisition date [7],[22]   Dec. 31, 2020
Maturity date [7],[22]   Dec. 31, 2025
Principal, Shares, Units [7],[22]   4,702,225
Amortized cost [1],[7],[22]   $ 4,630,079
Fair value [2],[7],[22]   $ 4,702,225
Percentage of net assets [7],[22]   2.00%
Investment, Identifier [Axis]: Linden Research, Inc. (dba Linden Labs) First Lien Senior Secured Term Loan SOFR Spread 7.73% Cash Plus 3.54% PIK Interest Rate 12.05% Cash Plus 3.54 PIK Due 9/30/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17],[22] star:LindenResearchIncDbaLindenLabsFirstLienSeniorSecuredTermLoanSOFRSpread773CashPlus354PIKInterestRate1205CashPlus354PIKDue9302026Member  
Investment, Significant Unobservable Input [true false] [17],[22] true  
Basis spread on variable rate [10],[17],[22] 7.73%  
Paid in Kind Basis Spread Variable Rate [10],[17],[22] 3.54%  
Interest Rate [17],[22] 12.05%  
PIK Interest Rate [17],[22] 3.54%  
Acquisition date [17],[22] Dec. 31, 2020  
Maturity date [17],[22] Sep. 30, 2026  
Principal, Shares, Units [17],[22] 4,209,006  
Amortized cost [1],[17],[22] $ 4,176,694  
Fair value [2],[17],[22] $ 4,209,005  
Percentage of net assets [17],[22] 1.70%  
Investment, Identifier [Axis]: MPUSA, LLC (dba Mission) First Lien Senior Secured Term Loan SOFR Spread 8.26% Cash Plus 3.00% PIK Interest Rate 12.57% Cash Plus 3.00% PIK Due 12/9/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[19]   star:MPUSALLCDbaMissionFirstLienSeniorSecuredTermLoanSOFRSpread826CashPlus300PIKInterestRate1257CashPlus300PIKDue1292026Member
Investment, Significant Unobservable Input [true false] [7],[19]   true
Basis spread on variable rate [7],[10],[19]   8.26%
Paid in Kind Basis Spread Variable Rate [7],[10],[19]   3.00%
Interest Rate [7],[19]   12.57%
PIK Interest Rate [7],[19]   3.00%
Acquisition date [7],[19]   Dec. 09, 2021
Maturity date [7],[19]   Dec. 09, 2026
Principal, Shares, Units [7],[19]   1,570,577
Amortized cost [1],[7],[19]   $ 1,560,737
Fair value [2],[7],[19]   $ 1,448,543
Percentage of net assets [7],[19]   0.60%
Investment, Identifier [Axis]: MPUSA, LLC (dba Mission) First Lien Senior Secured Term Loan SOFR Spread 9.26% Interest Rate 13.60% PIK Due 12/9/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17],[20] star:MPUSALLCDbaMissionFirstLienSeniorSecuredTermLoanSOFRSpread926InterestRate1360PIKDue1292026Member  
Investment, Significant Unobservable Input [true false] [17],[20] true  
Basis spread on variable rate [10],[17],[20] 9.26%  
PIK Interest Rate [17],[20] 13.60%  
Acquisition date [17],[20] Dec. 09, 2021  
Maturity date [17],[20] Dec. 09, 2026  
Principal, Shares, Units [17],[20] 1,668,861  
Amortized cost [1],[17],[20] $ 1,661,056  
Fair value [2],[17],[20] $ 1,457,583  
Percentage of net assets [17],[20] 0.60%  
Investment, Identifier [Axis]: Machinery First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:MachineryFirstLienSeniorSecuredTermLoanMember star:MachineryFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Machinery First Lien Senior Secured Term Loan Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 4,453,364 4,605,541
Amortized cost [1] $ 4,411,751 $ 4,547,261
Fair value [2] $ 3,842,362 $ 3,968,595
Percentage of net assets 1.60% 1.60%
Investment, Identifier [Axis]: Machinery Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:MachineryWarrantsAndOtherEquitySecuritiesMember star:MachineryWarrantsAndOtherEquitySecuritiesMember
Investment, Identifier [Axis]: Machinery Warrants and Other Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 1,602 1,602
Amortized cost [1] $ 0 $ 0
Fair value [2] $ 208,387 $ 249,355
Percentage of net assets 0.10% 0.10%
Investment, Identifier [Axis]: Madryn Select Opportunities, LP Fund Investments    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:MadrynSelectOpportunitiesLPFundInvestmentsMember [16],[21] star:MadrynSelectOpportunitiesLPFundInvestmentsMember [18]
Investment, Significant Unobservable Input [true false] true [16],[21] true [18]
Basis spread on variable rate [10] 0.00% [16],[21] 0.00% [18]
Interest Rate 0.00% [16],[21] 0.00% [18]
Acquisition date Jan. 04, 2022 [16],[21] Jan. 04, 2022 [18]
Principal, Shares, Units 2,855,855 [16],[21] 2,855,855 [18]
Amortized cost [1] $ 2,529,567 [16],[21] $ 2,898,305 [18]
Fair value [2] $ 2,165,570 [16],[21] $ 2,688,619 [18]
Percentage of net assets 0.90% [16],[21] 1.10% [18]
Investment, Identifier [Axis]: Masterwork Electronics, Inc. First Lien Senior Secured Term Loan SOFR Spread 7.65% Interest Rate 11.96% PIK Due 11/17/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[24],[26]   star:MasterworkElectronicsIncFirstLienSeniorSecuredTermLoanSOFRSpread765InterestRate1196PIKDue11172027Member
Investment, Significant Unobservable Input [true false] [7],[24],[26]   true
Basis spread on variable rate [7],[10],[24],[26]   7.65%
Interest Rate [7],[24],[26]   11.96%
Acquisition date [7],[24],[26]   Nov. 17, 2022
Maturity date [7],[24],[26]   Nov. 17, 2027
Principal, Shares, Units [7],[24],[26]   8,840,576
Amortized cost [1],[7],[24],[26]   $ 8,676,598
Fair value [2],[7],[24],[26]   $ 5,410,433
Percentage of net assets [7],[24],[26]   2.20%
Investment, Identifier [Axis]: Masterwork Electronics, Inc. First Lien Senior Secured Term Loan SOFR Spread 7.65% Interest Rate 11.96% PIK Due 11/17/2027, One    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[24],[26],[31]   star:MasterworkElectronicsIncFirstLienSeniorSecuredTermLoanSOFRSpread765InterestRate1196PIKDue11172027OneMember
Investment, Significant Unobservable Input [true false] [7],[24],[26],[31]   true
Basis spread on variable rate [7],[10],[24],[26],[31]   7.65%
Interest Rate [7],[24],[26],[31]   11.96%
Acquisition date [7],[24],[26],[31]   Nov. 17, 2022
Maturity date [7],[24],[26],[31]   Nov. 17, 2027
Principal, Shares, Units [7],[24],[26],[31]   521,739
Amortized cost [1],[7],[24],[26],[31]   $ 521,739
Fair value [2],[7],[24],[26],[31]   $ 319,304
Percentage of net assets [7],[24],[26],[31]   0.10%
Investment, Identifier [Axis]: Masterwork Electronics, Inc. First Lien Senior Secured Term Loan SOFR Spread 7.65% Interest Rate 11.99% Due 11/17/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17],[24],[30] star:MasterworkElectronicsIncFirstLienSeniorSecuredTermLoanSOFRSpread765InterestRate1199Due11172027Member  
Investment, Significant Unobservable Input [true false] [17],[24],[30] true  
Basis spread on variable rate [10],[17],[24],[30] 7.65%  
Interest Rate [17],[24],[30] 11.99%  
Acquisition date [17],[24],[30] Nov. 17, 2022  
Maturity date [17],[24],[30] Nov. 17, 2027  
Principal, Shares, Units [17],[24],[30] 8,840,576  
Amortized cost [1],[17],[24],[30] $ 8,676,757  
Fair value [2],[17],[24],[30] $ 1,449,854  
Percentage of net assets [17],[24],[30] 0.60%  
Investment, Identifier [Axis]: Masterwork Electronics, Inc. First Lien Senior Secured Term Loan SOFR Spread 7.65% Interest Rate 11.99% Due 11/17/2027 One    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17],[24],[30],[31] star:MasterworkElectronicsIncFirstLienSeniorSecuredTermLoanSOFRSpread765InterestRate1199Due11172027OneMember  
Investment, Significant Unobservable Input [true false] [17],[24],[30],[31] true  
Basis spread on variable rate [10],[17],[24],[30],[31] 7.65%  
Interest Rate [17],[24],[30],[31] 11.99%  
Acquisition date [17],[24],[30],[31] Nov. 17, 2022  
Maturity date [17],[24],[30],[31] Nov. 17, 2027  
Principal, Shares, Units [17],[24],[30],[31] 521,739  
Amortized cost [1],[17],[24],[30],[31] $ 521,739  
Fair value [2],[17],[24],[30],[31] $ 85,565  
Percentage of net assets [17],[24],[30],[31] 0.00%  
Investment, Identifier [Axis]: MechanAir Holdings, LLC Preferred Equity Securities Interest Rate 13.50% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13],[14] star:MechanAirHoldingsLLCPreferredEquitySecuritiesInterestRate1350PIKMember [21] star:MechanAirHoldingsLLCPreferredEquitySecuritiesInterestRate1350PIKMember
Investment, Significant Unobservable Input [true false] [13],[14] true [21] true
Basis spread on variable rate [10],[13],[14] 0.00% [21] 0.00%
PIK Interest Rate [13],[14] 13.50% [21] 13.50%
Acquisition date [13],[14] Sep. 02, 2021 [21] Sep. 02, 2021
Principal, Shares, Units [13],[14] 1,704 [21] 1,704
Amortized cost [1],[13],[14] $ 1,703,499 [21] $ 1,703,499
Fair value [2],[13],[14] $ 2,833,091 [21] $ 2,193,365
Percentage of net assets [13],[14] 1.20% [21] 0.90%
Investment, Identifier [Axis]: MechanAir, LLC First Lien Senior Secured Term Loan Interest Rate 18.00% PIK Due 9/2/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13] star:MechanAirLLCFirstLienSeniorSecuredTermLoanInterestRate1800PIKDue922026Member  
Investment, Significant Unobservable Input [true false] [13] true  
Basis spread on variable rate [10],[13] 18.00%  
PIK Interest Rate [13] 18.00%  
Acquisition date [13] Dec. 15, 2023  
Maturity date [13] Sep. 02, 2026  
Principal, Shares, Units [13] 556,221  
Amortized cost [1],[13] $ 556,221  
Fair value [2],[13] $ 545,207  
Percentage of net assets [13] 0.20%  
Investment, Identifier [Axis]: MechanAir, LLC First Lien Senior Secured Term Loan SOFR Spread 10.80% Interest Rate 10.57% Plus 4.53% PIK Due 9/2/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9]   star:MechanAirLLCFirstLienSeniorSecuredTermLoanSOFRSpread1080InterestRate1057Plus453PIKDue922026Member
Investment, Significant Unobservable Input [true false] [7]   true
Basis spread on variable rate [7],[10]   10.80%
Interest Rate [7]   10.57%
PIK Interest Rate [7]   4.53%
Acquisition date [7]   Sep. 02, 2021
Maturity date [7]   Sep. 02, 2026
Principal, Shares, Units [7]   13,203,004
Amortized cost [1],[7]   $ 13,072,674
Fair value [2],[7]   $ 13,203,004
Percentage of net assets [7]   5.50%
Investment, Identifier [Axis]: MechanAir, LLC First Lien Senior Secured Term Loan SOFR Spread 18.00% PIK Due 9/2/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13]   star:MechanAirLLCFirstLienSeniorSecuredTermLoanSOFRSpread1800PIKDue922026Member
Investment, Significant Unobservable Input [true false] [13]   true
Basis spread on variable rate [10],[13]   0.00%
Interest Rate [13]   18.00%
Acquisition date [13]   Dec. 15, 2023
Maturity date [13]   Sep. 02, 2026
Principal, Shares, Units [13]   509,104
Amortized cost [1],[13]   $ 509,104
Fair value [2],[13]   $ 504,726
Percentage of net assets [13]   0.20%
Investment, Identifier [Axis]: MechanAir, LLC First Lien Senior Secured Term Loan SOFR Spread 5.43% Cash Plus 4.17% PIK Interest Rate 9.77% Cash Plus 4.17% PIK Due 9/2/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17] star:MechanAirLLCFirstLienSeniorSecuredTermLoanSOFRSpread543CashPlus417PIKInterestRate977CashPlus417PIKDue922026Member  
Investment, Significant Unobservable Input [true false] [17] true  
Basis spread on variable rate [10],[17] 5.43%  
Paid in Kind Basis Spread Variable Rate [10],[17] 4.17%  
Interest Rate [17] 9.77%  
PIK Interest Rate [17] 4.17%  
Acquisition date [17] Sep. 02, 2021  
Maturity date [17] Sep. 02, 2026  
Principal, Shares, Units [17] 13,278,354  
Amortized cost [1],[17] $ 13,191,242  
Fair value [2],[17] $ 13,145,570  
Percentage of net assets [17] 5.40%  
Investment, Identifier [Axis]: Media First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:MediaFirstLienSeniorSecuredTermLoanMember star:MediaFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Media First Lien Senior Secured Term Loan Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 17,608,931 17,495,108
Amortized cost [1] $ 17,453,410 $ 17,248,937
Fair value [2] $ 16,771,280 $ 17,221,475
Percentage of net assets 6.80% 7.10%
Investment, Identifier [Axis]: Media Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:MediaPreferredEquitySecuritiesMember star:MediaPreferredEquitySecuritiesMember
Investment, Identifier [Axis]: Media Preferred Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 1,171,071 3,515,344
Amortized cost [1] $ 2,442,505 $ 4,847,503
Fair value [2] $ 3,982,522 $ 9,704,567
Percentage of net assets 1.60% 4.00%
Investment, Identifier [Axis]: Media Warrants And Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:MediaWarrantsAndOtherEquitySecuritiesMember  
Investment, Identifier [Axis]: Media Warrants and Other Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 38,188  
Amortized cost [1] $ 0  
Fair value [2] $ 1,120,781  
Percentage of net assets 0.40%  
Investment, Identifier [Axis]: Microf, LLC Preferred Equity Securities Interest Rate 15.00% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[19],[24]   star:MicrofLLCPreferredEquitySecuritiesInterestRate1500PIKMember
Investment, Significant Unobservable Input [true false] [19],[24]   true
Basis spread on variable rate [10],[19],[24]   0.00%
PIK Interest Rate [19],[24]   15.00%
Acquisition date [19],[24]   May 05, 2020
Principal, Shares, Units [19],[24]   0
Amortized cost [1],[19],[24]   $ 0
Fair value [2],[19],[24]   $ 0
Percentage of net assets [19],[24]   0.00%
Investment, Identifier [Axis]: Microf, LLC Senior Unsecured Notes SOFR Spread 10.85% Interest Rate 15.16% Due 6/30/2025    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[19],[24]   star:MicrofLLCSeniorUnsecuredNotesSOFRSpread1085InterestRate1516Due6302025Member
Investment, Significant Unobservable Input [true false] [19],[24]   true
Basis spread on variable rate [10],[19],[24]   10.85%
Interest Rate [19],[24]   15.16%
Acquisition date [19],[24]   Mar. 29, 2019
Maturity date [19],[24]   Jun. 30, 2025
Principal, Shares, Units [19],[24]   3,427,073
Amortized cost [1],[19],[24]   $ 3,427,073
Fair value [2],[19],[24]   $ 3,427,073
Percentage of net assets [19],[24]   1.40%
Investment, Identifier [Axis]: Microf, LLC Senior Unsecured Notes SOFR Spread 10.85% Interest Rate 15.17% Due 6/30/2025    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[20] star:MicrofLLCSeniorUnsecuredNotesSOFRSpread1085InterestRate1544Due6302025Member  
Investment, Significant Unobservable Input [true false] [20] true  
Basis spread on variable rate [10],[20] 10.85%  
Interest Rate [20] 15.17%  
Acquisition date [20] Mar. 29, 2019  
Maturity date [20] Jun. 30, 2025  
Principal, Shares, Units [20] 3,714,429  
Amortized cost [1],[20] $ 3,691,630  
Fair value [2],[20] $ 3,733,001  
Percentage of net assets [20] 1.50%  
Investment, Identifier [Axis]: NSC Holdings, LLC Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14] star:NSCHoldingsLLCWarrantsAndOtherEquitySecuritiesMember [21] star:NSCHoldingsLLCWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] [14] true [21] true
Basis spread on variable rate [10],[14] 0.00% [21] 0.00%
Interest Rate [14] 0.00% [21] 0.00%
Acquisition date [14] Apr. 26, 2019 [21] Apr. 26, 2019
Principal, Shares, Units [14] 111 [21] 111
Amortized cost [1],[14] $ 271,262 [21] $ 271,262
Fair value [2],[14] $ 455,564 [21] $ 290,774
Percentage of net assets [14] 0.20% [21] 0.10%
Investment, Identifier [Axis]: NSC Technologies, LLC First Lien Senior Secured Term Loan SOFR Spread 8.26% Interest Rate 12.57% Due 10/26/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[22]   star:NSCTechnologiesLLCFirstLienSeniorSecuredTermLoanSOFRSpread826InterestRate1257Due10262026Member
Investment, Significant Unobservable Input [true false] [7],[22]   true
Basis spread on variable rate [7],[10],[22]   8.26%
Interest Rate [7],[22]   12.57%
Acquisition date [7],[22]   Apr. 26, 2019
Maturity date [7],[22]   Oct. 26, 2026
Principal, Shares, Units [7],[22]   4,148,472
Amortized cost [1],[7],[22]   $ 4,121,315
Fair value [2],[7],[22]   $ 4,117,773
Percentage of net assets [7],[22]   1.70%
Investment, Identifier [Axis]: NSC Technologies, LLC First Lien Senior Secured Term Loan SOFR Spread 8.26% Interest Rate 13.28% Due 10/26/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17],[22] star:NSCTechnologiesLLCFirstLienSeniorSecuredTermLoanSOFRSpread826InterestRate1328Due10262026Member  
Investment, Significant Unobservable Input [true false] [17],[22] true  
Basis spread on variable rate [10],[17],[22] 8.26%  
Interest Rate [17],[22] 13.28%  
Acquisition date [17],[22] Apr. 26, 2019  
Maturity date [17],[22] Oct. 26, 2026  
Principal, Shares, Units [17],[22] 4,062,508  
Amortized cost [1],[17],[22] $ 4,041,773  
Fair value [2],[17],[22] $ 4,062,507  
Percentage of net assets [17],[22] 1.70%  
Investment, Identifier [Axis]: NW Entertainment, LLC First Lien Senior Secured Term Loan SOFR Spread 7.76% Interest Rate 12.07% Due 11/4/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9]   star:NWEntertainmentLLCFirstLienSeniorSecuredTermLoanSOFRSpread776InterestRate1207Due1142027Member
Investment, Significant Unobservable Input [true false] [7]   true
Basis spread on variable rate [7],[10]   7.76%
Interest Rate [7]   12.07%
Acquisition date [7]   Nov. 04, 2022
Maturity date [7]   Nov. 04, 2027
Principal, Shares, Units [7]   6,235,769
Amortized cost [1],[7]   $ 6,135,904
Fair value [2],[7]   $ 6,175,905
Percentage of net assets [7]   2.60%
Investment, Identifier [Axis]: NW Entertainment, LLC First Lien Senior Secured Term Loan SOFR Spread 7.76% Interest Rate 12.08% Due 11/4/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17] star:NWEntertainmentLLCFirstLienSeniorSecuredTermLoanSOFRSpread776InterestRate1208Due1142027Member  
Investment, Significant Unobservable Input [true false] [17] true  
Basis spread on variable rate [10],[17] 7.76%  
Interest Rate [17] 12.08%  
Acquisition date [17] Nov. 04, 2022  
Maturity date [17] Nov. 04, 2027  
Principal, Shares, Units [17] 6,170,473  
Amortized cost [1],[17] $ 6,089,498  
Fair value [2],[17] $ 6,047,063  
Percentage of net assets [17] 2.50%  
Investment, Identifier [Axis]: NW Entertainment, LLC Preferred Equity Securities Interest Rate 10.00% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14] star:NWEntertainmentLLCPreferredEquitySecuritiesInterestRate1000PIKMember [21] star:NWEntertainmentLLCPreferredEquitySecuritiesInterestRate1000PIKMember
Investment, Significant Unobservable Input [true false] [14] true [21] true
Basis spread on variable rate [10],[14] 0.00% [21] 0.00%
PIK Interest Rate [14] 10.00% [21] 10.00%
Acquisition date [14] Nov. 04, 2022 [21] Nov. 04, 2022
Principal, Shares, Units [14] 1,183 [21] 1,183
Amortized cost [1],[14] $ 1,134,428 [21] $ 1,134,428
Fair value [2],[14] $ 1,371,318 [21] $ 1,385,764
Percentage of net assets [14] 0.60% [21] 0.60%
Investment, Identifier [Axis]: NW Entertainment, LLC Preferred Equity Securities Interest Rate 12.00% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[21] star:NWEntertainmentLLCPreferredEquitySecuritiesInterestRate1200PIKMember  
Investment, Significant Unobservable Input [true false] [21] true  
Basis spread on variable rate [10],[21] 0.00%  
PIK Interest Rate [21] 12.00%  
Acquisition date [21] Feb. 27, 2025  
Principal, Shares, Units [21] 826  
Amortized cost [1],[21] $ 531,143  
Fair value [2],[21] $ 951,925  
Percentage of net assets [21] 0.40%  
Investment, Identifier [Axis]: Non-Affiliate Investments    
Investments [Abstract]    
Investment, Issuer Affiliation [Extensible Enumeration] [3],[4],[5],[6],[8],[9] Non-controlled/Non-affiliated Investments [Member] star:InvestmentUnaffiliatedIssuersMember
Amortized cost [1] $ 313,666,345 $ 325,265,220
Fair value [2] $ 303,816,494 $ 326,959,520
Percentage of net assets 124.00% 135.70%
Investment, Identifier [Axis]: Nurses 24/7 Holdings, LLC Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14] star:Nurses247HoldingsLLCWarrantsAndOtherEquitySecuritiesMember [21] star:Nurses247HoldingsLLCWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] [14] true [21] true
Basis spread on variable rate [10],[14] 0.00% [21] 0.00%
Interest Rate [14] 0.00% [21] 0.00%
Acquisition date [14] May 26, 2023 [21] May 26, 2023
Principal, Shares, Units [14] 428,571 [21] 182
Amortized cost [1],[14] $ 419,877 [21] $ 419,877
Fair value [2],[14] $ 208,570 [21] $ 196,856
Percentage of net assets [14] 0.10% [21] 0.10%
Investment, Identifier [Axis]: PQT Ayaquhs, LLC (dba WWC Global) First Lien Senior Secured Term Loan SOFR Spread 7.26% Interest Rate 11.78% Due 8/1/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9]   star:PQTAyaquhsLLCDbaWWCGlobalFirstLienSeniorSecuredTermLoanSOFRSpread726InterestRate1178Due812027Member
Investment, Significant Unobservable Input [true false] [7]   true
Basis spread on variable rate [7],[10]   7.26%
Interest Rate [7]   11.78%
Acquisition date [7]   Aug. 01, 2022
Maturity date [7]   Aug. 01, 2027
Principal, Shares, Units [7]   7,409,274
Amortized cost [1],[7]   $ 7,311,194
Fair value [2],[7]   $ 7,483,367
Percentage of net assets [7]   3.10%
Investment, Identifier [Axis]: PQT Ayaquhs, LLC (dba WWC Global) First Lien Senior Secured Term Loan SOFR Spread 7.36% Interest Rate 11.66% Due 8/1/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17] star:PQTAyaquhsLLCDbaWWCGlobalFirstLienSeniorSecuredTermLoanSOFRSpread736InterestRate1166Due812027Member  
Investment, Significant Unobservable Input [true false] [17] true  
Basis spread on variable rate [10],[17] 7.36%  
Interest Rate [17] 11.66%  
Acquisition date [17] Aug. 01, 2022  
Maturity date [17] Aug. 01, 2027  
Principal, Shares, Units [17] 3,437,642  
Amortized cost [1],[17] $ 3,402,785  
Fair value [2],[17] $ 3,437,642  
Percentage of net assets [17] 1.40%  
Investment, Identifier [Axis]: PQT Ayaquhs, LLC (dba WWC Global) Preferred Equity Securities Interest Rate 10.50% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13],[14] star:PQTAyaquhsLLCDbaWWCGlobalPreferredEquitySecuritiesInterestRate1050PIKMember [21] star:PQTAyaquhsLLCDbaWWCGlobalPreferredEquitySecuritiesInterestRate1050PIKMember
Investment, Significant Unobservable Input [true false] [13],[14] true [21] true
Basis spread on variable rate [10],[13],[14] 0.00% [21] 0.00%
PIK Interest Rate [13],[14] 10.50% [21] 10.50%
Acquisition date [13],[14] Aug. 01, 2022 [21] Aug. 01, 2022
Principal, Shares, Units [13],[14] 5,774 [21] 5,774
Amortized cost [1],[13],[14] $ 1,064,516 [21] $ 1,064,516
Fair value [2],[13],[14] $ 4,651,979 [21] $ 4,528,036
Percentage of net assets [13],[14] 1.90% [21] 1.80%
Investment, Identifier [Axis]: PQT Ayaquhs, LLC (dba WWC Global) Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:PQTAyaquhsLLCDbaWWCGlobalWarrantsAndOtherEquitySecuritiesMember star:PQTAyaquhsLLCDbaWWCGlobalWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] true true
Basis spread on variable rate [10] 0.00% 0.00%
Interest Rate 0.00% 0.00%
Acquisition date Aug. 01, 2022 Aug. 01, 2022
Principal, Shares, Units 645 645
Amortized cost [1] $ 0 $ 0
Fair value [2] $ 387,097 $ 353,135
Percentage of net assets 0.20% 0.10%
Investment, Identifier [Axis]: PadSquad Holdings LLC (dba Padsquad) Preferred Equity Securities Interest Rate 6.00% Cash Plus 6.00% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13],[14],[21] star:PadSquadHoldingsLLCDbaPadsquadPreferredEquitySecuritiesInterestRate600CashPlus600PIKMember  
Investment, Significant Unobservable Input [true false] [13],[14],[21] true  
Basis spread on variable rate [10],[13],[14],[21] 0.00%  
Interest Rate [13],[14],[21] 6.00%  
PIK Interest Rate [13],[14],[21] 6.00%  
Acquisition date [13],[14],[21] Mar. 30, 2022  
Principal, Shares, Units [13],[14],[21] 720,767  
Amortized cost [1],[13],[14],[21] $ 1,964,204  
Fair value [2],[13],[14],[21] $ 3,379,270  
Percentage of net assets [13],[14],[21] 1.40%  
Investment, Identifier [Axis]: PadSquad Holdings LLC Preferred Equity Securities Interest Rate 6.00% Plus 6.00% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13],[14]   star:PadSquadHoldingsLLCDbaPadsquadPreferredEquitySecuritiesInterestRate600Plus600PIKMember
Investment, Significant Unobservable Input [true false] [13],[14]   true
Basis spread on variable rate [10],[13],[14]   0.00%
Interest Rate [13],[14]   6.00%
PIK Interest Rate [13],[14]   6.00%
Acquisition date [13],[14]   Mar. 30, 2022
Principal, Shares, Units [13],[14]   720,767
Amortized cost [1],[13],[14]   $ 1,964,204
Fair value [2],[13],[14]   $ 3,379,270
Percentage of net assets [13],[14]   1.40%
Investment, Identifier [Axis]: PadSquad, LLC First Lien Senior Secured Term Loan 3M SOFR Spread 6.77% Interest Rate 11.16% Due 3/30/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17],[22] star:PadSquadLLCFirstLienSeniorSecuredTermLoan3MSOFRSpread677InterestRate1116Due3302027Member  
Investment, Significant Unobservable Input [true false] [17],[22] true  
Basis spread on variable rate term [10],[17],[22] 3 months  
Basis spread on variable rate [10],[17],[22] 6.77%  
Interest Rate [17],[22] 11.16%  
Acquisition date [17],[22] Mar. 30, 2022  
Maturity date [17],[22] Mar. 30, 2027  
Principal, Shares, Units [17],[22] 2,704,113  
Amortized cost [1],[17],[22] $ 2,679,400  
Fair value [2],[17],[22] $ 2,704,113  
Percentage of net assets [17],[22] 1.10%  
Investment, Identifier [Axis]: PadSquad, LLC First Lien Senior Secured Term Loan SOFR Spread 5.50% Interest Rate 9.81% Due 3/30/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[22]   star:PadSquadLLCFirstLienSeniorSecuredTermLoanSOFRSpread550InterestRate981Due3302027Member
Investment, Significant Unobservable Input [true false] [7],[22]   true
Basis spread on variable rate [7],[10],[22]   5.50%
Interest Rate [7],[22]   9.81%
Acquisition date [7],[22]   Mar. 30, 2022
Maturity date [7],[22]   Mar. 30, 2027
Principal, Shares, Units [7],[22]   2,704,113
Amortized cost [1],[7],[22]   $ 2,676,832
Fair value [2],[7],[22]   $ 2,704,113
Percentage of net assets [7],[22]   1.10%
Investment, Identifier [Axis]: Personal Products First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:PersonalProductsFirstLienSeniorSecuredTermLoanMember star:PersonalProductsFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Personal Products First Lien Senior Secured Term Loan Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 4,349,113 4,404,301
Amortized cost [1] $ 4,312,101 $ 4,360,968
Fair value [2] $ 4,311,712 $ 4,404,301
Percentage of net assets 1.80% 1.80%
Investment, Identifier [Axis]: Preferred Equity Securities    
Investments [Abstract]    
Investment, Type [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[25],[32] Preferred Equity Securities [Member] Preferred Equity Securities [Member]
Investment, Identifier [Axis]: Preferred Equity Securities Controlled Investments    
Investments [Abstract]    
Amortized cost [1] $ 26,550,524 $ 25,056,679
Fair value [2] $ 25,828,636 $ 23,291,385
Percentage of net assets 10.70% 9.70%
Investment, Identifier [Axis]: Preferred Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Amortized cost [1] $ 16,962,402 $ 18,084,821
Fair value [2] $ 28,555,079 $ 30,311,671
Percentage of net assets 11.80% 12.50%
Investment, Identifier [Axis]: Proactive Dealer Holdings Parent, LLC Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14] star:ProactiveDealerHoldingsParentLLCWarrantsAndOtherEquitySecuritiesMember star:ProactiveDealerHoldingsParentLLCWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] [14] true true
Basis spread on variable rate [10],[14] 0.00% 0.00%
Interest Rate [14] 0.00% 0.00%
Acquisition date [14] Jun. 10, 2024 Jun. 10, 2024
Principal, Shares, Units [14] 445 445
Amortized cost [1],[14] $ 730,271 $ 730,271
Fair value [2],[14] $ 383,629 $ 730,275
Percentage of net assets [14] 0.20% 0.40%
Investment, Identifier [Axis]: Professional Services First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:ProfessionalServicesFirstLienSeniorSecuredTermLoanMember star:ProfessionalServicesFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Professional Services First Lien Senior Secured Term Loan Controlled Investments    
Investments [Abstract]    
Principal, Shares, Units 7,200,785 7,250,785
Amortized cost [1] $ 7,118,852 $ 7,154,058
Fair value [2] $ 7,200,785 $ 7,287,039
Percentage of net assets 2.90% 3.00%
Investment, Identifier [Axis]: Professional Services First Lien Senior Secured Term Loan Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 35,885,131 29,116,427
Amortized cost [1] $ 35,338,302 $ 28,529,665
Fair value [2] $ 35,103,581 $ 28,698,296
Percentage of net assets 14.40% 11.90%
Investment, Identifier [Axis]: Professional Services Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:ProfessionalServicesPreferredEquitySecuritiesMember star:ProfessionalServicesPreferredEquitySecuritiesMember
Investment, Identifier [Axis]: Professional Services Preferred Equity Securities Controlled Investments    
Investments [Abstract]    
Principal, Shares, Units 4,000,000 4,000,000
Amortized cost [1] $ 4,000,000 $ 4,000,000
Fair value [2] $ 6,268,000 $ 6,700,000
Percentage of net assets 2.60% 2.80%
Investment, Identifier [Axis]: Professional Services Preferred Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 2,210,945 1,088,395
Amortized cost [1] $ 5,470,311 $ 5,262,739
Fair value [2] $ 9,297,562 $ 8,944,098
Percentage of net assets 3.90% 3.60%
Investment, Identifier [Axis]: Professional Services Second Lien Senior Secured Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9]   star:ProfessionalServicesSecondLienSeniorSecuredLoanMember
Investment, Identifier [Axis]: Professional Services Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:ProfessionalServicesWarrantsAndOtherEquitySecuritiesMember star:ProfessionalServicesWarrantsAndOtherEquitySecuritiesMember
Investment, Identifier [Axis]: Professional Services Warrants and Other Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 757 756
Amortized cost [1] $ 271,262 $ 271,262
Fair value [2] $ 1,346,523 $ 643,909
Percentage of net assets 0.40% 0.20%
Investment, Identifier [Axis]: PureCars Technologies Holdings, LLC Preferred Equity Securities Interest Rate 8.00% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13],[14] star:PureCarsTechnologiesHoldingsLLCPreferredEquitySecuritiesInterestRate800PIKMember [21] star:PureCarsTechnologiesHoldingsLLCPreferredEquitySecuritiesInterestRate800PIKMember
Investment, Significant Unobservable Input [true false] [13],[14] true [21] true
Basis spread on variable rate [10],[13],[14] 0.00% [21] 0.00%
PIK Interest Rate [13],[14] 8.00% [21] 8.00%
Acquisition date [13],[14] Apr. 17, 2019 [21] Apr. 17, 2019
Principal, Shares, Units [13],[14] 592 [21] 592
Amortized cost [1],[13],[14] $ 267,013 [21] $ 267,013
Fair value [2],[13],[14] $ 299,540 [21] $ 234,876
Percentage of net assets [13],[14] 0.10% [21] 0.10%
Investment, Identifier [Axis]: Qualified Digital, LLC First Lien Senior Secured Term Loan SOFR Spread 7.00% Interest Rate 11.31% Due 7/30/2029    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[18]   star:QualifiedDigitalLLCFirstLienSeniorSecuredTermLoanSOFRSpread700InterestRate1131Due7302029Member
Investment, Significant Unobservable Input [true false] [7],[18]   true
Basis spread on variable rate [7],[10],[18]   7.00%
Interest Rate [7],[18]   11.31%
Acquisition date [7],[18]   Jul. 30, 2024
Maturity date [7],[18]   Jul. 30, 2029
Principal, Shares, Units [7],[18]   9,097,143
Amortized cost [1],[7],[18]   $ 8,793,352
Fair value [2],[7],[18]   $ 8,793,352
Percentage of net assets [7],[18]   3.70%
Investment, Identifier [Axis]: Qualified Digital, LLC First Lien Senior Secured Term Loan SOFR Spread 7.00% Interest Rate 11.34% Due 7/30/2029    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[16],[17] star:QualifiedDigitalLLCFirstLienSeniorSecuredTermLoanSOFRSpread700InterestRate1134Due7302029Member  
Investment, Significant Unobservable Input [true false] [16],[17] true  
Basis spread on variable rate [10],[16],[17] 7.00%  
Interest Rate [16],[17] 11.34%  
Acquisition date [16],[17] Jul. 30, 2024  
Maturity date [16],[17] Jul. 30, 2029  
Principal, Shares, Units [16],[17] 12,240,000  
Amortized cost [1],[16],[17] $ 11,908,565  
Fair value [2],[16],[17] $ 12,134,837  
Percentage of net assets [16],[17] 5.00%  
Investment, Identifier [Axis]: SPC QD SM, LP Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14] star:SPCQDSMLPPreferredEquitySecuritiesMember star:SPCQDSMLPPreferredEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] [14] true true
Basis spread on variable rate [10],[14] 0.00% 0.00%
Interest Rate [14] 0.00% 0.00%
Acquisition date [14] Jul. 30, 2024 Jul. 30, 2024
Principal, Shares, Units [14] 42 38
Amortized cost [1],[14] $ 2,207,572 $ 2,000,000
Fair value [2],[14] $ 2,655,714 $ 2,000,000
Percentage of net assets [14] 1.10% 0.80%
Investment, Identifier [Axis]: Senior Secured Notes    
Investments [Abstract]    
Investment, Type [Extensible Enumeration] [3],[4],[5],[6],[8],[9]   Senior Secured Notes [Member]
Investment, Identifier [Axis]: Senior Secured Notes Controlled Investments    
Investments [Abstract]    
Amortized cost [1]   $ 341,103
Fair value [2]   $ 341,103
Percentage of net assets   0.10%
Investment, Identifier [Axis]: Senior Unsecured Notes    
Investments [Abstract]    
Investment, Type [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[25] Senior Unsecured Notes [Member] Senior Unsecured Notes [Member]
Investment, Identifier [Axis]: Senior Unsecured Notes Controlled Investments    
Investments [Abstract]    
Amortized cost [1] $ 3,691,630 $ 3,427,073
Fair value [2] $ 3,733,001 $ 3,427,073
Percentage of net assets 1.50% 1.40%
Investment, Identifier [Axis]: Senior Unsecured Notes Non-Affiliate Investments    
Investments [Abstract]    
Amortized cost [1] $ 2,033,098 $ 2,033,098
Fair value [2] $ 0 $ 0
Percentage of net assets 0.00% 0.00%
Investment, Identifier [Axis]: SkyBell Technologies, Inc. First Lien Senior Secured Term Loan Cash Plus 0.00% PIK Interest Rate 17.60% PIK Due 12/13/2024    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[23],[24],[30] star:SkyBellTechnologiesIncFirstLienSeniorSecuredTermLoanCashPlus000PIKInterestRate1760PIKDue12132024Member  
Investment, Significant Unobservable Input [true false] [23],[24],[30] true  
Paid in Kind Basis Spread Variable Rate [10],[23],[24],[30] 0.00%  
PIK Interest Rate [23],[24],[30] 17.60%  
Acquisition date [23],[24],[30] Dec. 13, 2019  
Maturity date [23],[24],[30] Dec. 13, 2024  
Principal, Shares, Units [23],[24],[30] 4,597,307  
Amortized cost [1],[23],[24],[30] $ 4,534,241  
Fair value [2],[23],[24],[30] $ 3,804,272  
Percentage of net assets [23],[24],[30] 1.60%  
Investment, Identifier [Axis]: SkyBell Technologies, Inc. First Lien Senior Secured Term Loan SOFR Spread 0.00% Cash Plus 0.00% PIK Interest Rate 0.00% Cash Plus 0.00% PIK Due 12/13/2024    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[24],[26]   star:SkyBellTechnologiesIncFirstLienSeniorSecuredTermLoanSOFRSpread000CashPlus000PIKInterestRate000CashPlus000PIKDue12132024Member
Investment, Significant Unobservable Input [true false] [24],[26]   true
Basis spread on variable rate [10],[24],[26]   0.00%
Paid in Kind Basis Spread Variable Rate [10],[24],[26]   0.00%
Interest Rate [24],[26]   0.00%
PIK Interest Rate [24],[26]   0.00%
Acquisition date [24],[26]   Dec. 13, 2019
Maturity date [24],[26]   Dec. 13, 2024
Principal, Shares, Units [24],[26]   4,597,307
Amortized cost [1],[24],[26]   $ 4,534,757
Fair value [2],[24],[26]   $ 3,057,209
Percentage of net assets [24],[26]   1.30%
Investment, Identifier [Axis]: SkyBell Technologies, Inc. Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:SkyBellTechnologiesIncWarrantsAndOtherEquitySecuritiesOneMember  
Investment, Significant Unobservable Input [true false] true  
Basis spread on variable rate [10] 0.00%  
Interest Rate 0.00%  
Acquisition date Dec. 13, 2019  
Principal, Shares, Units 1,917,813  
Amortized cost [1] $ 0  
Fair value [2] $ 0  
Percentage of net assets 0.00%  
Investment, Identifier [Axis]: Software Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:SoftwarePreferredEquitySecuritiesMember star:SoftwarePreferredEquitySecuritiesMember
Investment, Identifier [Axis]: Software Preferred Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 592 592
Amortized cost [1] $ 267,013 $ 267,013
Fair value [2] $ 299,540 $ 234,876
Percentage of net assets 0.10% 0.10%
Investment, Identifier [Axis]: Software Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:SoftwareWarrantsAndOtherEquitySecuritiesMember star:SoftwareWarrantsAndOtherEquitySecuritiesMember
Investment, Identifier [Axis]: Software Warrants and Other Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 445 445
Amortized cost [1] $ 730,271 $ 730,271
Fair value [2] $ 383,629 $ 730,275
Percentage of net assets 0.20% 0.40%
Investment, Identifier [Axis]: Specialty Retail First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:SpecialtyRetailFirstLienSeniorSecuredTermLoanMember star:SpecialtyRetailFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Specialty Retail First Lien Senior Secured Term Loan Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 6,929,067 6,703,118
Amortized cost [1] $ 6,853,185 $ 6,609,366
Fair value [2] $ 6,929,067 $ 6,703,118
Percentage of net assets 2.90% 2.80%
Investment, Identifier [Axis]: Swyft AcquireCo LLC (dba Swyft Filings) First Lien Senior Secured Term Loan SOFR Spread 2.75% Interest Rate 7.07% Due 12/20/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[11],[31] star:SwyftAcquireCoLLCDbaSwyftFilingsFirstLienSeniorSecuredTermLoanSOFRSpread275InterestRate707Due12202027Member  
Investment, Significant Unobservable Input [true false] [11],[31] true  
Basis spread on variable rate [10],[11],[31] 2.75%  
Interest Rate [11],[31] 7.07%  
Acquisition date [11],[31] Dec. 20, 2021  
Maturity date [11],[31] Dec. 20, 2027  
Principal, Shares, Units [11],[31] 289,046  
Amortized cost [1],[11],[31] $ 288,538  
Fair value [2],[11],[31] $ 289,046  
Percentage of net assets [11],[31] 0.10%  
Investment, Identifier [Axis]: Swyft AcquireCo LLC (dba Swyft Filings) First Lien Senior Secured Term Loan SOFR Spread 2.75% Interest Rate 7.08% Due 12/20/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[12],[31]   star:SwyftAcquireCoLLCDbaSwyftFilingsFirstLienSeniorSecuredTermLoanSOFRSpread275InterestRate708Due12202027Member
Investment, Significant Unobservable Input [true false] [12],[31]   true
Basis spread on variable rate [10],[12],[31]   2.75%
Interest Rate [12],[31]   7.08%
Acquisition date [12],[31]   Dec. 20, 2021
Maturity date [12],[31]   Dec. 20, 2027
Principal, Shares, Units [12],[31]   292,443
Amortized cost [1],[12],[31]   $ 291,514
Fair value [2],[12],[31]   $ 288,290
Percentage of net assets [12],[31]   0.10%
Investment, Identifier [Axis]: Swyft AcquireCo LLC (dba Swyft Filings) First Lien Senior Secured Term Loan SOFR Spread 5.50% Interest Rate 9.83% Due 12/20/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[12],[22]   star:SwyftAcquireCoLLCDbaSwyftFilingsFirstLienSeniorSecuredTermLoanSOFRSpread550InterestRate983Due12202027Member
Investment, Significant Unobservable Input [true false] [12],[22]   true
Basis spread on variable rate [10],[12],[22]   5.50%
Interest Rate [12],[22]   9.83%
Acquisition date [12],[22]   Dec. 20, 2021
Maturity date [12],[22]   Dec. 20, 2027
Principal, Shares, Units [12],[22]   3,682,383
Amortized cost [1],[12],[22]   $ 3,643,596
Fair value [2],[12],[22]   $ 3,425,353
Percentage of net assets [12],[22]   1.40%
Investment, Identifier [Axis]: Swyft AcquireCo LLC (dba Swyft Filings) First Lien Senior Secured Term Loan SOFR Spread 7.67% Interest Rate 11.99% Due 12/20/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[11],[22] star:SwyftAcquireCoLLCDbaSwyftFilingsFirstLienSeniorSecuredTermLoanSOFRSpread767InterestRate1199Due12202027Member  
Investment, Significant Unobservable Input [true false] [11],[22] true  
Basis spread on variable rate [10],[11],[22] 7.67%  
Interest Rate [11],[22] 11.99%  
Acquisition date [11],[22] Dec. 20, 2021  
Maturity date [11],[22] Dec. 20, 2027  
Principal, Shares, Units [11],[22] 3,682,383  
Amortized cost [1],[11],[22] $ 3,650,675  
Fair value [2],[11],[22] $ 3,584,432  
Percentage of net assets [11],[22] 1.50%  
Investment, Identifier [Axis]: Swyft Filings Holdings, LLC Preferred Equity Securities Interest Rate 8.00% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13],[14],[15] star:SwyftFilingsHoldingsLLCPreferredEquitySecuritiesInterestRate800PIKMember [21] star:SwyftFilingsHoldingsLLCPreferredEquitySecuritiesInterestRate800PIKMember
Investment, Significant Unobservable Input [true false] [13],[14],[15] true [21] true
Basis spread on variable rate [10],[13],[14],[15] 0.00% [21] 0.00%
PIK Interest Rate [13],[14],[15] 8.00% [21] 8.00%
Acquisition date [13],[14],[15] Dec. 20, 2021 [21] Dec. 20, 2021
Principal, Shares, Units [13],[14],[15] 192,444 [21] 192,444
Amortized cost [1],[13],[14],[15] $ 183,612 [21] $ 183,612
Fair value [2],[13],[14],[15] $ 213,724 [21] $ 194,996
Percentage of net assets [13],[14],[15] 0.10% [21] 0.10%
Investment, Identifier [Axis]: Swyft Filings Holdings, LLC Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13],[14],[15] star:SwyftFilingsHoldingsLLCWarrantsAndOtherEquitySecuritiesMember  
Investment, Significant Unobservable Input [true false] [13],[14],[15] true  
Basis spread on variable rate [10],[13],[14],[15] 0.00%  
Acquisition date [13],[14],[15] Dec. 20, 2021  
Principal, Shares, Units [13],[14],[15] 1,015  
Amortized cost [1],[13],[14],[15] $ 0  
Fair value [2],[13],[14],[15] $ 0  
Percentage of net assets [13],[14],[15] 0.00%  
Investment, Identifier [Axis]: TCP Acquisition, LLC (dba HighStar Traffic) First Lien Senior Secured Term Loan SOFR Spread 7.50% Interest Rate 11.81% Due 7/26/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9]   star:TCPAcquisitionLLCDbaHighStarTrafficFirstLienSeniorSecuredTermLoanSOFRSpread750InterestRate1181Due7262027Member
Investment, Significant Unobservable Input [true false] [7]   true
Basis spread on variable rate [7],[10]   7.50%
Interest Rate [7]   11.81%
Acquisition date [7]   Jul. 26, 2022
Maturity date [7]   Jul. 26, 2027
Principal, Shares, Units [7]   10,339,453
Amortized cost [1],[7]   $ 10,193,719
Fair value [2],[7]   $ 10,339,453
Percentage of net assets [7]   4.30%
Investment, Identifier [Axis]: TCP Acquisition, LLC (dba HighStar Traffic) First Lien Senior Secured Term Loan SOFR Spread 8.00% Interest Rate 12.34% Due 7/26/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17] star:TCPAcquisitionLLCDbaHighStarTrafficFirstLienSeniorSecuredTermLoanSOFRSpread800InterestRate1232Due7262027Member  
Investment, Significant Unobservable Input [true false] [17] true  
Basis spread on variable rate [10],[17] 8.00%  
Interest Rate [17] 12.34%  
Acquisition date [17] Jul. 26, 2022  
Maturity date [17] Jul. 26, 2027  
Principal, Shares, Units [17] 10,068,771  
Amortized cost [1],[17] $ 9,968,369  
Fair value [2],[17] $ 10,028,496  
Percentage of net assets [17] 4.10%  
Investment, Identifier [Axis]: TS-MP, LLC (dba Mission) - Class A-1 Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14] star:TSMPLLCDbaMissionClassA1PreferredEquitySecuritiesMember [20],[21] star:TSMPLLCDbaMissionClassA1PreferredEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] [14] true [20],[21] true
Basis spread on variable rate [10],[14] 0.00% [20],[21] 0.00%
Interest Rate [14]   0.00%
Preferred return [14],[20],[21] 0.00%  
Acquisition date [14] Dec. 09, 2021 [20],[21] Dec. 09, 2021
Principal, Shares, Units [14] 69 [20],[21] 69
Amortized cost [1],[14] $ 1,928,409 [20],[21] $ 1,928,409
Fair value [2],[14] $ 0 [20],[21] $ 0
Percentage of net assets [14] 0.00% [20],[21] 0.00%
Investment, Identifier [Axis]: TS-MP, LLC (dba Mission) - Class AA-1 Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14] star:TSMPLLCDbaMissionClassAA1PreferredEquitySecuritiesMember [20],[21] star:TSMPLLCDbaMissionClassAA1PreferredEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] [14] true [20],[21] true
Basis spread on variable rate [10],[14] 0.00% [20],[21] 0.00%
Interest Rate [14] 0.00% [20],[21] 0.00%
Acquisition date [14] Dec. 10, 2024 [20],[21] Dec. 10, 2024
Principal, Shares, Units [14] 88 [20],[21] 88
Amortized cost [1],[14] $ 1,960,641 [20],[21] $ 1,960,641
Fair value [2],[14] $ 2,156,705 [20],[21] $ 1,782,334
Percentage of net assets [14] 0.90% [20],[21] 0.70%
Investment, Identifier [Axis]: Texas Contract Manufacturing Group, Inc. First Lien Senior Secured Term Loan SOFR Spread 12.11% Interest Rate 16.42% Due 4/27/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9]   star:TexasContractManufacturingGroupIncFirstLienSeniorSecuredTermLoanSOFRSpread1211InterestRate1642Due4272027Member
Investment, Significant Unobservable Input [true false] [7]   true
Basis spread on variable rate [7],[10]   12.11%
Interest Rate [7]   16.42%
Acquisition date [7]   Apr. 27, 2022
Maturity date [7]   Apr. 27, 2027
Principal, Shares, Units [7]   4,605,541
Amortized cost [1],[7]   $ 4,547,261
Fair value [2],[7]   $ 3,968,595
Percentage of net assets [7]   1.60%
Investment, Identifier [Axis]: Texas Contract Manufacturing Group, Inc. First Lien Senior Secured Term Loan SOFR Spread 12.11% Interest Rate 16.45% Due 4/27/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17] star:TexasContractManufacturingGroupIncFirstLienSeniorSecuredTermLoanSOFRSpread1211InterestRate1645Due4272027Member  
Investment, Significant Unobservable Input [true false] [17] true  
Basis spread on variable rate [10],[17] 12.11%  
Interest Rate [17] 16.45%  
Acquisition date [17] Apr. 27, 2022  
Maturity date [17] Apr. 27, 2027  
Principal, Shares, Units [17] 4,453,364  
Amortized cost [1],[17] $ 4,411,751  
Fair value [2],[17] $ 3,842,362  
Percentage of net assets [17] 1.60%  
Investment, Identifier [Axis]: Texas Contract Manufacturing Group, Inc. Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:TexasContractManufacturingGroupIncWarrantsAndOtherEquitySecuritiesMember star:TexasContractManufacturingGroupIncWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] true true
Basis spread on variable rate [10] 0.00% 0.00%
Interest Rate 0.00% 0.00%
Acquisition date Apr. 27, 2022 Apr. 27, 2022
Principal, Shares, Units 1,602 1,602
Amortized cost [1] $ 0 $ 0
Fair value [2] $ 208,387 $ 249,355
Percentage of net assets 0.10% 0.10%
Investment, Identifier [Axis]: The Range NYC, LLC (dba Five Iron Golf) First Lien Senior Secured Term Loan SOFR Spread 7.61% Interest Rate 11.92% Due 9/15/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[18]   star:TheRangeNYCLLCDbaFiveIronGolfFirstLienSeniorSecuredTermLoanSOFRSpread761InterestRate1192Due9152027Member
Investment, Significant Unobservable Input [true false] [7],[18]   true
Basis spread on variable rate [7],[10],[18]   7.61%
Interest Rate [7],[18]   11.92%
Acquisition date [7],[18]   Sep. 15, 2022
Maturity date [7],[18]   Sep. 15, 2027
Principal, Shares, Units [7],[18]   4,928,571
Amortized cost [1],[7],[18]   $ 4,819,417
Fair value [2],[7],[18]   $ 4,876,329
Percentage of net assets [7],[18]   2.00%
Investment, Identifier [Axis]: The Range NYC, LLC (dba Five Iron Golf) First Lien Senior Secured Term Loan SOFR Spread 7.61% Interest Rate 11.95% Due 9/15/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [16],[17] star:TheRangeNYCLLCDbaFiveIronGolfFirstLienSeniorSecuredTermLoanSOFRSpread761InterestRate1195Due9152027Member  
Investment, Significant Unobservable Input [true false] [16],[17] true  
Basis spread on variable rate [16],[17] 7.61%  
Interest Rate [16],[17] 11.95%  
Acquisition date [16],[17] Sep. 15, 2022  
Maturity date [16],[17] Sep. 15, 2027  
Principal, Shares, Units [16],[17] 1,670,168  
Amortized cost [16],[17] $ 1,670,168  
Fair value [16],[17] $ 1,674,678  
Percentage of net assets [16],[17] 0.70%  
Investment, Identifier [Axis]: The Range NYC, LLC (dba Five Iron Golf) First Lien Senior Secured Term Loan SOFR Spread 7.61% Interest Rate 11.95% Due 9/15/2027 One    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17] star:TheRangeNYCLLCDbaFiveIronGolfFirstLienSeniorSecuredTermLoanSOFRSpread761InterestRate1195Due9152027OneMember  
Investment, Significant Unobservable Input [true false] [17] true  
Basis spread on variable rate [10],[17] 7.61%  
Interest Rate [17] 11.95%  
Acquisition date [17] Sep. 15, 2022  
Maturity date [17] Sep. 15, 2027  
Principal, Shares, Units [17] 4,865,546  
Amortized cost [1],[17] $ 4,778,810  
Fair value [2],[17] $ 4,878,683  
Percentage of net assets [17] 2.00%  
Investment, Identifier [Axis]: The Range NYC, LLC (dba Five Iron Golf) Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:TheRangeNYCLLCDbaFiveIronGolfWarrantsAndOtherEquitySecuritiesMember star:TheRangeNYCLLCDbaFiveIronGolfWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] true true
Basis spread on variable rate [10] 0.00% 0.00%
Interest Rate 0.00% 0.00%
Acquisition date Sep. 15, 2022 Sep. 15, 2022
Principal, Shares, Units 21,210 21,210
Amortized cost [1] $ 71,599 $ 71,599
Fair value [2] $ 35,463 $ 34,623
Percentage of net assets 0.00% 0.00%
Investment, Identifier [Axis]: Trading Companies & Distributors First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:TradingCompaniesDistributorsFirstLienSeniorSecuredTermLoanMember star:TradingCompaniesDistributorsFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Trading Companies & Distributors First Lien Senior Secured Term Loan Controlled Investments    
Investments [Abstract]    
Principal, Shares, Units 2,648,797 2,484,904
Amortized cost [1] $ 2,621,443 $ 2,450,388
Fair value [2] $ 2,506,556 $ 2,240,638
Percentage of net assets 1.00% 0.90%
Investment, Identifier [Axis]: Trading Companies & Distributors First Lien Senior Secured Term Loan Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 9,958,766 8,226,269
Amortized cost [1] $ 9,030,944 $ 8,085,958
Fair value [2] $ 9,030,944 $ 8,085,958
Percentage of net assets 3.70% 3.30%
Investment, Identifier [Axis]: Trading Companies & Distributors Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:TradingCompaniesDistributorsPreferredEquitySecuritiesMember star:TradingCompaniesDistributorsPreferredEquitySecuritiesMember
Investment, Identifier [Axis]: Trading Companies & Distributors Preferred Equity Securities Controlled Investments    
Investments [Abstract]    
Principal, Shares, Units 3,012,188 3,012,188
Amortized cost [1] $ 5,163,574 $ 5,163,574
Fair value [2] $ 1,479,563 $ 936,000
Percentage of net assets 0.60% 0.40%
Investment, Identifier [Axis]: Trading Companies & Distributors Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:TradingCompaniesDistributorsWarrantsAndOtherEquitySecuritiesMember star:TradingCompaniesDistributorsWarrantsAndOtherEquitySecuritiesMember
Investment, Identifier [Axis]: Trading Companies & Distributors Warrants and Other Equity Securities Controlled Investments    
Investments [Abstract]    
Principal, Shares, Units 204 204
Amortized cost [1] $ 0 $ 0
Fair value [2] $ 0 $ 0
Percentage of net assets 0.00% 0.00%
Investment, Identifier [Axis]: Trailer Park Group Holdings LLC - Class A Units Preferred Equity Securities Interest Rate 8.00% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13],[14] star:TrailerParkGroupHoldingsLLCClassAUnitsPreferredEquitySecuritiesInterestRate800PIKMember [21] star:TrailerParkGroupHoldingsLLCClassAUnitsPreferredEquitySecuritiesInterestRate800PIKMember
Investment, Significant Unobservable Input [true false] [13],[14] true [21] true
Basis spread on variable rate [10],[13],[14] 0.00% [21] 0.00%
PIK Interest Rate [13],[14] 8.00% [21] 8.00%
Acquisition date [13],[14] Aug. 02, 2021 [21] Aug. 02, 2021
Principal, Shares, Units [13],[14] 409,416 [21] 371,822
Amortized cost [1],[13],[14] $ 404,702 [21] $ 367,108
Fair value [2],[13],[14] $ 492,850 [21] $ 662,587
Percentage of net assets [13],[14] 0.20% [21] 0.30%
Investment, Identifier [Axis]: Trailer Park Group Holdings LLC First Lien Senior Secured Term Loan SOFR Spread 6.76% Cash Plus 1.50% PIK Interest Rate 11.07% Cash Plus 1.50% PIK Due 8/2/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[22]   star:TrailerParkGroupHoldingsLLCFirstLienSeniorSecuredTermLoanSOFRSpread676CashPlus150PIKInterestRate1107CashPlus150PIKDue822026Member
Investment, Significant Unobservable Input [true false] [7],[22]   true
Basis spread on variable rate [7],[10],[22]   6.76%
Paid in Kind Basis Spread Variable Rate [7],[10],[22]   1.50%
Interest Rate [7],[22]   11.07%
PIK Interest Rate [7],[22]   1.50%
Acquisition date [7],[22]   Aug. 02, 2021
Maturity date [7],[22]   Aug. 02, 2026
Principal, Shares, Units [7],[22]   14,790,995
Amortized cost [1],[7],[22]   $ 14,572,105
Fair value [2],[7],[22]   $ 14,517,362
Percentage of net assets [7],[22]   6.00%
Investment, Identifier [Axis]: Trailer Park Group Holdings LLC First Lien Senior Secured Term Loan SOFR Spread 7.71% Cash Plus 2.07% PIK Interest Rate 11.75% Cash Plus 1.02% PIK Due 8/2/2026    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17],[22] star:TrailerParkGroupHoldingsLLCFirstLienSeniorSecuredTermLoanSOFRSpread771CashPlus207PIKInterestRate1175CashPlus102PIKDue822026Member  
Investment, Significant Unobservable Input [true false] [17],[22] true  
Basis spread on variable rate [10],[17],[22] 7.71%  
Paid in Kind Basis Spread Variable Rate [10],[17],[22] 2.07%  
Interest Rate [17],[22] 11.75%  
PIK Interest Rate [17],[22] 1.02%  
Acquisition date [17],[22] Aug. 02, 2021  
Maturity date [17],[22] Aug. 02, 2026  
Principal, Shares, Units [17],[22] 14,904,818  
Amortized cost [1],[17],[22] $ 14,774,010  
Fair value [2],[17],[22] $ 14,067,167  
Percentage of net assets [17],[22] 5.70%  
Investment, Identifier [Axis]: Trailer Park Group Holdings LLC Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13],[14] star:TrailerParkGroupHoldingsLLCWarrantsAndOtherEquitySecuritiesMember  
Investment, Significant Unobservable Input [true false] [13],[14] true  
Basis spread on variable rate [10],[13],[14] 0.00%  
Interest Rate [13],[14] 0.00%  
Principal, Shares, Units [13],[14] 37,594  
Amortized cost [1],[13],[14] $ 0  
Fair value [2],[13],[14] $ 75,127  
Percentage of net assets [13],[14] 0.00%  
Investment, Identifier [Axis]: Trailer Park Group Holdings, LLC Class A-1 Units Preferred Equity Securities Interest Rate 15.00% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13],[14] star:TrailerParkGroupHoldingsLLCClassA1UnitsPreferredEquitySecuritiesInterestRate1500PIKMember [21] star:TrailerParkGroupHoldingsLLCClassA1UnitsPreferredEquitySecuritiesInterestRate1500PIKMember
Investment, Significant Unobservable Input [true false] [13],[14] true [21] true
Basis spread on variable rate [10],[13],[14] 0.00% [21] 0.00%
PIK Interest Rate [13],[14] 15.00% [21] 15.00%
Acquisition date [13],[14] Dec. 19, 2023 [21] Dec. 19, 2023
Principal, Shares, Units [13],[14] 40,888 [21] 40,888
Amortized cost [1],[13],[14] $ 73,599 [21] $ 73,599
Fair value [2],[13],[14] $ 110,402 [21] $ 110,402
Percentage of net assets [13],[14] 0.00% [21] 0.00%
Investment, Identifier [Axis]: Transportation Infrastructure First Lien Senior Secured Term Loan    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:TransportationInfrastructureFirstLienSeniorSecuredTermLoanMember star:TransportationInfrastructureFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Transportation Infrastructure First Lien Senior Secured Term Loan Non-Affiliate Investments    
Investments [Abstract]    
Principal, Shares, Units 10,068,771 10,339,453
Amortized cost [1] $ 9,968,369 $ 10,193,719
Fair value [2] $ 10,028,496 $ 10,339,453
Percentage of net assets 4.10% 4.30%
Investment, Identifier [Axis]: UJP Acquisition, LLC (dba Uncle John's Pride) Preferred Equity Securities Interest Rate 8.00% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[13] star:WattContractingHoldingsLLCPreferredEquitySecuritiesInterestRate1500PIKMember [20],[21],[32] star:UJPAcquisitionLLCDbaUncleJohnSPridePreferredEquitySecuritiesInterestRate800PIKMember [19]
Investment, Significant Unobservable Input [true false] [13] true [20],[21],[32] true [19]
Basis spread on variable rate [10],[13] 0.00% [20],[21],[32] 0.00% [19]
PIK Interest Rate [13] 8.00% [20],[21],[32] 8.00% [19]
Acquisition date [13] Mar. 31, 2022 [20],[21],[32] Mar. 31, 2022 [19]
Principal, Shares, Units [13] 2,829,787 [20],[21],[32] 2,829,787 [19]
Amortized cost [1],[13] $ 2,829,787 [20],[21],[32] $ 2,829,787 [19]
Fair value [2],[13] $ 4,881,383 [20],[21],[32] $ 4,532,872 [19]
Percentage of net assets [13] 2.00% [20],[21],[32] 1.90% [19]
Investment, Identifier [Axis]: UJP Acquisition, LLC (dba Uncle John's Pride) Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14] star:UJPAcquisitionLLCDbaUncleJohnSPridePreferredEquitySecuritiesInterestRate800PIKMember [20],[21] star:UJPAcquisitionLLCDbaUncleJohnSPrideWarrantsAndOtherEquitySecuritiesMember [19]
Investment, Significant Unobservable Input [true false] [14] true [20],[21] true [19]
Basis spread on variable rate [10],[14] 0.00% [20],[21] 0.00% [19]
Interest Rate [14] 0.00% [20],[21] 0.00% [19]
Acquisition date [14] Mar. 31, 2022 [20],[21] Mar. 31, 2022 [19]
Principal, Shares, Units [14] 127,215 [20],[21] 127,215 [19]
Amortized cost [1],[14] $ 0 [20],[21] $ 0 [19]
Fair value [2],[14] $ 26,715 [20],[21] $ 76,329 [19]
Percentage of net assets [14] 0.00% [20],[21] 0.00% [19]
Investment, Identifier [Axis]: USBid Inc. First Lien Senior Secured Term Loan SOFR Spread 7.26% Interest Rate 11.57% Due 11/3/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[19],[22]   star:USBidIncFirstLienSeniorSecuredTermLoanSOFRSpread726InterestRate1157Due1132027Member
Investment, Significant Unobservable Input [true false] [7],[19],[22]   true
Basis spread on variable rate [7],[10],[19],[22]   7.26%
Interest Rate [7],[19],[22]   11.57%
Acquisition date [7],[19],[22]   Nov. 03, 2022
Maturity date [7],[19],[22]   Nov. 03, 2027
Principal, Shares, Units [7],[19],[22]   2,484,904
Amortized cost [1],[7],[19],[22]   $ 2,450,388
Fair value [2],[7],[19],[22]   $ 2,240,638
Percentage of net assets [7],[19],[22]   0.90%
Investment, Identifier [Axis]: USBid Inc. First Lien Senior Secured Term Loan SOFR Spread 7.26% Interest Rate 12.84% Due 11/3/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17],[20],[22] star:USBidIncFirstLienSeniorSecuredTermLoanSOFRSpread726InterestRate1284Due1132027Member  
Investment, Significant Unobservable Input [true false] [17],[20],[22] true  
Basis spread on variable rate [10],[17],[20],[22] 7.26%  
Interest Rate [17],[20],[22] 12.84%  
Acquisition date [17],[20],[22] Nov. 03, 2022  
Maturity date [17],[20],[22] Nov. 03, 2027  
Principal, Shares, Units [17],[20],[22] 2,648,797  
Amortized cost [1],[17],[20],[22] $ 2,621,443  
Fair value [2],[17],[20],[22] $ 2,506,556  
Percentage of net assets [17],[20],[22] 1.00%  
Investment, Identifier [Axis]: USBid Parent LLC - Class A Units Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[20] star:USBidParentLLCClassAUnitsPreferredEquitySecuritiesMember  
Investment, Significant Unobservable Input [true false] [20] true  
Basis spread on variable rate [10],[20] 0.00%  
Interest Rate [20] 0.00%  
Acquisition date [20] Nov. 03, 2022  
Principal, Shares, Units [20] 2,813  
Amortized cost [1],[20] $ 2,812,500  
Fair value [2],[20] $ 0  
Percentage of net assets [20] 0.00%  
Investment, Identifier [Axis]: USBid Parent, LLC - Class A Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[19]   star:USBidParentLLCClassAPreferredEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] [19]   true
Basis spread on variable rate [10],[19]   0.00%
Interest Rate [19]   0.00%
Acquisition date [19]   Nov. 03, 2022
Principal, Shares, Units [19]   2,813
Amortized cost [1],[19]   $ 2,812,500
Fair value [2],[19]   $ 0
Percentage of net assets [19]   0.00%
Investment, Identifier [Axis]: USBid Parent, LLC - Class C Preferred Equity Securities Interest 10.00% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[19]   star:USBidParentLLCClassCPreferredEquitySecuritiesInterest1000PIKMember
Investment, Significant Unobservable Input [true false] [19]   true
Basis spread on variable rate [10],[19]   0.00%
PIK Interest Rate [19]   10.00%
Acquisition date [19]   Nov. 02, 2023
Principal, Shares, Units [19]   3,009,375
Amortized cost [1],[19]   $ 2,351,074
Fair value [2],[19]   $ 936,000
Percentage of net assets [19]   0.40%
Investment, Identifier [Axis]: USBid Parent, LLC - Class C Units Preferred Equity Securities Interest 10.00% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[20] star:USBidParentLLCClassCUnitsPreferredEquitySecuritiesInterest1000PIKMember  
Investment, Significant Unobservable Input [true false] [20] true  
Basis spread on variable rate [10],[20] 0.00%  
PIK Interest Rate [20] 10.00%  
Acquisition date [20] Nov. 02, 2023  
Principal, Shares, Units [20] 9,375  
Amortized cost [1],[20] $ 7,324  
Fair value [2],[20] $ 0  
Percentage of net assets [20] 0.00%  
Investment, Identifier [Axis]: USBid Parent, LLC - Class C2 Preferred Equity Securities Interest 10.00% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[20] star:USBidParentLLCClassC2PreferredEquitySecuritiesInterest1000PIKMember  
Investment, Significant Unobservable Input [true false] [20] true  
Basis spread on variable rate [10],[20] 0.00%  
PIK Interest Rate [20] 10.00%  
Acquisition date [20] Apr. 12, 2024  
Principal, Shares, Units [20] 600,000  
Amortized cost [1],[20] $ 468,750  
Fair value [2],[20] $ 528,000  
Percentage of net assets [20] 0.20%  
Investment, Identifier [Axis]: USBid Parent, LLC - Class C3 Preferred Equity Securities Interest 10.00% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[20] star:USBidParentLLCClassC3PreferredEquitySecuritiesInterest1000PIKMember  
Investment, Significant Unobservable Input [true false] [20] true  
Basis spread on variable rate [10],[20] 0.00%  
PIK Interest Rate [20] 10.00%  
Acquisition date [20] Apr. 12, 2024  
Principal, Shares, Units [20] 2,400,000  
Amortized cost [1],[20] $ 1,875,000  
Fair value [2],[20] $ 951,563  
Percentage of net assets [20] 0.40%  
Investment, Identifier [Axis]: USBid Parent, LLC Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9] star:USBidParentLLCWarrantsAndOtherEquitySecuritiesMember [20] star:USBidParentLLCWarrantsAndOtherEquitySecuritiesMember [19]
Investment, Significant Unobservable Input [true false] true [20] true [19]
Basis spread on variable rate [10] 0.00% [20] 0.00% [19]
Interest Rate 0.00% [20] 0.00% [19]
Acquisition date Nov. 03, 2022 [20] Nov. 03, 2022 [19]
Principal, Shares, Units 204 [20] 204 [19]
Amortized cost [1] $ 0 [20] $ 0 [19]
Fair value [2] $ 0 [20] $ 0 [19]
Percentage of net assets 0.00% [20] 0.00% [19]
Investment, Identifier [Axis]: Uncle John's Pride, LLC First Lien Senior Secured Term Loan 1M SOFR Spread 8.11% Interest Rate 12.43% Due 3/31/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[11],[20] star:UncleJohnSPrideLLCFirstLienSeniorSecuredTermLoan1MSOFRSpread811InterestRate1243Due3312027Member  
Investment, Significant Unobservable Input [true false] [11],[20] true  
Basis spread on variable rate term [10],[11],[20] 1 month  
Basis spread on variable rate [10],[11],[20] 8.11%  
Interest Rate [11],[20] 12.43%  
Acquisition date [11],[20] Mar. 31, 2022  
Maturity date [11],[20] Mar. 31, 2027  
Principal, Shares, Units [11],[20] 1,749,626  
Amortized cost [1],[11],[20] $ 1,749,626  
Fair value [2],[11],[20] $ 1,767,123  
Percentage of net assets [11],[20] 0.70%  
Investment, Identifier [Axis]: Uncle John's Pride, LLC First Lien Senior Secured Term Loan SOFR Spread 10.11% Interest Rate 14.40% Due 3/31/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[11],[20] star:UncleJohnSPrideLLCFirstLienSeniorSecuredTermLoanSOFRSpread1011InterestRate1440Due3312027Member  
Investment, Significant Unobservable Input [true false] [11],[20] true  
Basis spread on variable rate [10],[11],[20] 10.11%  
Interest Rate [11],[20] 12.43%  
Acquisition date [11],[20] Mar. 31, 2022  
Maturity date [11],[20] Mar. 31, 2027  
Principal, Shares, Units [11],[20] 5,143,768  
Amortized cost [1],[11],[20] $ 5,082,121  
Fair value [2],[11],[20] $ 5,195,206  
Percentage of net assets [11],[20] 2.10%  
Investment, Identifier [Axis]: Uncle John's Pride, LLC First Lien Senior Secured Term Loan SOFR Spread 10.11% Interest Rate 14.44% Due 3/31/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[12],[19]   star:UncleJohnSPrideLLCFirstLienSeniorSecuredTermLoanSOFRSpread1011InterestRate1444Due3312027Member
Investment, Significant Unobservable Input [true false] [12],[19]   true
Basis spread on variable rate [10],[12],[19]   10.11%
Interest Rate [12],[19]   14.44%
Acquisition date [12],[19]   Mar. 31, 2022
Maturity date [12],[19]   Mar. 31, 2027
Principal, Shares, Units [12],[19]   6,930,002
Amortized cost [1],[12],[19]   $ 6,832,506
Fair value [2],[12],[19]   $ 6,999,302
Percentage of net assets [12],[19]   2.90%
Investment, Identifier [Axis]: Versar Inc. First Lien Senior Secured Term Loan 3M SOFR Spread 9.66% Interest Rate 14.00% Due 8/4/2028    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17],[22] star:VersarIncFirstLienSeniorSecuredTermLoan3MSOFRSpread966InterestRate1400Due842028Member  
Investment, Significant Unobservable Input [true false] [17],[22] true  
Basis spread on variable rate term [10],[17],[22] 3 months  
Basis spread on variable rate [10],[17],[22] 9.66%  
Interest Rate [17],[22] 14.00%  
Acquisition date [17],[22] Aug. 04, 2023  
Maturity date [17],[22] Aug. 04, 2028  
Principal, Shares, Units [17],[22] 10,000,000  
Amortized cost [1],[17],[22] $ 9,719,563  
Fair value [2],[17],[22] $ 10,046,500  
Percentage of net assets [17],[22] 4.10%  
Investment, Identifier [Axis]: Versar Inc. First Lien Senior Secured Term Loan SOFR Spread 8.10% Interest Rate 12.41% Due 8/4/2028    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[22]   star:VersarIncFirstLienSeniorSecuredTermLoanSOFRSpread810InterestRate1241Due842028Member
Investment, Significant Unobservable Input [true false] [7],[22]   true
Basis spread on variable rate [7],[10],[22]   8.10%
Interest Rate [7],[22]   12.41%
Acquisition date [7],[22]   Aug. 04, 2023
Maturity date [7],[22]   Aug. 04, 2028
Principal, Shares, Units [7],[22]   10,000,000
Amortized cost [1],[7],[22]   $ 9,658,174
Fair value [2],[7],[22]   $ 9,996,000
Percentage of net assets [7],[22]   4.20%
Investment, Identifier [Axis]: Vertical Mechanical Group Holdings, LLC Preferred Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14]   star:VerticalMechanicalGroupHoldingsLLCPreferredEquitySecuritiesMember
Investment, Significant Unobservable Input [true false] [14]   true
Basis spread on variable rate [10],[14]   0.00%
Interest Rate [14]   0.00%
Acquisition date [14]   May 12, 2023
Principal, Shares, Units [14]   185,714
Amortized cost [1],[14]   $ 1,857,143
Fair value [2],[14]   $ 4,828,571
Percentage of net assets [14]   2.00%
Investment, Identifier [Axis]: Vertical Mechanical Group Holdings, LLC Preferred Equity Securities Interest Rate 8.00% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14] star:VerticalMechanicalGroupHoldingsLLCPreferredEquitySecuritiesInterestRate800PIKMember  
Investment, Significant Unobservable Input [true false] [14] true  
Basis spread on variable rate [10],[14] 0.00%  
PIK Interest Rate [14] 8.00%  
Acquisition date [14] May 12, 2023  
Principal, Shares, Units [14] 1,857,143  
Amortized cost [1],[14] $ 1,857,143  
Fair value [2],[14] $ 5,112,714  
Percentage of net assets [14] 2.10%  
Investment, Identifier [Axis]: Vertical Mechanical Group, LLC First Lien Senior Secured Term Loan 3M SOFR Spread 9.22% Interest Rate 13.56% Due 5/12/2028    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17],[22] star:VerticalMechanicalGroupLLCFirstLienSeniorSecuredTermLoan3MSOFRSpread922InterestRate1356Due5122028Member  
Investment, Significant Unobservable Input [true false] [17],[22] true  
Basis spread on variable rate term [10],[17],[22] 3 months  
Basis spread on variable rate [10],[17],[22] 9.22%  
Interest Rate [17],[22] 13.56%  
Acquisition date [17],[22] May 12, 2023  
Maturity date [17],[22] May 12, 2028  
Principal, Shares, Units [17],[22] 7,428,571  
Amortized cost [1],[17],[22] $ 7,270,020  
Fair value [2],[17],[22] $ 7,396,629  
Percentage of net assets [17],[22] 3.00%  
Investment, Identifier [Axis]: Vertical Mechanical Group, LLC First Lien Senior Secured Term Loan SOFR Spread 7.76% Interest Rate 12.07% Due 5/12/2028    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[22]   star:VerticalMechanicalGroupLLCFirstLienSeniorSecuredTermLoanSOFRSpread776InterestRate1207Due5122028Member
Investment, Significant Unobservable Input [true false] [7],[22]   true
Basis spread on variable rate [7],[10],[22]   7.76%
Interest Rate [7],[22]   12.07%
Acquisition date [7],[22]   May 12, 2023
Maturity date [7],[22]   May 12, 2028
Principal, Shares, Units [7],[22]   7,428,571
Amortized cost [1],[7],[22]   $ 7,234,557
Fair value [2],[7],[22]   $ 7,428,571
Percentage of net assets [7],[22]   3.10%
Investment, Identifier [Axis]: Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Type [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[32] Warrants and Other Equity Securities [Member] [25] Warrants and Other Equity Securities [Member] [29]
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[25],[32] Warrants and Other Equity Securities [Member]  
Investment, Identifier [Axis]: Warrants and Other Equity Securities Controlled Investments    
Investments [Abstract]    
Amortized cost [1] $ 443,392 $ 443,392
Fair value [2] $ 26,715 $ 76,329
Percentage of net assets 0.00% 0.00%
Investment, Identifier [Axis]: Warrants and Other Equity Securities Non-Affiliate Investments    
Investments [Abstract]    
Amortized cost [1] $ 2,214,686 $ 3,154,635
Fair value [2] $ 6,191,126 $ 7,350,048
Percentage of net assets 2.30% 3.20%
Investment, Identifier [Axis]: Watt Acquisition, LLC First Lien Senior Secured Term Loan SOFR Spread 14.25% Interest Rate 12.99% Cash Plus 5.57% PIK Due 4/15/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[7],[8],[9],[19],[22]   star:WattAcquisitionLLCFirstLienSeniorSecuredTermLoanSOFRSpread1425InterestRate1299CashPlus557PIKDue4152027Member
Investment, Significant Unobservable Input [true false] [7],[19],[22]   true
Basis spread on variable rate [7],[10],[19],[22]   14.25%
Interest Rate [7],[19],[22]   12.99%
PIK Interest Rate [7],[19],[22]   5.57%
Acquisition date [7],[19],[22]   Apr. 15, 2022
Maturity date [7],[19],[22]   Apr. 15, 2027
Principal, Shares, Units [7],[19],[22]   2,574,092
Amortized cost [1],[7],[19],[22]   $ 2,548,389
Fair value [2],[7],[19],[22]   $ 2,430,200
Percentage of net assets [7],[19],[22]   1.00%
Investment, Identifier [Axis]: Watt Acquisition, LLC First Lien Senior Secured Term Loan SOFR Spread 8.68% Interest Rate 12.97% Cash Plus 5.57% PIK Due 4/15/2027    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[17],[20],[22] star:WattAcquisitionLLCFirstLienSeniorSecuredTermLoanSOFRSpread868InterestRate1297CashPlus557PIKDue4152027Member  
Investment, Significant Unobservable Input [true false] [17],[20],[22] true  
Basis spread on variable rate [10],[17],[20],[22] 8.68%  
Interest Rate [17],[20],[22] 13.03%  
PIK Interest Rate [17],[20],[22] 5.60%  
Acquisition date [17],[20],[22] Apr. 15, 2022  
Maturity date [17],[20],[22] Apr. 15, 2027  
Principal, Shares, Units [17],[20],[22] 1,579,986  
Amortized cost [1],[17],[20],[22] $ 1,567,585  
Fair value [2],[17],[20],[22] $ 1,565,608  
Percentage of net assets [17],[20],[22] 0.60%  
Investment, Identifier [Axis]: Watt Contracting Holdings, LLC Preferred Equity Securities Interest Rate 15.00% PIK    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14] star:WattContractingHoldingsLLCPreferredEquitySecuritiesInterestRate1500PIKMember [20],[21] star:WattContractingHoldingsLLCPreferredEquitySecuritiesInterestRate1500PIKMember [19]
Investment, Significant Unobservable Input [true false] [14] true [20],[21] true [19]
Basis spread on variable rate [10],[14] 0.00% [20],[21] 0.00% [19]
PIK Interest Rate [14] 15.00% [20],[21] 15.00% [19]
Acquisition date [14] Apr. 15, 2022 [20],[21] Apr. 15, 2022 [19]
Principal, Shares, Units [14] 4,439 [20],[21] 3,375 [19]
Amortized cost [1],[14] $ 4,380,196 [20],[21] $ 3,316,130 [19]
Fair value [2],[14] $ 4,777,416 [20],[21] $ 3,519,772 [19]
Percentage of net assets [14] 1.90% [20],[21] 1.50% [19]
Investment, Identifier [Axis]: Watt Contracting Holdings, LLC Warrants and Other Equity Securities    
Investments [Abstract]    
Investment, Issuer Name [Extensible Enumeration] [3],[4],[5],[6],[8],[9],[14] star:WattContractingHoldingsLLCWarrantsAndOtherEquitySecuritiesMember [20] star:WattContractingHoldingsLLCWarrantsAndOtherEquitySecuritiesMember [19]
Investment, Significant Unobservable Input [true false] [14] true [20] true [19]
Basis spread on variable rate [10],[14] 0.00% [20] 0.00% [19]
Interest Rate [14] 0.00% [20] 0.00% [19]
Acquisition date [14] Apr. 15, 2022 [20] Apr. 15, 2022 [19]
Principal, Shares, Units [14] 295 [20] 295 [19]
Amortized cost [1],[14] $ 0 [20] $ 0 [19]
Fair value [2],[14] $ 0 [20] $ 0 [19]
Percentage of net assets [14] 0.00% [20] 0.00% [19]
[1] The amortized cost represents the original cost adjusted for the amortization of discounts and premiums, as applicable, on debt investments using the effective interest method.
[2] Because there is no readily available market value for these investments, the fair value of each of these investments is determined in good faith using significant unobservable inputs by the Company’s board of directors (the “Board”) as required by the 1940 Act. See Note 4 “Fair Value Measurements” in the accompanying notes to the consolidated financial statements.
[3] All investments are co-investments made with the Company’s affiliates in accordance with the terms of the exemptive relief that the Company received from the U.S. Securities and Exchange Commission (the “SEC”), unless otherwise noted. See Note 6 “Transactions with Related Parties” in the accompanying notes to the consolidated financial statements.
[4] All investments are non-controlled/non-affiliated investments as defined by the 1940 Act, unless otherwise noted. The 1940 Act classifies investments based on the level of control that the Company maintains in a particular portfolio company.
[5] All of the Company’s investments are issued by eligible portfolio companies, as defined in the Investment Company Act of 1940 (the “1940 Act”), unless otherwise noted. All of the Company’s investments are issued by U.S. portfolio companies unless otherwise noted.
[6] Except as otherwise noted, all of the Company’s portfolio company investments are subject to legal restrictions on sales.
[7] The interest rate on these loans is subject to 3 month SOFR, which was 4.31% as of December 31, 2024.
[8] Unless otherwise indicated, all investments are considered Level 3 assets.
[9] Unless otherwise indicated, the Company’s portfolio companies are pledged as collateral supporting the amounts outstanding under the Secured Credit Facility (as defined herein).
[10] Loan contains a variable rate structure and may be subject to an interest rate floor. Variable rate loans bear interest at a rate that may be determined by reference to either the Secured Overnight Financing Rate (“SOFR” or “S”) or an alternate base rate which can include the Federal Funds Effective Rate or the Prime Rate, at the borrower’s option, and which reset periodically based on the terms of the loan agreement. Interest rates subject to SOFR are typically accompanied by a Credit Spread Adjustment (“CSA”).
[11] The interest rate on these loans is subject to 1 month SOFR, which was 4.32% as of June 30, 2025.
[12] The interest rate on these loans is subject to 1 month SOFR, which was 4.33% as of December 31, 2024.
[13] Investment contains a fixed rate structure.
[14] Investment is held by a subsidiary of the Company. See Note 2 in the accompanying notes to the consolidated financial statements for additional information on the Company’s wholly-owned subsidiary.
[15] The investment includes the fair value and amortized cost of 1,015 shares of common equity issued in conjunction with the preferred equity.
[16] Positions have an aggregate unfunded commitment of $13,182,566 in addition to the amounts shown in the Consolidated Schedule of Investments. See Note 11 “Commitments, Contingencies and Risks” in the accompanying notes to the consolidated financial statements.
[17] The interest rate on these loans is subject to 3 month SOFR, which was 4.34% as of June 30, 2025.
[18] Positions have an aggregate unfunded commitment of $21,455,258 in addition to the amounts shown in the Consolidated Schedule of Investments. See Note 11 “Commitments, Contingencies and Risks” in the accompanying notes to the consolidated financial statements.
[19] As defined in the 1940 Act, the Company is deemed to be both an “Affiliated Person” and may have “Control” of this portfolio company as the Company and/or its affiliated funds collectively owns more than 25% of the portfolio company’s outstanding voting securities or has the power to exercise control over management or policies of such portfolio company (including through a management agreement). The Company’s investment in affiliates for the year ended December 31, 2024 were Arrow Home Health, LLC and Caregility Corporation which represented $50,680,798 of Fair Value and 20.5% of Net Assets of the Company. Transactions related to investments in “Controlled/Affiliate Investments” for the year ended December 31, 2024 were as follows:
[20] As defined in the 1940 Act, the Company is deemed to be both an “Affiliated Person” and may have “Control” of this portfolio company as the Company and/or its affiliated funds collectively owns more than 25% of the portfolio company’s outstanding voting securities or has the power to exercise control over management or policies of such portfolio company (including through a management agreement). The Company’s investments in affiliates for the six months ended June 30, 2025 were Arrow Home Health, LLC, Caregility Corporation, LaSalle Staffing, LLC, Microf, LLC, Uncle John’s Pride, LLC, USBid Inc, MPUSA LLC and Watt Acquisition, LLC which represented $52,490,572 of Fair Value and 21.4% of Net Assets of the Company. Transactions related to investments in “Controlled/Affiliate Investments” for the six months ended June 30, 2025 were as follows:
[21] The Company has determined the indicated investments are non-qualifying assets under Section 55(a) of the Investment Company Act. Under the Investment Company Act, the Company may not acquire any non-qualifying assets unless, at the time such acquisition is made, qualifying assets represent at least 70% of the Company’s total assets.
[22] The Company categorized its unitranche loans as First Lien Senior Secured Loans. The First Lien Senior Secured Loan is comprised of two components: a first out tranche (“First Out”) and last out tranche (“Last Out”). The Company syndicates the First Out tranche and retains the Last Out tranche. The First Out and Last Out tranches have the same maturity date. Interest disclosed reflects the contractual rate of First Lien Senior Secured Loan. The First Out tranche has priority as to the Last Out tranche with respect to payments of principal, interest and any amounts due thereunder. The Company may be entitled to receive additional interest as a result of the Agreement Among Lenders (“AAL”) entered into with the First Out lender. In exchange for the higher interest rate, the Last Out portion is at a greater risk of loss.
[23] Maturity date is under on-going negotiations with the portfolio company and other lenders, as applicable.
[24] The investment is on non-accrual status. See Note 2. “Significant Accounting Policies”.
[25] All investments are non-income producing unless otherwise indicated.
[26] The investment does not accrue PIK for the debt or equity investment as of December 31, 2024. See Note 2 “Significant Accounting Policies”.
[27] The Company has received 46 units of incentive shares which have no Cost or Fair Value as of June 30, 2025.
[28] The Company has received 46 units of incentive shares which have no Cost or Fair Value as of December 31, 2024.
[29] Maturity date is under on-going negotiations with the portfolio company and other lenders as of December 31, 2024, as applicable.
[30] The investment does not accrue payment-in-kind (“PIK”) for the debt investment as of June 30, 2025. See Note 2. “Significant Accounting Policies”.
[31] Interest disclosed reflects the contractual rate of the First Out tranche under the AAL.
[32] Ownership of certain equity investments may occur through a holding company or partnership.