Schedule of Investments - USD ($)		12 Months Ended
		Dec. 31, 2025		Dec. 31, 2024
Investments [Abstract]
Amortized cost	[1]	$ 387,006,204		$ 378,175,594	[2]
Fair value	[3]	$ 375,043,745		$ 377,640,318	[2]
Percentage of net assets		158.10%		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]	[4],[5],[6],[7],[8],[9],[10]			star:NursesStaffingLLCDbaNurses247FirstLienSeniorSecuredTermLoanSOFRSpread700CashPlus300PIKInterestRate1131CashPlus300PIKDue8262028Member
Investment, Significant Unobservable Input [true false]	[8]			true
Basis spread on variable rate	[8],[11]			7.00%
Paid in Kind Basis Spread Variable Rate	[8],[11]			3.00%
Interest Rate	[8]			11.31%
PIK Interest Rate	[8]			3.00%
Acquisition date	[8]			May 26, 2023
Maturity date	[8]			Aug. 26, 2028
Principal, Shares, Units	[8]			5,787,937
Amortized cost	[1],[8]			$ 5,684,377
Fair value	[3],[8]			$ 5,665,232
Percentage of net assets	[8]			2.40%
Investment, Identifier [Axis]: 48forty Intermediate Holdings, Inc. First Lien Senior Secured Term Loan SOFR Spread 5.10% PIK Plus 2.00% Cash Interest Rate 9.43% PIK Plus 2.00% Cash Due 11/30/2029
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[12]			star:Four8fortyIntermediateHoldingsIncFirstLienSeniorSecuredTermLoanSOFRSpread510PIKPlus200CashInterestRate943PIKPlus200CashDue11302029Member
Investment, Significant Unobservable Input [true false]	[12]			true
Basis spread on variable rate	[11],[12]			2.00%
Paid in Kind Basis Spread Variable Rate	[11],[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	[3],[12]			$ 13,163,459
Percentage of net assets	[12]			5.50%
Investment, Identifier [Axis]: 48forty Intermediate Holdings, Inc. First Lien Senior Secured Term Loan SOFR Spread 6.15% Interest Rate 9.84% Due 11/30/2029
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[13],[14]	star:Four8fortyIntermediateHoldingsIncFirstLienSeniorSecuredTermLoanSOFRSpread615InterestRate984Due11302029Member
Investment, Significant Unobservable Input [true false]	[13],[14]	true
Basis spread on variable rate	[11],[13],[14]	6.15%
Interest Rate	[13],[14]	9.84%
Acquisition date	[13],[14]	Oct. 11, 2022
Maturity date	[13],[14]	Nov. 30, 2029
Principal, Shares, Units	[13],[14]	15,221,270
Amortized cost	[1],[13],[14]	$ 14,822,272
Fair value	[3],[13],[14]	$ 7,300,311
Percentage of net assets	[13],[14]	3.10%
Investment, Identifier [Axis]: 48forty Intermediate Holdings, Inc. Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[14],[15]	star:Four8fortyIntermediateHoldingsIncWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[14],[15]	true
Basis spread on variable rate	[11],[14],[15]	0.00%
Interest Rate	[14],[15]	0.00%
Acquisition date	[14],[15]	Oct. 11, 2022
Principal, Shares, Units	[14],[15]	1,994
Amortized cost	[1],[14],[15]	$ 0
Fair value	[3],[14],[15]	$ 0
Percentage of net assets	[14],[15]	0.00%
Investment, Identifier [Axis]: Aerospace & Defense First Lien Senior Secured Term Loan
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:AerospaceDefenseFirstLienSeniorSecuredTermLoanMember		star:AerospaceDefenseFirstLienSeniorSecuredTermLoanMember
Principal, Shares, Units		901,698
Amortized cost	[1]	$ 901,698
Fair value	[3]	$ 850,931
Percentage of net assets		0.40%
Investment, Identifier [Axis]: Aerospace & Defense Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:AerospaceDefensePreferredEquitySecuritiesMember
Investment, Identifier [Axis]: Aerospace & Defense Preferred Equity Securities Controlled Investments
Investments [Abstract]
Principal, Shares, Units		1,636
Amortized cost	[1]	$ 7,679,427
Fair value	[3]	$ 7,905,825
Percentage of net assets		3.40%
Investment, Identifier [Axis]: Aerospace & Defense Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:AerospaceDefenseWarrantsAndOtherEquitySecuritiesMember		star:AerospaceDefenseWarrantsAndOtherEquitySecuritiesMember
Investment, Identifier [Axis]: Aerospace & Defense Warrants and Other Equity Securities Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units				1,354
Amortized cost	[1]			$ 142,485
Fair value	[3]			$ 32,148
Percentage of net assets				0.00%
Investment, Identifier [Axis]: Aerospace Defense First Lien Senior Secured Term Loan Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		745,414		8,980,890
Amortized cost	[1]	$ 745,414		$ 8,776,295
Fair value	[3]	$ 0		$ 8,071,431
Percentage of net assets		0.00%		3.40%
Investment, Identifier [Axis]: Ambient Enterprises Holdco LLC First Lien Senior Secured Term Loan SOFR Spread 5.25% Interest Rate 8.90% Due 6/30/2030
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[16],[17]	star:AmbientEnterprisesHoldcoLLCFirstLienSeniorSecuredTermLoanSOFRSpread525InterestRate890Due6302030Member
Investment, Significant Unobservable Input [true false]	[16],[17]	true
Basis spread on variable rate	[11],[16],[17]	5.25%
Interest Rate	[16],[17]	8.90%
Acquisition date	[16],[17]	Dec. 31, 2024
Maturity date	[16],[17]	Jun. 30, 2030
Principal, Shares, Units	[16],[17]	1,256,546
Amortized cost	[1],[16],[17]	$ 1,256,546
Fair value	[3],[16],[17]	$ 1,256,546
Percentage of net assets	[16],[17]	0.50%
Investment, Identifier [Axis]: Ambient Enterprises Holdco LLC First Lien Senior Secured Term Loan SOFR Spread 5.25% Interest Rate 8.90% Due 6/30/2030, Five
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[16],[17]	star:AmbientEnterprisesHoldcoLLCFirstLienSeniorSecuredTermLoanSOFRSpread525InterestRate890Due6302030FiveMember
Investment, Significant Unobservable Input [true false]	[16],[17]	true
Basis spread on variable rate	[11],[16],[17]	5.25%
Interest Rate	[16],[17]	8.90%
Acquisition date	[16],[17]	Jul. 03, 2025
Maturity date	[16],[17]	Jun. 30, 2030
Principal, Shares, Units	[16],[17]	165,521
Amortized cost	[1],[16],[17]	$ 165,521
Fair value	[3],[16],[17]	$ 165,521
Percentage of net assets	[16],[17]	0.10%
Investment, Identifier [Axis]: Ambient Enterprises Holdco LLC First Lien Senior Secured Term Loan SOFR Spread 5.25% Interest Rate 8.90% Due 6/30/2030, Four
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[16],[17]	star:AmbientEnterprisesHoldcoLLCFirstLienSeniorSecuredTermLoanSOFRSpread525InterestRate890Due6302030FourMember
Investment, Significant Unobservable Input [true false]	[16],[17]	true
Basis spread on variable rate	[11],[16],[17]	5.25%
Interest Rate	[16],[17]	8.90%
Acquisition date	[16],[17]	Jul. 03, 2025
Maturity date	[16],[17]	Jun. 30, 2030
Principal, Shares, Units	[16],[17]	514,558
Amortized cost	[1],[16],[17]	$ 502,388
Fair value	[3],[16],[17]	$ 514,558
Percentage of net assets	[16],[17]	0.20%
Investment, Identifier [Axis]: Ambient Enterprises Holdco LLC First Lien Senior Secured Term Loan SOFR Spread 5.25% Interest Rate 8.90% Due 6/30/2030, One
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[16],[17]	star:AmbientEnterprisesHoldcoLLCFirstLienSeniorSecuredTermLoanSOFRSpread525InterestRate890Due6302030OneMember
Investment, Significant Unobservable Input [true false]	[16],[17]	true
Basis spread on variable rate	[11],[16],[17]	5.25%
Interest Rate	[16],[17]	8.90%
Acquisition date	[16],[17]	Oct. 31, 2025
Maturity date	[16],[17]	Jun. 30, 2030
Principal, Shares, Units	[16],[17]	418,203
Amortized cost	[1],[16],[17]	$ 412,167
Fair value	[3],[16],[17]	$ 418,203
Percentage of net assets	[16],[17]	0.20%
Investment, Identifier [Axis]: Ambient Enterprises Holdco LLC First Lien Senior Secured Term Loan SOFR Spread 5.25% Interest Rate 8.90% Due 6/30/2030, Three
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[16],[17]	star:AmbientEnterprisesHoldcoLLCFirstLienSeniorSecuredTermLoanSOFRSpread525InterestRate890Due6302030ThreeMember
Investment, Significant Unobservable Input [true false]	[16],[17]	true
Basis spread on variable rate	[11],[16],[17]	5.25%
Interest Rate	[16],[17]	8.90%
Acquisition date	[16],[17]	Dec. 31, 2024
Maturity date	[16],[17]	Jun. 30, 2030
Principal, Shares, Units	[16],[17]	1,771,299
Amortized cost	[1],[16],[17]	$ 1,746,933
Fair value	[3],[16],[17]	$ 1,771,299
Percentage of net assets	[16],[17]	0.70%
Investment, Identifier [Axis]: Ambient Enterprises Holdco LLC First Lien Senior Secured Term Loan SOFR Spread 5.25% Interest Rate 8.90% Due 6/30/2030, Two
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[16],[17]	star:AmbientEnterprisesHoldcoLLCFirstLienSeniorSecuredTermLoanSOFRSpread525InterestRate890Due6302030TwoMember
Investment, Significant Unobservable Input [true false]	[16],[17]	true
Basis spread on variable rate	[11],[16],[17]	5.25%
Interest Rate	[16],[17]	8.90%
Acquisition date	[16],[17]	Dec. 31, 2024
Maturity date	[16],[17]	Jun. 30, 2030
Principal, Shares, Units	[16],[17]	6,372,503
Amortized cost	[1],[16],[17]	$ 6,282,393
Fair value	[3],[16],[17]	$ 6,367,431
Percentage of net assets	[16],[17]	2.70%
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]	[4],[5],[6],[7],[8],[9],[10],[18]			star:AmbientEnterprisesHoldcoLLCFirstLienSeniorSecuredTermLoanSOFRSpread575InterestRate1007Due6302030Member
Investment, Significant Unobservable Input [true false]	[8],[18]			true
Basis spread on variable rate	[8],[11],[18]			5.75%
Interest Rate	[8],[18]			10.07%
Acquisition date	[8],[18]			Dec. 31, 2024
Maturity date	[8],[18]			Jun. 30, 2030
Principal, Shares, Units	[8],[18]			6,436,872
Amortized cost	[1],[8],[18]			$ 6,327,097
Fair value	[3],[8],[18]			$ 6,327,097
Percentage of net assets	[8],[18]			2.60%
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]	[4],[5],[6],[7],[8],[9],[10],[18]			star:AmbientEnterprisesHoldcoLLCFirstLienSeniorSecuredTermLoanSOFRSpread575InterestRate1007Due6302030OneMember
Investment, Significant Unobservable Input [true false]	[8],[18]			true
Basis spread on variable rate	[8],[11],[18]			5.75%
Interest Rate	[8],[18]			10.07%
Acquisition date	[8],[18]			Dec. 31, 2024
Maturity date	[8],[18]			Jun. 30, 2030
Principal, Shares, Units	[8],[18]			1,789,397
Amortized cost	[1],[8],[18]			$ 1,758,861
Fair value	[3],[8],[18]			$ 1,758,861
Percentage of net assets	[8],[18]			0.70%
Investment, Identifier [Axis]: Arrow Home Health, LLC (dba Acara Home Health) - Class 1 Units Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10],[20]	star:ArrowHomeHealthLLCDbaAcaraHomeHealthClass1UnitsPreferredEquitySecuritiesMember	[15],[19]	star:ArrowHomeHealthLLCDbaAcaraHomeHealthClass1UnitsPreferredEquitySecuritiesMember	[21]
Investment, Significant Unobservable Input [true false]	[2],[20]	true	[6],[15],[19]	true	[21]
Basis spread on variable rate	[2],[11],[20]	0.00%	[6],[15],[19]	0.00%	[21]
Interest Rate	[2],[20],[21]			0.00%
Preferred return	[2],[6],[15],[19],[20]	0.00%
Acquisition date	[2],[20]	Nov. 13, 2023	[6],[15],[19]	Nov. 13, 2023	[21]
Principal, Shares, Units	[2],[20]	56,005	[6],[15],[19]	56,005	[21]
Amortized cost	[1],[2],[20]	$ 56,005	[6],[15],[19]	$ 56,005	[21]
Fair value	[2],[3],[20]	$ 112,010	[6],[15],[19]	$ 112,010	[21]
Percentage of net assets	[2],[20]	0.00%	[6],[15],[19]	0.00%	[21]
Investment, Identifier [Axis]: Arrow Home Health, LLC (dba Acara Home Health) - Class A Units Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10],[21]			star:ArrowHomeHealthLLCDbaAcaraHomeHealthClassAUnitsPreferredEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[2],[21]			true
Basis spread on variable rate	[2],[11],[21]			0.00%
Interest Rate	[2],[21]			0.00%
Acquisition date	[2],[21]			Mar. 19, 2021
Principal, Shares, Units	[2],[21]			571,080
Amortized cost	[1],[2],[21]			$ 564,321
Fair value	[2],[3],[21]			$ 151,376
Percentage of net assets	[2],[21]			0.10%
Investment, Identifier [Axis]: Arrow Home Health, LLC (dba Acara Home Health) - Class A Units Preferred Equity Securities Interest Rate 10.00% Preferred Return
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10],[15],[19]	star:ArrowHomeHealthLLCDbaAcaraHomeHealthClassAUnitsPreferredEquitySecuritiesInterestRate1000PreferredReturnMember
Investment, Significant Unobservable Input [true false]	[2],[5],[15],[19]	true
Basis spread on variable rate	[2],[5],[11],[15],[19]	0.00%
Preferred return	[2],[5],[15],[19]	10.00%
Acquisition date	[2],[5],[15],[19]	Mar. 19, 2021
Principal, Shares, Units	[2],[5],[15],[19]	571,080
Amortized cost	[1],[2],[5],[15],[19]	$ 564,321
Fair value	[2],[3],[5],[15],[19]	$ 252,425
Percentage of net assets	[2],[5],[15],[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 12.15% Due 3/19/2026
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17],[19]	star:ArrowHomeHealthLLCDbaAcaraHomeHealthFirstLienSeniorSecuredTermLoanSOFRSpread850InterestRate1215Due3192026Member
Investment, Significant Unobservable Input [true false]	[6],[17],[19]	true
Basis spread on variable rate	[6],[11],[17],[19]	8.50%
Interest Rate	[6],[17],[19]	12.15%
Acquisition date	[6],[17],[19]	Mar. 19, 2021
Maturity date	[6],[17],[19]	Mar. 19, 2026
Principal, Shares, Units	[6],[17],[19]	789,190
Amortized cost	[1],[6],[17],[19]	$ 778,103
Fair value	[3],[6],[17],[19]	$ 764,370
Percentage of net assets	[6],[17],[19]	0.30%
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]	[4],[5],[6],[7],[8],[9],[10],[21]			star:ArrowHomeHealthLLCDbaAcaraHomeHealthFirstLienSeniorSecuredTermLoanSOFRSpread850InterestRate1281Due3192026Member
Investment, Significant Unobservable Input [true false]	[8],[21]			true
Basis spread on variable rate	[8],[11],[21]			8.50%
Interest Rate	[8],[21]			12.81%
Acquisition date	[8],[21]			Mar. 19, 2021
Maturity date	[8],[21]			Mar. 19, 2026
Principal, Shares, Units	[8],[21]			797,086
Amortized cost	[1],[8],[21]			$ 782,429
Fair value	[3],[8],[21]			$ 701,117
Percentage of net assets	[8],[21]			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]	[4],[5],[6],[7],[8],[9],[10],[22]			star:BBHHPlatformIncDbaPreferredCareHomeHealthFirstLienSeniorSecuredTermLoanSOFRSpread700CashPlus150PIKInterestRate1131CashPlus150PIKDue5162028Member
Investment, Significant Unobservable Input [true false]	[8],[22]			true
Basis spread on variable rate	[8],[11],[22]			7.00%
Paid in Kind Basis Spread Variable Rate	[8],[11],[22]			1.50%
Interest Rate	[8],[22]			11.31%
PIK Interest Rate	[8],[22]			1.50%
Acquisition date	[8],[22]			May 16, 2023
Maturity date	[8],[22]			May 16, 2028
Principal, Shares, Units	[8],[22]			6,791,230
Amortized cost	[1],[8],[22]			$ 6,694,095
Fair value	[3],[8],[22]			$ 6,791,230
Percentage of net assets	[8],[22]			2.80%
Investment, Identifier [Axis]: BB-HH Platform, Inc. (dba Preferred Care Home Health) First Lien Senior Secured Term Loan SOFR Spread 7.62% Cash Plus 1.79% PIK Interest Rate 11.27% Cash Plus 1.79% PIK Due 5/16/2028
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17],[22]	star:BBHHPlatformIncDbaPreferredCareHomeHealthFirstLienSeniorSecuredTermLoanSOFRSpread762CashPlus179PIKInterestRate1127CashPlus179PIKDue5162028Member
Investment, Significant Unobservable Input [true false]	[17],[22]	true
Basis spread on variable rate	[11],[17],[22]	7.62%
Paid in Kind Basis Spread Variable Rate	[11],[17],[22]	1.79%
Interest Rate	[17],[22]	11.27%
PIK Interest Rate	[17],[22]	1.79%
Acquisition date	[17],[22]	May 16, 2023
Maturity date	[17],[22]	May 16, 2028
Principal, Shares, Units	[17],[22]	6,916,484
Amortized cost	[1],[17],[22]	$ 6,815,782
Fair value	[3],[17],[22]	$ 6,916,484
Percentage of net assets	[17],[22]	2.90%
Investment, Identifier [Axis]: Building Products First Lien Senior Secured Term Loan
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:BuildingProductsFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Building Products First Lien Senior Secured Term Loan Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		1,883,561
Amortized cost	[1]	$ 1,841,720
Fair value	[3]	$ 1,841,720
Percentage of net assets		0.80%
Investment, Identifier [Axis]: Building Products Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:BuildingProductsPreferredEquitySecuritiesMember
Investment, Identifier [Axis]: Built by Grid, LLC First Lien Senior Secured Term Loan SOFR Spread 7.18% Interest Rate 10.83% Due 12/5/2030
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17],[22]	star:BuiltByGridLLCFirstLienSeniorSecuredTermLoanSOFRSpread718InterestRate1083Due1252030Member
Investment, Significant Unobservable Input [true false]	[17],[22]	true
Basis spread on variable rate	[11],[17],[22]	7.18%
Interest Rate	[17],[22]	10.83%
Acquisition date	[17],[22]	Dec. 05, 2025
Maturity date	[17],[22]	Dec. 05, 2030
Principal, Shares, Units	[17],[22]	1,883,561
Amortized cost	[1],[17],[22]	$ 1,841,720
Fair value	[3],[17],[22]	$ 1,841,720
Percentage of net assets	[17],[22]	0.80%
Investment, Identifier [Axis]: Built by Grid, LLC Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10],[15]	star:BuiltByGridLLCPreferredEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[2],[15]	true
Basis spread on variable rate	[2],[11],[15]	0.00%
Interest Rate	[2],[15]	0.00%
Acquisition date	[2],[15]	Dec. 05, 2025
Principal, Shares, Units	[2],[15]	214,378
Amortized cost	[1],[2],[15]	$ 214,378
Fair value	[2],[3],[15]	$ 214,378
Percentage of net assets	[2],[15]	0.10%
Investment, Identifier [Axis]: Built by Grid, LLC Preferred Equity Securities Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		214,378
Amortized cost	[1]	$ 214,378
Fair value	[3]	$ 214,378
Percentage of net assets		0.10%
Investment, Identifier [Axis]: CHG Parent Holding LLC (dba Coop Home Goods) First Lien Senior Secured Term Loan SOFR Spread 7.70% Interest Rate 11.35% Due 6/27/2026
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17],[22]	star:CHGParentHoldingLLCDbaCoopHomeGoodsFirstLienSeniorSecuredTermLoanSOFRSpread770InterestRate1135Due6272026Member
Investment, Significant Unobservable Input [true false]	[17],[22]	true
Basis spread on variable rate	[11],[17],[22]	7.70%
Interest Rate	[17],[22]	11.35%
Acquisition date	[17],[22]	Jun. 18, 2021
Maturity date	[17],[22]	Jun. 27, 2026
Principal, Shares, Units	[17],[22]	12,683,981
Amortized cost	[1],[17],[22]	$ 12,525,367
Fair value	[3],[17],[22]	$ 12,683,981
Percentage of net assets	[17],[22]	5.30%
Investment, Identifier [Axis]: CHG Parent Holding 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, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[8],[9],[10],[22]			star:CHGParentHoldingLLCDbaCoopHomeGoodsFirstLienSeniorSecuredTermLoanSOFRSpread826InterestRate1257Due6182026Member
Investment, Significant Unobservable Input [true false]	[8],[22]			true
Basis spread on variable rate	[8],[11],[22]			8.26%
Interest Rate	[8],[22]			12.57%
Acquisition date	[8],[22]			Jun. 18, 2021
Maturity date	[8],[22]			Jun. 18, 2026
Principal, Shares, Units	[8],[22]			4,373,103
Amortized cost	[1],[8],[22]			$ 4,339,971
Fair value	[3],[8],[22]			$ 4,373,103
Percentage of net assets	[8],[22]			1.80%
Investment, Identifier [Axis]: CHG Parent Holding LLC (dba Coop Home Goods) Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10]	star:CHGParentHoldingLLCDbaCoopHomeGoodsWarrantsAndOtherEquitySecuritiesMember	[15]	star:CHGParentHoldingLLCDbaCoopHomeGoodsWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[2]	true	[15]	true
Basis spread on variable rate	[2],[11]	0.00%	[15]	0.00%
Interest Rate	[2]	0.00%	[15]	0.00%
Acquisition date	[2]	Jun. 18, 2021	[15]	Jun. 18, 2021
Principal, Shares, Units	[2]	535,714	[15]	535,714
Amortized cost	[1],[2]	$ 535,714	[15]	$ 535,714
Fair value	[2],[3]	$ 1,150,000	[15]	$ 617,857
Percentage of net assets	[2]	0.50%	[15]	0.30%
Investment, Identifier [Axis]: CSIITLLC Dba Consulting Solutions First Lien Senior Secured Term Loan SOFR Spread1076 Interest Rate1507 Due1292026
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[8],[9],[10]			star:CSIITLLCDbaConsultingSolutionsFirstLienSeniorSecuredTermLoanSOFRSpread1076InterestRate1507Due1292026Member
Investment, Significant Unobservable Input [true false]	[8]			true
Basis spread on variable rate	[8],[11]			10.76%
Interest Rate	[8]			15.07%
Acquisition date	[8]			Jan. 29, 2021
Maturity date	[8]			Jan. 29, 2026
Principal, Shares, Units	[8]			12,558,929
Amortized cost	[1],[8]			$ 12,433,640
Fair value	[3],[8]			$ 12,558,929
Percentage of net assets	[8]			5.20%
Investment, Identifier [Axis]: Capone Holdings JV, LLC (dba LaSalle Staffing) Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10],[21]			star:CaponeHoldingsJVLLCDbaLaSalleStaffingPreferredEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[2],[21]			true
Basis spread on variable rate	[2],[11],[21]			0.00%
Interest Rate	[2],[21]			0.00%
Acquisition date	[2],[21]			Feb. 15, 2022
Principal, Shares, Units	[2],[21]			4,000,000
Amortized cost	[1],[2],[21]			$ 4,000,000
Fair value	[2],[3],[21]			$ 6,700,000
Percentage of net assets	[2],[21]			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]	[2],[4],[5],[6],[7],[9],[10],[15],[19]	star:CaponeHoldingsJVLLCDbaLaSalleStaffingPreferredEquitySecuritiesInterestRate800PreferredReturnMember
Investment, Significant Unobservable Input [true false]	[2],[5],[15],[19]	true
Basis spread on variable rate	[2],[5],[11],[15],[19]	0.00%
Preferred return	[2],[5],[15],[19]	8.00%
Acquisition date	[2],[5],[15],[19]	Feb. 15, 2022
Principal, Shares, Units	[2],[5],[15],[19]	4,000,000
Amortized cost	[1],[2],[5],[15],[19]	$ 4,000,000
Fair value	[2],[3],[5],[15],[19]	$ 6,093,333
Percentage of net assets	[2],[5],[15],[19]	2.60%
Investment, Identifier [Axis]: Caregility Corporation - Series A-1 Units Preferred Equity Securities Interest Rate 8.00% PIK
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[15],[19],[20]	star:CaregilityCorporationSeriesA1UnitsPreferredEquitySecuritiesInterestRate800PIKMember
Investment, Significant Unobservable Input [true false]	[6],[15],[19],[20]	true
Basis spread on variable rate	[6],[11],[15],[19],[20]	0.00%
PIK Interest Rate	[6],[15],[19],[20]	8.00%
Acquisition date	[6],[15],[19],[20]	Dec. 31, 2022
Principal, Shares, Units	[6],[15],[19],[20]	151,018
Amortized cost	[1],[6],[15],[19],[20]	$ 1,579,910
Fair value	[3],[6],[15],[19],[20]	$ 147,483
Percentage of net assets	[6],[15],[19],[20]	0.20%
Investment, Identifier [Axis]: Caregility Corporation - Series A-2 Units Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[15],[19],[20]	star:CaregilityCorporationSeriesA2UnitsPreferredEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[6],[15],[19],[20]	true
Acquisition date	[6],[15],[19],[20]	Dec. 31, 2022
Principal, Shares, Units	[6],[15],[19],[20]	145,593
Amortized cost	[1],[6],[15],[19],[20]	$ 496,187
Fair value	[3],[6],[15],[19],[20]	$ 46,531
Percentage of net assets	[3],[6],[15],[19],[20]	0.00%
Investment, Identifier [Axis]: Caregility Corporation First Lien Senior Secured Term Loan SOFR Spread 3.00% Plus 6.26% PIK Interest Rate 6.65% Cash Plus 6.26% PIK Due 10/31/2026
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17],[19]	star:CaregilityCorporationFirstLienSeniorSecuredTermLoanSOFRSpread300Plus626PIKInterestRate665CashPlus626PIKDue10312026Member
Investment, Significant Unobservable Input [true false]	[6],[17],[19]	true
Basis spread on variable rate	[6],[11],[17],[19]	3.00%
Paid in Kind Basis Spread Variable Rate	[6],[11],[17],[19]	6.26%
Interest Rate	[6],[17],[19]	6.65%
PIK Interest Rate	[6],[17],[19]	6.26%
Acquisition date	[6],[17],[19]	Dec. 29, 2021
Maturity date	[6],[17],[19]	Oct. 31, 2026
Principal, Shares, Units	[6],[17],[19]	2,609,221
Amortized cost	[1],[6],[17],[19]	$ 2,506,145
Fair value	[3],[6],[17],[19]	$ 2,581,303
Percentage of net assets	[6],[17],[19]	1.10%
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]	[4],[5],[6],[7],[8],[9],[10],[21]			star:CaregilityCorporationFirstLienSeniorSecuredTermLoanSOFRSpread926InterestRate700CashPlus657PIKDue1312025Member
Investment, Significant Unobservable Input [true false]	[8],[21]			true
Basis spread on variable rate	[8],[11],[21]			9.26%
Interest Rate	[8],[21]			7.00%
PIK Interest Rate	[8],[21]			6.57%
Acquisition date	[8],[21]			Dec. 29, 2021
Maturity date	[8],[21]			Jan. 31, 2025
Principal, Shares, Units	[8],[21]			2,443,445
Amortized cost	[1],[8],[21]			$ 2,313,620
Fair value	[3],[8],[21]			$ 2,438,069
Percentage of net assets	[8],[21]			1.00%
Investment, Identifier [Axis]: Caregility Corporation Senior Secured Notes Spread 8.00% Interest Rate 8.00%
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[20]			star:CaregilityCorporationSeniorSecuredNotesSpread800InterestRate800Member
Investment, Significant Unobservable Input [true false]	[20]			true
Basis spread on variable rate	[11],[20]			8.00%
Interest Rate	[20]			8.00%
Acquisition date	[20]			Jul. 03, 2023
Principal, Shares, Units	[20]			341,103
Amortized cost	[1],[20]			$ 341,103
Fair value	[3],[20]			$ 341,103
Percentage of net assets	[20]			0.10%
Investment, Identifier [Axis]: Caregility Corporation Series A Units Preferred Equity Securities Interest Rate 8.00% PIK
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[20],[21]			star:CaregilityCorporationSeriesAUnitsPreferredEquitySecuritiesInterestRate800PIKMember
Investment, Significant Unobservable Input [true false]	[20],[21]			true
Basis spread on variable rate	[11],[20],[21]			0.00%
PIK Interest Rate	[20],[21]			8.00%
Acquisition date	[20],[21]			Dec. 31, 2022
Principal, Shares, Units	[20],[21]			151,018
Amortized cost	[1],[20],[21]			$ 1,646,318
Fair value	[3],[20],[21]			$ 1,188,605
Percentage of net assets	[20],[21]			0.50%
Investment, Identifier [Axis]: Caregility Corporation Series B Units Preferred Equity Securities Interest Rate 8.00% PIK
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[20]	star:CaregilityCorporationSeriesBUnitsPreferredEquitySecuritiesInterestRate800PIKMember	[15],[19]	star:CaregilityCorporationSeriesBUnitsPreferredEquitySecuritiesInterestRate800PIKMember	[21]
Investment, Significant Unobservable Input [true false]	[20]	true	[6],[15],[19]	true	[21]
Basis spread on variable rate	[11],[20]	0.00%	[6],[15],[19]	0.00%	[21]
PIK Interest Rate	[20]	8.00%	[6],[15],[19]	8.00%	[21]
Acquisition date	[20]	Jul. 03, 2023	[6],[15],[19]	Jul. 03, 2023	[21]
Principal, Shares, Units	[20]	446,689	[6],[15],[19]	446,889	[21]
Amortized cost	[1],[20]	$ 3,591,494	[6],[15],[19]	$ 3,591,494	[21]
Fair value	[3],[20]	$ 4,732,688	[6],[15],[19]	$ 4,368,416	[21]
Percentage of net assets	[20]	2.00%	[6],[15],[19]	1.80%	[21]
Investment, Identifier [Axis]: Caregility Corporation Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:CaregilityCorporationWarrantsAndOtherEquitySecuritiesMember	[15],[19]	star:CaregilityCorporationWarrantsAndOtherEquitySecuritiesMember	[21]
Investment, Significant Unobservable Input [true false]		true	[5],[15],[19]	true	[21]
Basis spread on variable rate	[11]	0.00%	[5],[15],[19]	0.00%	[21]
Interest Rate		0.00%	[5],[15],[19]	0.00%	[21]
Acquisition date		Dec. 29, 2021	[5],[15],[19]	Dec. 29, 2021	[21]
Principal, Shares, Units		221,574	[5],[15],[19]	267,801	[21]
Amortized cost	[1]	$ 443,392	[5],[15],[19]	$ 443,392	[21]
Fair value	[3]	$ 0	[5],[15],[19]	$ 0	[21]
Percentage of net assets		0.00%	[5],[15],[19]	0.00%	[21]
Investment, Identifier [Axis]: Caregility Corporation Warrants and Other Equity Securities One
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[15],[19]	star:CaregilityCorporationWarrantsAndOtherEquitySecuritiesOneMember
Investment, Significant Unobservable Input [true false]	[5],[15],[19]	true
Basis spread on variable rate	[5],[11],[15],[19]	0.00%
Interest Rate	[5],[15],[19]	0.00%
Acquisition date	[5],[15],[19]	Dec. 29, 2021
Principal, Shares, Units	[5],[15],[19]	46,227
Amortized cost	[1],[5],[15],[19]	$ 0
Fair value	[3],[5],[15],[19]	$ 0
Percentage of net assets	[5],[15],[19]	0.00%
Investment, Identifier [Axis]: Channel Factory Holdings, LLC Preferred Equity Securities Interest Rate 5.00% Cash Plus 5.00% PIK
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10],[20]			star:ChannelFactoryHoldingsLLCPreferredEquitySecuritiesInterestRate500CashPlus500PIKMember
Investment, Significant Unobservable Input [true false]	[2],[20]			true
Basis spread on variable rate	[2],[11],[20]			0.00%
Interest Rate	[2],[20]			5.00%
PIK Interest Rate	[2],[20]			5.00%
Acquisition date	[2],[20]			Aug. 27, 2020
Principal, Shares, Units	[2],[20]			2,381,867
Amortized cost	[1],[2],[20]			$ 2,442,592
Fair value	[2],[3],[20]			$ 5,552,308
Percentage of net assets	[2],[20]			2.30%
Investment, Identifier [Axis]: Channel Factory Holdings, LLC Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10],[15],[20]	star:ChannelFactoryHoldingsLLCWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[2],[15],[20]	true
Basis spread on variable rate	[2],[11],[15],[20]	0.00%
Interest Rate	[2],[15],[20]	0.00%
Acquisition date	[2],[15],[20]	Mar. 31, 2025
Principal, Shares, Units	[2],[15],[20]	819,478
Amortized cost	[1],[2],[15],[20]	$ 0
Fair value	[2],[3],[15],[20]	$ 1,384,954
Percentage of net assets	[2],[15],[20]	0.60%
Investment, Identifier [Axis]: Chemicals First Lien Senior Secured Term Loan
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:ChemicalsFirstLienSeniorSecuredTermLoanMember		star:ChemicalsFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Chemicals First Lien Senior Secured Term Loan Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		19,898,602		14,812,500
Amortized cost	[1]	$ 19,494,185		$ 14,623,342
Fair value	[3]	$ 19,898,603		$ 14,812,499
Percentage of net assets		8.40%		6.20%
Investment, Identifier [Axis]: Chicken Soup For The Soul, LLC First Lien Senior Secured Term Loan Interest Rate 19.00% PIK Due 3/31/2024
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[14]	star:ChickenSoupForTheSoulLLCFirstLienSeniorSecuredTermLoanInterestRate1900PIKDue3312024Member
Investment, Significant Unobservable Input [true false]	[14]	true
Basis spread on variable rate	[11],[14]	0.00%
PIK Interest Rate	[14]	19.00%
Acquisition date	[14]	Aug. 07, 2025
Maturity date	[14]	Aug. 07, 2026
Principal, Shares, Units	[14]	900,010
Amortized cost	[1],[14]	$ 900,010
Fair value	[3],[14]	$ 900,010
Percentage of net assets	[14]	0.40%
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]	[4],[5],[6],[7],[9],[10],[14]	star:ChickenSoupForTheSoulLLCFirstLienSeniorSecuredTermLoanSOFRSpread860InterestRate1293Due3312024Member	[13],[23]	star:ChickenSoupForTheSoulLLCFirstLienSeniorSecuredTermLoanSOFRSpread860InterestRate1293Due3312024Member	[12],[24]
Investment, Significant Unobservable Input [true false]	[14]	true	[13],[23]	true	[12],[24]
Basis spread on variable rate	[11],[14]	8.60%	[13],[23]	8.60%	[12],[24]
Interest Rate	[14]	12.29%	[13],[23]	12.93%	[12],[24]
Acquisition date	[14]	Oct. 29, 2021	[13],[23]	Oct. 29, 2021	[12],[24]
Maturity date	[14]	Mar. 31, 2024	[13],[23]	Mar. 31, 2024	[12],[24]
Principal, Shares, Units	[14]	6,380,856	[13],[23]	6,380,856	[12],[24]
Amortized cost	[1],[14]	$ 6,380,856	[13],[23]	$ 6,380,856	[12],[24]
Fair value	[3],[14]	$ 3,269,232	[13],[23]	$ 1,681,994	[12],[24]
Percentage of net assets	[14]	1.40%	[13],[23]	0.70%	[12],[24]
Investment, Identifier [Axis]: Clearview Systems, LLC (dba Rip-It) First Lien Senior Secured Term Loan SOFR Spread 10.65% Interest Rate 14.96% Cash Plus 6.50% PIK Due 10/10/2027
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[8],[9],[10],[22]			star:ClearviewSystemsLLCDbaRipItFirstLienSeniorSecuredTermLoanSOFRSpread1065InterestRate1496CashPlus650PIKDue10102027Member
Investment, Significant Unobservable Input [true false]	[8],[22]			true
Basis spread on variable rate	[8],[11],[22]			10.65%
Interest Rate	[8],[22]			14.96%
PIK Interest Rate	[8],[22]			6.50%
Acquisition date	[8],[22]			Oct. 11, 2022
Maturity date	[8],[22]			Oct. 10, 2027
Principal, Shares, Units	[8],[22]			6,703,118
Amortized cost	[1],[8],[22]			$ 6,609,366
Fair value	[3],[8],[22]			$ 6,703,118
Percentage of net assets	[8],[22]			2.80%
Investment, Identifier [Axis]: Clearview Systems, LLC (dba Rip-It) First Lien Senior Secured Term Loan SOFR Spread 4.54% Interest Rate 8.19% Cash Plus 6.50% PIK Due 10/10/2027
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17],[22]	star:ClearviewSystemsLLCDbaRipItFirstLienSeniorSecuredTermLoanSOFRSpread454InterestRate819CashPlus650PIKDue10102027Member
Investment, Significant Unobservable Input [true false]	[17],[22]	true
Basis spread on variable rate	[11],[17],[22]	4.54%
Paid in Kind Basis Spread Variable Rate	[11],[17],[22]	6.50%
Interest Rate	[17],[22]	8.19%
PIK Interest Rate	[17],[22]	6.50%
Acquisition date	[17],[22]	Oct. 11, 2022
Maturity date	[17],[22]	Oct. 11, 2027
Principal, Shares, Units	[17],[22]	7,052,922
Amortized cost	[1],[17],[22]	$ 6,993,393
Fair value	[3],[17],[22]	$ 7,052,922
Percentage of net assets	[17],[22]	3.00%
Investment, Identifier [Axis]: Commercial Services & Supplies First Lien Senior Secured Term Loan
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:CommercialServicesSuppliesFirstLienSeniorSecuredTermLoanMember		star:CommercialServicesSuppliesFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Commercial Services & Supplies First Lien Senior Secured Term Loan Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		13,968,032		3,974,826
Amortized cost	[1]	$ 13,698,566		$ 3,935,110
Fair value	[3]	$ 13,970,533		$ 3,713,643
Percentage of net assets		5.90%		1.50%
Investment, Identifier [Axis]: Commercial Services and Supplies Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	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	[3]	$ 213,265		$ 194,996
Percentage of net assets		0.10%		0.10%
Investment, Identifier [Axis]: Consolidated Machine & Tool Holdings, LLC First Lien Senior Secured Term Loan SOFR Spread 11.01% Interest Rate 15.32% Due 1/15/2025
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[8],[9],[10],[14],[25]			star:ConsolidatedMachineToolHoldingsLLCFirstLienSeniorSecuredTermLoanSOFRSpread1101InterestRate1532Due1152025Member
Investment, Significant Unobservable Input [true false]	[8],[14],[25]			true
Basis spread on variable rate	[8],[11],[14],[25]			11.01%
Interest Rate	[8],[14],[25]			15.32%
Acquisition date	[8],[14],[25]			Jan. 15, 2020
Maturity date	[8],[14],[25]			Jan. 15, 2025
Principal, Shares, Units	[8],[14],[25]			6,092,878
Amortized cost	[1],[8],[14],[25]			$ 5,946,311
Fair value	[3],[8],[14],[25]			$ 5,431,800
Percentage of net assets	[8],[14],[25]			2.30%
Investment, Identifier [Axis]: Consolidated Machine & Tool Holdings, LLC First Lien Senior Secured Term Loan SOFR Spread 13.01% PIK Interest Rate 16.66% PIK Due 1/15/2025
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[13],[14],[17],[23],[26]	star:ConsolidatedMachineToolHoldingsLLCFirstLienSeniorSecuredTermLoanSOFRSpread1301PIKInterestRate1666PIKDue1152025Member
Investment, Significant Unobservable Input [true false]	[13],[14],[17],[23],[26]	true
Paid in Kind Basis Spread Variable Rate	[11],[13],[14],[17],[23],[26]	13.01%
PIK Interest Rate	[13],[14],[17],[23],[26]	16.66%
Acquisition date	[13],[14],[17],[23],[26]	Jan. 15, 2020
Maturity date	[13],[14],[17],[23],[26]	Jan. 15, 2025
Principal, Shares, Units	[13],[14],[17],[23],[26]	581,276
Amortized cost	[1],[13],[14],[17],[23],[26]	$ 581,276
Fair value	[3],[13],[14],[17],[23],[26]	$ 0
Percentage of net assets	[13],[14],[17],[23],[26]	0.00%
Investment, Identifier [Axis]: Consolidated Machine & Tool Holdings, LLC First Lien Senior Secured Term Loan SOFR Spread 14.01% PIK Interest Rate 17.66% PIK Due 1/15/2025
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[13],[14],[17],[23],[26]	star:ConsolidatedMachineToolHoldingsLLCFirstLienSeniorSecuredTermLoanSOFRSpread1401PIKInterestRate1766PIKDue1152025Member
Investment, Significant Unobservable Input [true false]	[13],[14],[17],[23],[26]	true
Paid in Kind Basis Spread Variable Rate	[11],[13],[14],[17],[23],[26]	14.01%
PIK Interest Rate	[13],[14],[17],[23],[26]	17.66%
Acquisition date	[13],[14],[17],[23],[26]	Nov. 22, 2023
Maturity date	[13],[14],[17],[23],[26]	Jan. 15, 2025
Principal, Shares, Units	[13],[14],[17],[23],[26]	6,335
Amortized cost	[1],[13],[14],[17],[23],[26]	$ 6,335
Fair value	[3],[13],[14],[17],[23],[26]	$ 0
Percentage of net assets	[13],[14],[17],[23],[26]	0.00%
Investment, Identifier [Axis]: Consolidated Machine & Tool Holdings, LLC Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10],[27]			star:ConsolidatedMachineToolHoldingsLLCWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[2],[27]			true
Basis spread on variable rate	[2],[11],[27]			0.00%
Interest Rate	[2],[27]			0.00%
Acquisition date	[2],[27]			Jan. 15, 2020
Principal, Shares, Units	[2],[27]			176
Amortized cost	[1],[2],[27]			$ 142,485
Fair value	[2],[3],[27]			$ 0
Percentage of net assets	[2],[27]			0.00%
Investment, Identifier [Axis]: Consolidated Machine & Tool Holdings, LLC Warrants and Other Equity Securities One
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]			star:ConsolidatedMachineToolHoldingsLLCWarrantsAndOtherEquitySecuritiesOneMember
Investment, Significant Unobservable Input [true false]				true
Basis spread on variable rate	[11]			0.00%
Interest Rate				0.00%
Acquisition date				Jan. 15, 2020
Principal, Shares, Units				1,178
Amortized cost	[1]			$ 0
Fair value	[3]			$ 32,148
Percentage of net assets				0.00%
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]	[4],[5],[6],[7],[9],[10],[14],[20]			star:ConsolidatedMachineAndToolHoldingsLLCFirstLienSeniorSecuredTermLoanSOFRSpread1100Due6302025Member
Investment, Significant Unobservable Input [true false]	[14],[20]			true
Basis spread on variable rate	[11],[14],[20]			0.00%
Interest Rate	[14],[20]			11.00%
Acquisition date	[14],[20]			May 22, 2024
Maturity date	[14],[20]			Jun. 30, 2025
Principal, Shares, Units	[14],[20]			885,615
Amortized cost	[1],[14],[20]			$ 869,176
Fair value	[3],[14],[20]			$ 777,659
Percentage of net assets	[14],[20]			0.30%
Investment, Identifier [Axis]: Consolidated Machine and Tool Holdings, LLC First Lien Senior Secured Term Loan SOFR Spread 11.00% PIK Due 6/30/2026
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[14],[20]	star:ConsolidatedMachineAndToolHoldingsLLCFirstLienSeniorSecuredTermLoanSOFRSpread1100PIKDue6302026Member
Investment, Significant Unobservable Input [true false]	[14],[20]	true
Basis spread on variable rate	[4],[5],[6],[7],[9],[10],[14],[20]	0.00%
PIK Interest Rate	[13],[14],[20]	11.00%
Acquisition date	[14],[20]	May 22, 2024
Maturity date	[14],[20]	Jun. 30, 2026
Principal, Shares, Units	[14],[20]	69,865
Amortized cost	[1],[14],[20]	$ 69,865
Fair value	[3],[14],[20]	$ 0
Percentage of net assets	[14],[20]	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% Due 1/15/2025
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[8],[9],[10],[14],[25]			star:ConsolidatedMachineAndToolHoldingsLLCFirstLienSeniorSecuredTermLoanSOFRSpread1201InterestRate1632Due1152025Member
Investment, Significant Unobservable Input [true false]	[8],[14],[25]			true
Basis spread on variable rate	[8],[11],[14],[25]			12.01%
Interest Rate	[8],[14],[25]			16.32%
Acquisition date	[8],[14],[25]			Jan. 19, 2023
Maturity date	[8],[14],[25]			Jan. 15, 2025
Principal, Shares, Units	[8],[14],[25]			1,294,243
Amortized cost	[1],[8],[14],[25]			$ 1,263,109
Fair value	[3],[8],[14],[25]			$ 1,153,818
Percentage of net assets	[8],[14],[25]			0.50%
Investment, Identifier [Axis]: Consolidated Machine and Tool Holdings, LLC First Lien Senior Secured Term Loan SOFR Spread 13.00% PIK Due 1/15/2025
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[14],[17],[20],[23],[26]	star:ConsolidatedMachineAndToolHoldingsLLCFirstLienSeniorSecuredTermLoanSOFRSpread1300PIKDue1152025Member
Investment, Significant Unobservable Input [true false]	[14],[17],[20],[23],[26]	true
Basis spread on variable rate	[11],[14],[17],[20],[23],[26]	0.00%
PIK Interest Rate	[13],[14],[20],[23],[26]	13.00%
Acquisition date	[14],[17],[20],[23],[26]	Nov. 22, 2023
Maturity date	[14],[17],[20],[23],[26]	Jan. 15, 2025
Principal, Shares, Units	[14],[17],[20],[23],[26]	68,577
Amortized cost	[1],[14],[17],[20],[23],[26]	$ 68,577
Fair value	[3],[14],[17],[20],[23],[26]	$ 0
Percentage of net assets	[14],[17],[20],[23],[26]	0.00%
Investment, Identifier [Axis]: Consolidated Machine and Tool Holdings, LLC First Lien Senior Secured Term Loan SOFR Spread 20.00% PIK Due 1/15/2025
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[14],[20]	star:ConsolidatedMachineAndToolHoldingsLLCFirstLienSeniorSecuredTermLoanSOFRSpread2000PIKDue1152025Member	[17],[23],[26]	star:ConsolidatedMachineAndToolHoldingsLLCFirstLienSeniorSecuredTermLoanSOFRSpread2000PIKDue1152025Member	[25]
Investment, Significant Unobservable Input [true false]	[14],[20]	true	[17],[23],[26]	true	[25]
Basis spread on variable rate	[11],[14],[20]	0.00%	[17],[23],[26]	0.00%	[25]
PIK Interest Rate	[14],[20]	20.00%	[13],[23],[26]	20.00%	[25]
Acquisition date	[14],[20]	Nov. 22, 2023	[17],[23],[26]	Nov. 22, 2023	[25]
Maturity date	[14],[20]	Jan. 15, 2025	[17],[23],[26]	Jan. 15, 2025	[25]
Principal, Shares, Units	[14],[20]	19,361	[17],[23],[26]	708,154	[25]
Amortized cost	[1],[14],[20]	$ 19,361	[17],[23],[26]	$ 697,699	[25]
Fair value	[3],[14],[20]	$ 0	[17],[23],[26]	$ 708,154	[25]
Percentage of net assets	[14],[20]	0.00%	[17],[23],[26]	0.30%	[25]
Investment, Identifier [Axis]: Construction & Engineering First Lien Senior Secured Term Loan
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:ConstructionEngineeringFirstLienSeniorSecuredTermLoanMember		star:ConstructionEngineeringFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Construction & Engineering First Lien Senior Secured Term Loan Controlled Investments
Investments [Abstract]
Principal, Shares, Units		1,625,086		2,574,092
Amortized cost	[1]	$ 1,614,622		$ 2,548,389
Fair value	[3]	$ 1,625,086		$ 2,430,200
Percentage of net assets		0.70%		1.00%
Investment, Identifier [Axis]: Construction & Engineering First Lien Senior Secured Term Loan Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		47,300,038		66,444,967
Amortized cost	[1]	$ 46,782,249		$ 65,320,314
Fair value	[3]	$ 47,019,588		$ 66,260,250
Percentage of net assets		19.80%		27.50%
Investment, Identifier [Axis]: Construction & Engineering Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	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	[3]	$ 7,260,300		$ 3,519,772
Percentage of net assets		3.10%		1.50%
Investment, Identifier [Axis]: Construction & Engineering Preferred Equity Securities Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		187,483		187,418
Amortized cost	[1]	$ 3,622,250		$ 3,560,642
Fair value	[3]	$ 9,041,199		$ 7,021,936
Percentage of net assets		3.80%		2.90%
Investment, Identifier [Axis]: Construction & Engineering Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:ConstructionEngineeringWarrantsAndOtherEquitySecuritiesMember		star:ConstructionEngineeringWarrantsAndOtherEquitySecuritiesMember
Investment, Identifier [Axis]: Construction & Engineering Warrants and Other Equity Securities Controlled Investments
Investments [Abstract]
Principal, Shares, Units		100,408		295
Amortized cost	[1]	$ 0		$ 0
Fair value	[3]	$ 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	[3]	$ 1,565,233		$ 4,473,278
Percentage of net assets		0.70%		1.90%
Investment, Identifier [Axis]: Consumer Finance Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]			star:ConsumerFinancePreferredEquitySecuritiesMember
Investment, Identifier [Axis]: Consumer Finance Preferred Equity Securities Controlled Investments
Investments [Abstract]
Principal, Shares, Units				0
Amortized cost	[1]			$ 0
Fair value	[3]			$ 0
Percentage of net assets				0.00%
Investment, Identifier [Axis]: Consumer Finance Senior Unsecured Notes
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	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]	$ 3,695,851		$ 3,427,073
Fair value	[3]	$ 3,763,831		$ 3,427,073
Percentage of net assets		1.60%		1.40%
Investment, Identifier [Axis]: Controlled Investments
Investments [Abstract]
Investment, Issuer Affiliation [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:InvestmentAffiliatedIssuersControlledMember		star:InvestmentAffiliatedIssuersControlledMember
Amortized cost	[1]	$ 62,459,798		$ 52,910,374
Fair value	[3]	$ 62,857,937		$ 50,680,798
Percentage of net assets		26.50%		20.90%
Investment, Identifier [Axis]: CorTech, LLC First Lien Senior Secured Term Loan SOFR Spread 7.70% Interest Rate 11.25% Due 6/30/2026
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17]	star:CorTechLLCFirstLienSeniorSecuredTermLoanSOFRSpread770InterestRate1125Due6302026Member
Investment, Significant Unobservable Input [true false]	[17]	true
Basis spread on variable rate	[11],[17]	7.60%
Interest Rate	[17]	11.25%
Acquisition date	[17]	Jun. 03, 2025
Maturity date	[17]	Jun. 30, 2026
Principal, Shares, Units	[17]	7,546,280
Amortized cost	[1],[17]	$ 7,536,366
Fair value	[3],[17]	$ 7,285,934
Percentage of net assets	[17]	3.10%
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	[3]			$ 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]	[4],[5],[6],[7],[8],[9],[10]			star:CorTechLLCSecondLienSeniorSecuredLoanSOFRSpread635InterestRate1066Due9302025Member
Investment, Significant Unobservable Input [true false]	[8]			true
Basis spread on variable rate	[8],[11]			6.35%
Interest Rate	[8]			10.66%
Acquisition date	[8]			Mar. 13, 2020
Maturity date	[8]			Sep. 30, 2025
Principal, Shares, Units	[8]			6,155,951
Amortized cost	[1],[8]			$ 6,148,061
Fair value	[3],[8]			$ 6,034,048
Percentage of net assets	[8]			2.50%
Investment, Identifier [Axis]: CorTech, LLC Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[15]	star:CorTechLLCWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[15]	true
Basis spread on variable rate	[11],[15]	0.00%
Interest Rate	[15]	0.00%
Acquisition date	[15]	Jun. 30, 2025
Principal, Shares, Units	[15]	1
Amortized cost	[1],[15]	$ 0
Fair value	[3],[15]	$ 81,853
Percentage of net assets	[15]	0.00%
Investment, Identifier [Axis]: DCCM, LLC First Lien Senior Secured Term Loan SOFR Spread 6.76% Cash Plus 1.00% PIK Interest Rate 11.07% Cash Plus 1.00% PIK Due 12/30/2026
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[8],[9],[10]			star:DCCMLLCFirstLienSeniorSecuredTermLoanSOFRSpread676CashPlus100PIKInterestRate1107CashPlus100PIKDue12302026Member
Investment, Significant Unobservable Input [true false]	[8]			true
Basis spread on variable rate	[8],[11]			6.76%
Paid in Kind Basis Spread Variable Rate	[8],[11]			1.00%
Interest Rate	[8]			11.07%
PIK Interest Rate	[8]			1.00%
Acquisition date	[8]			Aug. 06, 2021
Maturity date	[8]			Dec. 30, 2026
Principal, Shares, Units	[8]			18,148,579
Amortized cost	[1],[8]			$ 17,949,974
Fair value	[3],[8]			$ 18,232,063
Percentage of net assets	[8]			7.50%
Investment, Identifier [Axis]: DCCM, LLC Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10]			star:DCCMLLCWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[2]			true
Basis spread on variable rate	[2],[11]			0.00%
Interest Rate	[2]			0.00%
Acquisition date	[2]			Aug. 06, 2021
Principal, Shares, Units	[2]			897
Amortized cost	[1],[2]			$ 939,949
Fair value	[2],[3]			$ 3,501,210
Percentage of net assets	[2]			1.50%
Investment, Identifier [Axis]: Delva Master Holdings First Lien Senior Secured Term Loan SOFR Spread 10.26% Interest Rate 13.95% Due 9/1/2030
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[13],[14],[19]	star:DelvaMasterHoldingsFirstLienSeniorSecuredTermLoanSOFRSpread1026InterestRate1395Due912030Member
Investment, Significant Unobservable Input [true false]	[6],[13],[14],[19]	true
Basis spread on variable rate	[6],[11],[13],[14],[19]	10.26%
Interest Rate	[6],[13],[14],[19]	13.95%
Acquisition date	[6],[13],[14],[19]	Aug. 13, 2025
Maturity date	[6],[13],[14],[19]	Sep. 01, 2030
Principal, Shares, Units	[6],[13],[14],[19]	901,698
Amortized cost	[1],[6],[13],[14],[19]	$ 901,698
Fair value	[3],[6],[13],[14],[19]	$ 850,931
Percentage of net assets	[6],[13],[14],[19]	0.40%
Investment, Identifier [Axis]: Delva Master Holdings Preferred Equity Securities Interest Rate 18.00% PIK
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[14],[15],[19]	star:DelvaMasterHoldingsPreferredEquitySecuritiesInterestRate1800PIKMember
Investment, Significant Unobservable Input [true false]	[6],[14],[15],[19]	true
Basis spread on variable rate	[6],[11],[14],[15],[19]	0.00%
PIK Interest Rate	[6],[14],[15],[19]	18.00%
Acquisition date	[6],[14],[15],[19]	Aug. 13, 2025
Principal, Shares, Units	[6],[14],[15],[19]	1,636
Amortized cost	[1],[6],[14],[15],[19]	$ 7,679,427
Fair value	[3],[6],[14],[15],[19]	$ 7,905,825
Percentage of net assets	[6],[14],[15],[19]	3.40%
Investment, Identifier [Axis]: Delva Master Holdings Warrants and Other Equity Securitie Controlled Investments
Investments [Abstract]
Principal, Shares, Units		11,847
Amortized cost	[1]	$ 0
Fair value	[3]	$ 0
Percentage of net assets		0.00%
Investment, Identifier [Axis]: Delva Master Holdings Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[14],[15],[19]	star:DelvaMasterHoldingsWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[6],[14],[15],[19]	true
Basis spread on variable rate	[6],[11],[14],[15],[19]	0.00%
Interest Rate	[6],[14],[15],[19]	0.00%
Acquisition date	[6],[14],[15],[19]	Aug. 13, 2025
Principal, Shares, Units	[6],[14],[15],[19]	1,354
Amortized cost	[1],[6],[14],[15],[19]	$ 0
Fair value	[3],[6],[14],[15],[19]	$ 0
Percentage of net assets	[6],[14],[15],[19]	0.00%
Investment, Identifier [Axis]: Delva Master Holdings Warrants and Other Equity Securities Interest Rate 18.00% PIK
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[14],[15],[19]	star:DelvaMasterHoldingsWarrantsAndOtherEquitySecuritiesInterestRate1800PIKMember
Investment, Significant Unobservable Input [true false]	[6],[14],[15],[19]	true
Basis spread on variable rate	[6],[11],[14],[15],[19]	0.00%
PIK Interest Rate	[6],[14],[15],[19]	18.00%
Acquisition date	[6],[14],[15],[19]	Aug. 13, 2025
Principal, Shares, Units	[6],[14],[15],[19]	10,493
Amortized cost	[1],[6],[14],[15],[19]	$ 0
Fair value	[3],[6],[14],[15],[19]	$ 0
Percentage of net assets	[6],[14],[15],[19]	0.00%
Investment, Identifier [Axis]: Distributors First Lien Senior Secured Term Loan
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:DistributorsFirstLienSeniorSecuredTermLoanMember		star:DistributorsFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Distributors First Lien Senior Secured Term Loan Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		15,221,270		14,817,041
Amortized cost	[1]	$ 14,822,272		$ 14,323,723
Fair value	[3]	$ 7,300,311		$ 13,163,459
Percentage of net assets		3.10%		5.50%
Investment, Identifier [Axis]: Distributors Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	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	[3]	$ 0
Percentage of net assets		0.00%
Investment, Identifier [Axis]: Diversified Financials Fund Investments
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:DiversifiedFinancialsFundInvestmentsMember		star:DiversifiedFinancialsFundInvestmentsMember
Investment, Identifier [Axis]: Diversified Financials Fund Investments Non-Affiliate Investments
Investments [Abstract]
Investment, Significant Unobservable Input [true false]		true
Principal, Shares, Units		0		2,855,855
Amortized cost	[1]	$ 2,529,567		$ 2,898,305
Fair value	[3]	$ 1,925,246		$ 2,688,619
Percentage of net assets		0.80%		1.10%
Investment, Identifier [Axis]: Diversified Telecommunication Services First Lien Senior Secured Term Loan
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:DiversifiedTelecommunicationServicesFirstLienSeniorSecuredTermLoanMember		star:DiversifiedTelecommunicationServicesFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Diversified Telecommunication Services First Lien Senior Secured Term Loan Controlled Investments
Investments [Abstract]
Basis spread on variable rate		260922100.00%
Paid in Kind Basis Spread Variable Rate	[1]	250614500.00%
Interest Rate		1.10%
Principal, Shares, Units				2,443,445
Amortized cost	[1]			$ 2,313,620
Fair value	[3]	$ 2,581,303		$ 2,438,069
Percentage of net assets				1.00%
Investment, Identifier [Axis]: Diversified Telecommunication Services First Lien Senior Secured Term Loan Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		14,036,143		14,104,180
Amortized cost	[1]	$ 13,814,057		$ 13,779,867
Fair value	[3]	$ 13,446,625		$ 13,894,028
Percentage of net assets		5.70%		5.80%
Investment, Identifier [Axis]: Diversified Telecommunication Services Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:DiversifiedTelecommunicationServicesPreferredEquitySecuritiesMember		star:DiversifiedTelecommunicationServicesPreferredEquitySecuritiesMember
Investment, Identifier [Axis]: Diversified Telecommunication Services Preferred Equity Securities Controlled Investments
Investments [Abstract]
Principal, Shares, Units		743,300		597,907
Amortized cost	[1]	$ 5,667,591		$ 5,237,812
Fair value	[3]	$ 4,926,702		$ 5,557,021
Percentage of net assets		2.20%		2.30%
Investment, Identifier [Axis]: Diversified Telecommunication Services Preferred Equity Securities Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		3,959,977		3,959,977
Amortized cost	[1]	$ 799,597		$ 799,597
Fair value	[3]	$ 175,121		$ 907,386
Percentage of net assets		0.10%		0.40%
Investment, Identifier [Axis]: Diversified Telecommunication Services Senior Secured Notes
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]			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	[3]			$ 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]	[4],[5],[6],[7],[9],[10]	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	[3]	$ 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]	[4],[5],[6],[7],[9],[10],[12],[22]			star:DouglasProductsAndPackagingCompanyLLCFirstLienSeniorSecuredTermLoanSOFRSpread690InterestRate1123Due9202028Member
Investment, Significant Unobservable Input [true false]	[12],[22]			true
Basis spread on variable rate	[11],[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	[3],[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 11.73% Due 9/20/2028
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[13],[22]	star:DouglasProductsAndPackagingCompanyLLCFirstLienSeniorSecuredTermLoanSOFRSpread804InterestRate1173Due9202028Member
Investment, Significant Unobservable Input [true false]	[13],[22]	true
Basis spread on variable rate	[11],[13],[22]	8.04%
Interest Rate	[13],[22]	11.73%
Acquisition date	[13],[22]	Sep. 20, 2023
Maturity date	[13],[22]	Sep. 20, 2028
Principal, Shares, Units	[13],[22]	19,898,602
Amortized cost	[1],[13],[22]	$ 19,494,185
Fair value	[3],[13],[22]	$ 19,898,603
Percentage of net assets	[13],[22]	8.40%
Investment, Identifier [Axis]: Electrical Equipment First Lien Senior Secured Term Loan
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	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]	$ 9,160,286		$ 9,198,337
Fair value	[3]	$ 877,249		$ 5,729,737
Percentage of net assets		0.30%		2.30%
Investment, Identifier [Axis]: Electrical Equipment Senior Unsecured Notes Loan
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:ElectricalEquipmentSeniorUnsecuredNotesLoanMember		star:ElectricalEquipmentSeniorUnsecuredNotesLoanMember
Investment, Identifier [Axis]: Electrical Equipment Senior Unsecured Notes Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		2,155,820		2,155,820
Amortized cost	[1]	$ 2,033,098		$ 2,033,098
Fair value	[3]	$ 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]	[4],[5],[6],[7],[9],[10]	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	[3]	$ 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]	[4],[5],[6],[7],[9],[10]	star:EntertainmentFirstLienSeniorSecuredTermLoanMember		star:EntertainmentFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Entertainment First Lien Senior Secured Term Loan Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		31,704,968		17,318,850
Amortized cost	[1]	$ 31,457,134		$ 17,146,839
Fair value	[3]	$ 28,467,597		$ 12,560,124
Percentage of net assets		12.00%		5.30%
Investment, Identifier [Axis]: Entertainment Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	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	[3]	$ 2,574,425		$ 1,385,764
Percentage of net assets		1.10%		0.60%
Investment, Identifier [Axis]: Entertainment Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	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	[3]	$ 346,753		$ 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]	[4],[5],[6],[7],[9],[10]	star:FoodProductsFirstLienSeniorSecuredTermLoanMember		star:FoodProductsFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Food Products First Lien Senior Secured Term Loan Controlled Investments
Investments [Abstract]
Principal, Shares, Units		6,856,787		6,930,002
Amortized cost	[1]	$ 6,807,068		$ 6,832,506
Fair value	[3]	$ 6,856,787		$ 6,999,302
Percentage of net assets		2.90%		2.90%
Investment, Identifier [Axis]: Food Products Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	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	[3]	$ 4,966,277		$ 4,532,872
Percentage of net assets		2.10%		1.90%
Investment, Identifier [Axis]: Food Products Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	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	[3]	$ 29,787		$ 76,329
Percentage of net assets		0.00%		0.00%
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]	[4],[5],[6],[7],[9],[10],[12]			star:FremontWrightLLCFirstLienSeniorSecuredTermLoanSOFRSpread910InterestRate1343Due6302026Member
Investment, Significant Unobservable Input [true false]	[12]			true
Basis spread on variable rate	[11],[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	[3],[12]			$ 4,155,709
Percentage of net assets	[12]			1.70%
Investment, Identifier [Axis]: Fremont-Wright, LLC First Lien Senior Secured Term Loan SOFR Spread 9.20% Interest Rate 12.89% Due 6/30/2026
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[13]	star:FremontWrightLLCFirstLienSeniorSecuredTermLoanSOFRSpread920InterestRate1289Due6302026Member
Investment, Significant Unobservable Input [true false]	[13]	true
Basis spread on variable rate	[11],[13]	9.20%
Interest Rate	[13]	12.89%
Acquisition date	[13]	Dec. 02, 2020
Maturity date	[13]	Jun. 30, 2026
Principal, Shares, Units	[13]	4,042,177
Amortized cost	[1],[13]	$ 4,042,177
Fair value	[3],[13]	$ 4,042,177
Percentage of net assets	[13]	1.70%
Investment, Identifier [Axis]: Fremont-Wright, LLC Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:FremontWrightLLCWarrantsAndOtherEquitySecuritiesMember	[15]	star:FremontWrightLLCWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]		true	[15]	true
Basis spread on variable rate	[11]	0.00%	[15]	0.00%
Interest Rate		0.00%	[15]	0.00%
Acquisition date		Dec. 02, 2020	[15]	Dec. 02, 2020
Principal, Shares, Units		2	[15]	2
Amortized cost	[1]	$ 0	[15]	$ 0
Fair value	[3]	$ 1,565,233	[15]	$ 972,068
Percentage of net assets		0.70%	[15]	0.40%
Investment, Identifier [Axis]: Fund Investments
Investments [Abstract]
Investment, Type [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	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	[3]	$ 1,925,246		$ 2,688,619
Percentage of net assets		0.80%		1.10%
Investment, Identifier [Axis]: Gridsource Holdings, LLC Preferred Equity Securities Interest Rate 8.00% PIK
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10]	star:GridsourceHoldingsLLCPreferredEquitySecuritiesInterestRate800PIKMember	[15]	star:GridsourceHoldingsLLCPreferredEquitySecuritiesInterestRate800PIKMember
Investment, Significant Unobservable Input [true false]	[2]	true	[15]	true
Basis spread on variable rate	[2],[11]	0.00%	[15]	0.00%
PIK Interest Rate	[2]	8.00%	[15]	8.00%
Acquisition date	[2]	Mar. 09, 2023	[15]	Mar. 09, 2023
Principal, Shares, Units	[2]	3,959,977	[15]	3,959,977
Amortized cost	[1],[2]	$ 799,597	[15]	$ 799,597
Fair value	[2],[3]	$ 175,121	[15]	$ 907,386
Percentage of net assets	[2]	0.10%	[15]	0.40%
Investment, Identifier [Axis]: Gridsource Incorporated, LLC First Lien Senior Secured Term Loan SOFR Spread 7.00% Interest Rate 10.65% Due 3/30/2029
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17]	star:GridsourceIncorporatedLLCFirstLienSeniorSecuredTermLoanSOFRSpread700InterestRate1065Due3302029Member
Investment, Significant Unobservable Input [true false]	[17]	true
Basis spread on variable rate	[11],[17]	7.00%
Interest Rate	[17]	10.65%
Acquisition date	[17]	Dec. 16, 2022
Maturity date	[17]	Mar. 30, 2029
Principal, Shares, Units	[17]	14,036,143
Amortized cost	[1],[17]	$ 13,814,057
Fair value	[3],[17]	$ 13,446,625
Percentage of net assets	[17]	5.70%
Investment, Identifier [Axis]: Gridsource Incorporated, LLC First Lien Senior Secured Term Loan SOFR Spread 8.50% Cash Plus 2.00% PIK Interest Rate 12.81% Cash Plus 2.00% PIK Due 3/9/2028
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[8],[9],[10]			star:GridsourceIncorporatedLLCFirstLienSeniorSecuredTermLoanSOFRSpread850CashPlus200PIKInterestRate1281CashPlus200PIKDue392028Member
Investment, Significant Unobservable Input [true false]	[8]			true
Basis spread on variable rate	[8],[11]			8.50%
Paid in Kind Basis Spread Variable Rate	[8],[11]			2.00%
Interest Rate	[8]			12.81%
PIK Interest Rate	[8]			2.00%
Acquisition date	[8]			Dec. 16, 2022
Maturity date	[8]			Mar. 09, 2028
Principal, Shares, Units	[8]			14,104,180
Amortized cost	[1],[8]			$ 13,779,867
Fair value	[3],[8]			$ 13,894,028
Percentage of net assets	[8]			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]	[4],[5],[6],[7],[9],[10],[14]	star:HHMasterworkIntermediateIncSeniorUnsecuredNotesLoanInterestRate1700PIKDue5172028Member	[26]	star:HHMasterworkIntermediateIncSeniorUnsecuredNotesLoanInterestRate1700PIKDue5172028Member	[25]
Investment, Significant Unobservable Input [true false]	[14]	true	[26]	true	[25]
Basis spread on variable rate	[11],[14]	0.00%	[26]	0.00%	[25]
PIK Interest Rate	[14]	17.00%	[26]	17.00%	[25]
Acquisition date	[14]	Nov. 17, 2022	[26]	Nov. 17, 2022	[25]
Maturity date	[14]	May 17, 2028	[26]	May 17, 2028	[25]
Principal, Shares, Units	[14]	2,155,820	[26]	2,155,820	[25]
Amortized cost	[1],[14]	$ 2,033,098	[26]	$ 2,033,098	[25]
Fair value	[3],[14]	$ 0	[26]	$ 0	[25]
Percentage of net assets	[14]	0.00%	[26]	0.00%	[25]
Investment, Identifier [Axis]: HH Masterwork Intermediate, Inc. Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[14]	star:HHMasterworkIntermediateIncWarrantsAndOtherEquitySecuritiesMember	[15]	star:HHMasterworkIntermediateIncWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[14]	true	[15]	true
Basis spread on variable rate	[11],[14]	0.00%	[15]	0.00%
Interest Rate	[14]	0.00%	[15]	0.00%
Acquisition date	[14]	Nov. 17, 2022	[15]	Nov. 17, 2022
Principal, Shares, Units	[14]	190,019	[15]	190,019
Amortized cost	[1],[14]	$ 0	[15]	$ 0
Fair value	[3],[14]	$ 0	[15]	$ 0
Percentage of net assets	[14]	0.00%	[15]	0.00%
Investment, Identifier [Axis]: Healthcare Providers & Services First Lien Senior Secured Term Loan
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:HealthcareProvidersServicesFirstLienSeniorSecuredTermLoanMember		star:HealthcareProvidersServicesFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Healthcare Providers & Services First Lien Senior Secured Term Loan Controlled Investments
Investments [Abstract]
Principal, Shares, Units		789,190		797,086
Amortized cost	[1]	$ 778,103		$ 782,429
Fair value	[3]	$ 764,370		$ 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		36,989,820		41,144,175
Amortized cost	[1]	$ 36,230,635		$ 40,138,814
Fair value	[3]	$ 34,785,872		$ 38,083,197
Percentage of net assets		14.70%		15.80%
Investment, Identifier [Axis]: Healthcare Providers & Services Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	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	[3]	$ 364,435		$ 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	[3]	$ 3,160,558		$ 1,918,048
Percentage of net assets		1.30%		0.80%
Investment, Identifier [Axis]: Healthcare Providers & Services Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:HealthcareProvidersServicesWarrantsAndOtherEquitySecuritiesMember		star:HealthcareProvidersServicesWarrantsAndOtherEquitySecuritiesMember
Investment, Identifier [Axis]: Healthcare Providers & Services Warrants and Other Equity Securities Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		1,185		1,185
Amortized cost	[1]	$ 419,877		$ 419,877
Fair value	[3]	$ 35,143		$ 196,856
Percentage of net assets		0.00%		0.10%
Investment, Identifier [Axis]: Hometown Holdings JV, LLC (dba BWG Strategy) Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10],[20]			star:HometownHoldingsJVLLCDbaBWGStrategyPreferredEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[2],[20]			true
Basis spread on variable rate	[2],[11],[20]			0.00%
Interest Rate	[2],[20]			0.00%
Acquisition date	[2],[20]			Dec. 24, 2020
Principal, Shares, Units	[2],[20]			666,667
Amortized cost	[1],[2],[20]			$ 659,761
Fair value	[2],[3],[20]			$ 877,600
Percentage of net assets	[2],[20]			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]	[2],[4],[5],[6],[7],[9],[10],[15],[20]	star:HometownHoldingsJVLLCDbaBWGStrategyPreferredEquitySecuritiesInterestRate800PreferredReturnMember
Investment, Significant Unobservable Input [true false]	[2],[15],[20]	true
Basis spread on variable rate	[2],[11],[15],[20]	0.00%
Preferred return	[2],[15],[20]	8.00%
Acquisition date	[2],[15],[20]	Dec. 24, 2020
Principal, Shares, Units	[2],[15],[20]	666,667
Amortized cost	[1],[2],[15],[20]	$ 659,761
Fair value	[2],[3],[15],[20]	$ 693,300
Percentage of net assets	[2],[15],[20]	0.30%
Investment, Identifier [Axis]: Hotels Restaurants Leisure First Lien Senior Secured Term Loan Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		8,132,353		4,928,571
Amortized cost	[1]	$ 8,062,402		$ 4,819,417
Fair value	[3]	$ 8,202,106		$ 4,876,329
Percentage of net assets		3.40%		2.00%
Investment, Identifier [Axis]: Hotels, Restaurants & Leisure First Lien Senior Secured Term Loan
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:HotelsRestaurantsLeisureFirstLienSeniorSecuredTermLoanMember		star:HotelsRestaurantsLeisureFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Hotels, Restaurants & Leisure Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:HotelsRestaurantsLeisureWarrantsAndOtherEquitySecuritiesMember		star:HotelsRestaurantsLeisureWarrantsAndOtherEquitySecuritiesMember
Investment, Identifier [Axis]: Hotels, Restaurants & Leisure Warrants and Other Equity Securities Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		40,593		21,210
Amortized cost	[1]	$ 71,599		$ 71,599
Fair value	[3]	$ 64,875		$ 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]	[4],[5],[6],[7],[9],[10]	star:HouseholdDurablesFirstLienSeniorSecuredTermLoanMember		star:HouseholdDurablesFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Household Durables First Lien Senior Secured Term Loan Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		4,828,409		4,597,307
Amortized cost	[1]	$ 4,534,395		$ 4,534,757
Fair value	[3]	$ 3,867,034		$ 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]	[4],[5],[6],[7],[9],[10]	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	[3]	$ 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]	[4],[5],[6],[7],[9],[10]	star:HouseholdProductsFirstLienSeniorSecuredTermLoanMember		star:HouseholdProductsFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Household Products First Lien Senior Secured Term Loan Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		12,683,981		4,373,103
Amortized cost	[1]	$ 12,525,367		$ 4,339,971
Fair value	[3]	$ 12,683,981		$ 4,373,103
Percentage of net assets		5.30%		1.80%
Investment, Identifier [Axis]: Household Products Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	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	[3]	$ 1,150,000		$ 617,857
Percentage of net assets		0.50%		0.30%
Investment, Identifier [Axis]: IPA Intermediate Co., LLC (dba Integrated Pain Associates)First Lien Senior Secured Term Loan SOFR Spread 7.75% Interest Rate 11.40% Due 1/9/2028
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[16],[17]	star:IPAIntermediateCoLLCDbaIntegratedPainAssociatesFirstLienSeniorSecuredTermLoanSOFRSpread775InterestRate1140Due192028Member
Investment, Significant Unobservable Input [true false]	[16],[17]	true
Basis spread on variable rate	[11],[16],[17]	7.75%
Interest Rate	[16],[17]	11.40%
Acquisition date	[16],[17]	Jan. 09, 2023
Maturity date	[16],[17]	Jan. 09, 2028
Principal, Shares, Units	[16],[17]	12,361,934
Amortized cost	[1],[16],[17]	$ 12,198,461
Fair value	[3],[16],[17]	$ 12,361,934
Percentage of net assets	[16],[17]	5.20%
Investment, Identifier [Axis]: IPA Intermediate Co., LLC (dba Integrated Pain Associates)First Lien Senior Secured Term Loan SOFR Spread 7.75% Interest Rate 11.40% Due 1/9/2028 One
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[16],[17]	star:IPAIntermediateCoLLCDbaIntegratedPainAssociatesFirstLienSeniorSecuredTermLoanSOFRSpread775InterestRate1140Due192028OneMember
Investment, Significant Unobservable Input [true false]	[16],[17]	true
Basis spread on variable rate	[11],[16],[17]	7.75%
Interest Rate	[16],[17]	11.40%
Acquisition date	[16],[17]	Dec. 18, 2025
Maturity date	[16],[17]	Jan. 09, 2028
Principal, Shares, Units	[16],[17]	425,532
Amortized cost	[1],[16],[17]	$ 425,532
Fair value	[3],[16],[17]	$ 425,532
Percentage of net assets	[16],[17]	0.20%
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]	[4],[5],[6],[7],[8],[9],[10]			star:IPAIntermediateCoLLCDbaIntegratedPainAssociatesFirstLienSeniorSecuredTermLoanSOFRSpread801InterestRate1232Due192028Member
Investment, Significant Unobservable Input [true false]	[8]			true
Basis spread on variable rate	[8],[11]			8.01%
Interest Rate	[8]			12.32%
Acquisition date	[8]			Jan. 09, 2023
Maturity date	[8]			Jan. 09, 2028
Principal, Shares, Units	[8]			11,096,086
Amortized cost	[1],[8]			$ 10,864,449
Fair value	[3],[8]			$ 11,096,086
Percentage of net assets	[8]			4.60%
Investment, Identifier [Axis]: IPA Investors, LP Preferred Equity Securities Interest Rate 8.00% PIK
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10]	star:IPAInvestorsLPPreferredEquitySecuritiesInterestRate800PIKMember	[15]	star:IPAInvestorsLPPreferredEquitySecuritiesInterestRate800PIKMember
Investment, Significant Unobservable Input [true false]	[2]	true	[15]	true
Basis spread on variable rate	[2],[11]	0.00%	[15]	0.00%
PIK Interest Rate	[2]	8.00%	[15]	8.00%
Acquisition date	[2]	Jan. 09, 2023	[15]	Jan. 09, 2023
Principal, Shares, Units	[2]	2,749	[15]	1,953
Amortized cost	[1],[2]	$ 2,573,151	[15]	$ 2,029,287
Fair value	[2],[3]	$ 3,160,558	[15]	$ 1,918,048
Percentage of net assets	[2]	1.30%	[15]	0.80%
Investment, Identifier [Axis]: IT Services First Lien Senior Secured Term Loan
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]			star:ITServicesFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: IT Services First Lien Senior Secured Term Loan Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units				12,558,929
Amortized cost	[1]			$ 12,433,640
Fair value	[3]			$ 12,558,929
Percentage of net assets				5.20%
Investment, Identifier [Axis]: Investments First Lien Senior Secured Term Loan
Investments [Abstract]
Investment, Type [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	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]	$ 24,090,604		$ 23,642,127
Fair value	[3]	$ 24,141,031		$ 23,544,908
Percentage of net assets		10.20%		9.70%
Investment, Identifier [Axis]: Investments First Lien Senior Secured Term Loan Non-Affiliate Investments
Investments [Abstract]
Amortized cost	[1]	$ 300,673,152		$ 292,946,300
Fair value	[3]	$ 276,711,533		$ 280,575,134
Percentage of net assets		116.50%		116.40%
Investment, Identifier [Axis]: Investments Second Lien Senior Secured Loan
Investments [Abstract]
Investment, Type [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]			star:InvestmentsSecondLienSeniorSecuredLoanMember
Investment, Identifier [Axis]: Investments Second Lien Senior Secured Loan Non-Affiliate Investments
Investments [Abstract]
Amortized cost	[1]			$ 6,148,061
Fair value	[3]			$ 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]	[2],[4],[5],[6],[7],[9],[10]			star:JCFVHoldingsLLCPreferredEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[2]			true
Basis spread on variable rate	[2],[11]			0.00%
Interest Rate	[2]			0.00%
Acquisition date	[2]			Jul. 01, 2024
Principal, Shares, Units	[2]			415,916
Amortized cost	[1],[2]			$ 1,538,462
Fair value	[2],[3]			$ 1,538,462
Percentage of net assets	[2]			0.60%
Investment, Identifier [Axis]: JCFV Holdings, LLC, Preferred Equity Securities Interest Rate 8.00% PIK
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10],[15]	star:JCFVHoldingsLLCPreferredEquitySecuritiesInterestRate800PIKMember
Investment, Significant Unobservable Input [true false]	[2],[15]	true
Basis spread on variable rate	[2],[11],[15]	0.00%
PIK Interest Rate	[2],[15]	8.00%
Acquisition date	[2],[15]	Jul. 01, 2024
Principal, Shares, Units	[2],[15]	415,916
Amortized cost	[1],[2],[15]	$ 1,538,462
Fair value	[2],[3],[15]	$ 519,231
Percentage of net assets	[2],[15]	0.20%
Investment, Identifier [Axis]: Japonesque, LLC First Lien Senior Secured Term Loan Interest Rate 18.00% PIK Due 6/30/2027
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:JaponesqueLLCFirstLienSeniorSecuredTermLoanInterestRate1800PIKDue6302027Member
Investment, Significant Unobservable Input [true false]		true
Basis spread on variable rate	[11]	0.00%
PIK Interest Rate		18.00%
Acquisition date		Aug. 05, 2025
Maturity date		Jun. 30, 2027
Principal, Shares, Units		231,148
Amortized cost	[1]	$ 226,525
Fair value	[3]	$ 228,189
Percentage of net assets		0.10%
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]	[4],[5],[6],[7],[8],[9],[10],[22]			star:JaponesqueLLCFirstLienSeniorSecuredTermLoanSOFRSpread818InterestRate1249Due11232026Member
Investment, Significant Unobservable Input [true false]	[8],[22]			true
Basis spread on variable rate	[8],[11],[22]			8.18%
Interest Rate	[8],[22]			12.49%
Acquisition date	[8],[22]			Nov. 23, 2021
Maturity date	[8],[22]			Nov. 23, 2026
Principal, Shares, Units	[8],[22]			4,404,301
Amortized cost	[1],[8],[22]			$ 4,360,968
Fair value	[3],[8],[22]			$ 4,404,301
Percentage of net assets	[8],[22]			1.80%
Investment, Identifier [Axis]: Japonesque, LLC First Lien Senior Secured Term Loan SOFR Spread 9.48% Cash 0.69% PIK Interest rate 13.31% Cash 0.69% PIK Due 6/30/2027
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17],[22]	star:JaponesqueLLCFirstLienSeniorSecuredTermLoanSOFRSpread948Cash069PIKInterestRate1331Cash069PIKDue6302027Member
Investment, Significant Unobservable Input [true false]	[17],[22]	true
Basis spread on variable rate	[11],[17],[22]	9.48%
Paid in Kind Basis Spread Variable Rate	[11],[17],[22]	0.69%
Interest Rate	[17],[22]	13.13%
PIK Interest Rate	[17],[22]	0.69%
Acquisition date	[17],[22]	Nov. 23, 2021
Maturity date	[17],[22]	Jun. 30, 2027
Principal, Shares, Units	[17],[22]	4,304,034
Amortized cost	[1],[17],[22]	$ 4,270,684
Fair value	[3],[17],[22]	$ 4,304,034
Percentage of net assets	[17],[22]	1.80%
Investment, Identifier [Axis]: Jefferson Consulting Group, LLC First Lien Senior Secured Term Loan SOFR Spread 3.89% Cash Plus 3.91% PIK Interest Rate 7.54% Cash Plus 3.91% PIK Due 7/1/2029
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17],[22]	star:JeffersonConsultingGroupLLCFirstLienSeniorSecuredTermLoanSOFRSpread389CashPlus391PIKInterestRate754CashPlus391PIKDue712029Member
Investment, Significant Unobservable Input [true false]	[17],[22]	true
Basis spread on variable rate	[11],[17],[22]	3.89%
Paid in Kind Basis Spread Variable Rate	[11],[17],[22]	3.91%
Interest Rate	[17],[22]	7.54%
PIK Interest Rate	[17],[22]	3.91%
Acquisition date	[17],[22]	Jul. 01, 2024
Maturity date	[17],[22]	Jul. 01, 2029
Principal, Shares, Units	[17],[22]	8,722,712
Amortized cost	[1],[17],[22]	$ 8,598,222
Fair value	[3],[17],[22]	$ 7,565,829
Percentage of net assets	[17],[22]	3.20%
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]	[4],[5],[6],[7],[8],[9],[10],[22]			star:JeffersonConsultingGroupLLCFirstLienSeniorSecuredTermLoanSOFRSpread575InterestRate1006Due712029Member
Investment, Significant Unobservable Input [true false]	[8],[22]			true
Basis spread on variable rate	[8],[11],[22]			5.75%
Interest Rate	[8],[22]			10.06%
Acquisition date	[8],[22]			Jul. 01, 2024
Maturity date	[8],[22]			Jul. 01, 2029
Principal, Shares, Units	[8],[22]			8,461,538
Amortized cost	[1],[8],[22]			$ 8,303,804
Fair value	[3],[8],[22]			$ 8,303,804
Percentage of net assets	[8],[22]			3.40%
Investment, Identifier [Axis]: Kassel Mechanical, LLC First Lien Senior Secured Term Loan SOFR Spread 7.66% Cash Plus 0.34% PIK Interest Rate 11.35% Cash Plus 0.34% PIK Due 9/17/2029
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[13]	star:KasselMechanicalLLCFirstLienSeniorSecuredTermLoanSOFRSpread766CashPlus034PIKInterestRate1135CashPlus034PIKDue9172029Member
Investment, Significant Unobservable Input [true false]	[13]	true
Basis spread on variable rate	[11],[13]	7.66%
Paid in Kind Basis Spread Variable Rate	[11],[13]	0.34%
Interest Rate	[13]	11.35%
PIK Interest Rate	[13],[14],[20]	0.34%
Acquisition date	[13]	Mar. 17, 2025
Maturity date	[13]	Sep. 17, 2029
Principal, Shares, Units	[13]	12,337,305
Amortized cost	[1],[13]	$ 12,178,493
Fair value	[3],[13]	$ 12,242,307
Percentage of net assets	[13]	5.20%
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]	[4],[5],[6],[7],[8],[9],[10],[18]			star:KelsoIndustriesFirstLienSeniorSecuredTermLoanSOFRSpread575InterestRate1006Due12302029Member
Investment, Significant Unobservable Input [true false]	[8],[18]			true
Basis spread on variable rate	[8],[11],[18]			5.75%
Interest Rate	[8],[18]			10.06%
Acquisition date	[8],[18]			Dec. 31, 2024
Maturity date	[8],[18]			Dec. 30, 2029
Principal, Shares, Units	[8],[18]			13,000,000
Amortized cost	[1],[8],[18]			$ 12,740,177
Fair value	[3],[8],[18]			$ 12,740,177
Percentage of net assets	[8],[18]			5.30%
Investment, Identifier [Axis]: Kelso Industries First Lien Senior Secured Term Loan SOFR Spread 5.75% Interest Rate 9.40% Due 12/30/2029
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17]	star:KelsoIndustriesFirstLienSeniorSecuredTermLoanSOFRSpread575InterestRate940Due12302029Member
Investment, Significant Unobservable Input [true false]	[17]	true
Basis spread on variable rate	[11],[17]	5.75%
Interest Rate	[17]	9.40%
Acquisition date	[17]	Dec. 31, 2024
Maturity date	[17]	Dec. 30, 2029
Principal, Shares, Units	[17]	9,007,713
Amortized cost	[1],[17]	$ 8,866,218
Fair value	[3],[17]	$ 9,007,713
Percentage of net assets	[17]	3.80%
Investment, Identifier [Axis]: Kelso Industries First Lien Senior Secured Term Loan SOFR Spread 5.75% Interest Rate 9.40% Due 12/30/2029 One
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17]	star:KelsoIndustriesOneFirstLienSeniorSecuredTermLoanSOFRSpread575InterestRate940Due12302029Member
Investment, Significant Unobservable Input [true false]	[17]	true
Basis spread on variable rate	[11],[17]	5.75%
Interest Rate	[17]	9.40%
Acquisition date	[17]	Mar. 12, 2025
Maturity date	[17]	Dec. 30, 2029
Principal, Shares, Units	[17]	3,433,239
Amortized cost	[1],[17]	$ 3,433,239
Fair value	[3],[17]	$ 3,433,239
Percentage of net assets	[17]	1.40%
Investment, Identifier [Axis]: Klein Hersh, LLC First Lien Senior Secured Term Loan SOFR Spread 0.24% Interest Rate 3.89% Due 4/27/2028
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17],[22]	star:KleinHershLLCFirstLienSeniorSecuredTermLoanSOFRSpread024InterestRate389Due4272028Member
Investment, Significant Unobservable Input [true false]	[17],[22]	true
Basis spread on variable rate	[11],[17],[22]	0.24%
Interest Rate	[17],[22]	3.89%
Acquisition date	[17],[22]	Apr. 27, 2022
Maturity date	[17],[22]	Apr. 27, 2028
Principal, Shares, Units	[17],[22]	17,285,870
Amortized cost	[1],[17],[22]	$ 16,790,860
Fair value	[3],[17],[22]	$ 15,081,922
Percentage of net assets	[17],[22]	6.40%
Investment, Identifier [Axis]: Klein Hersh, LLC First Lien Senior Secured Term Loan SOFR Spread 7.76% Interest Rate 4.49% Cash Due 4/27/2027
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[8],[9],[10],[22]			star:KleinHershLLCFirstLienSeniorSecuredTermLoanSOFRSpread776InterestRate449CashDue4272027Member
Investment, Significant Unobservable Input [true false]	[8],[22]			true
Basis spread on variable rate	[8],[11],[22]			7.76%
Interest Rate	[8],[22]			4.49%
Acquisition date	[8],[22]			Apr. 27, 2022
Maturity date	[8],[22]			Apr. 27, 2027
Principal, Shares, Units	[8],[22]			17,468,922
Amortized cost	[1],[8],[22]			$ 16,895,893
Fair value	[3],[8],[22]			$ 14,530,649
Percentage of net assets	[8],[22]			6.00%
Investment, Identifier [Axis]: Klein Hersh, LLC Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:KleinHershLLCWarrantsAndOtherEquitySecuritiesMember		star:KleinHershLLCWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]		true		true
Basis spread on variable rate	[11]	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	[3]	$ 0		$ 0
Percentage of net assets		0.00%		0.00%
Investment, Identifier [Axis]: LRI Holdco, LLC (dba Linden Labs) Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10]	star:LRIHoldcoLLCDbaLindenLabsWarrantsAndOtherEquitySecuritiesMember	[15]	star:LRIHoldcoLLCDbaLindenLabsWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[2]	true	[15]	true
Basis spread on variable rate	[2],[11]	0.00%	[15]	0.00%
Interest Rate	[2]	0.00%	[15]	0.00%
Acquisition date	[2]	Dec. 31, 2020	[15]	Dec. 31, 2020
Principal, Shares, Units	[2]	1	[15]	2
Amortized cost	[1],[2]	$ 0	[15]	$ 43,478
Fair value	[2],[3]	$ 150,697	[15]	$ 371,747
Percentage of net assets	[2]	0.10%	[15]	0.20%
Investment, Identifier [Axis]: LRI Holdco, LLC (dba Linden Labs) Warrants and Other Equity Securities One
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[15]	star:LRIHoldcoLLCDbaLindenLabsWarrantsAndOtherEquitySecuritiesOneMember
Investment, Significant Unobservable Input [true false]	[15]	true
Basis spread on variable rate	[11],[15]	0.00%
Interest Rate	[15]	0.00%
Acquisition date	[15]	Dec. 31, 2020
Principal, Shares, Units	[15]	1
Amortized cost	[1],[15]	$ 43,478
Fair value	[3],[15]	$ 196,056
Percentage of net assets	[15]	0.10%
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]	[4],[5],[6],[7],[9],[10],[12],[21],[22]			star:LasalleStaffingLLCFirstLienSeniorSecuredTermLoanSOFRSpread686InterestRate1119Due2152027Member
Investment, Significant Unobservable Input [true false]	[12],[21],[22]			true
Basis spread on variable rate	[11],[12],[21],[22]			6.86%
Interest Rate	[12],[21],[22]			11.19%
Acquisition date	[12],[21],[22]			Feb. 15, 2022
Maturity date	[12],[21],[22]			Feb. 15, 2027
Principal, Shares, Units	[12],[21],[22]			7,250,785
Amortized cost	[1],[12],[21],[22]			$ 7,154,058
Fair value	[3],[12],[21],[22]			$ 7,287,039
Percentage of net assets	[12],[21],[22]			3.00%
Investment, Identifier [Axis]: Lasalle Staffing, LLC First Lien Senior Secured Term Loan SOFR Spread 8.45% Interest Rate 12.14% Due 2/15/2027
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[13],[19],[22]	star:LasalleStaffingLLCFirstLienSeniorSecuredTermLoanSOFRSpread845InterestRate1214Due2152027Member
Investment, Significant Unobservable Input [true false]	[6],[13],[19],[22]	true
Basis spread on variable rate	[6],[11],[13],[19],[22]	8.45%
Interest Rate	[6],[13],[19],[22]	12.14%
Acquisition date	[6],[13],[19],[22]	Feb. 15, 2022
Maturity date	[6],[13],[19],[22]	Feb. 15, 2027
Principal, Shares, Units	[6],[13],[19],[22]	7,150,785
Amortized cost	[1],[6],[13],[19],[22]	$ 7,076,775
Fair value	[3],[6],[13],[19],[22]	$ 7,150,785
Percentage of net assets	[6],[13],[19],[22]	3.00%
Investment, Identifier [Axis]: Leisure Products First Lien Senior Secured Term Loan
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:LeisureProductsFirstLienSeniorSecuredTermLoanMember		star:LeisureProductsFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Leisure Products First Lien Senior Secured Term Loan Controlled Investments
Investments [Abstract]
Principal, Shares, Units		1,786,561		1,570,577
Amortized cost	[1]	$ 1,781,191		$ 1,560,737
Fair value	[3]	$ 1,712,240		$ 1,448,543
Percentage of net assets		0.70%		0.60%
Investment, Identifier [Axis]: Leisure Products Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	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	[3]	$ 1,695,478		$ 1,782,334
Percentage of net assets		0.70%		0.70%
Investment, Identifier [Axis]: Linden Research, Inc. (dba Linden Labs) First Lien Senior Secured Term Loan SOFR Spread 7.26% Cash Plus 3.25% PIK Interest Rate 11.57% Cash Plus 3.25 PIK Due 12/31/2025
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[8],[9],[10],[22]			star:LindenResearchIncDbaLindenLabsFirstLienSeniorSecuredTermLoanSOFRSpread726CashPlus325PIKInterestRate1157CashPlus325PIKDue12312025Member
Investment, Significant Unobservable Input [true false]	[8],[22]			true
Basis spread on variable rate	[8],[11],[22]			7.26%
Paid in Kind Basis Spread Variable Rate	[8],[11],[22]			3.25%
Interest Rate	[8],[22]			11.57%
PIK Interest Rate	[8],[22]			3.25%
Acquisition date	[8],[22]			Dec. 31, 2020
Maturity date	[8],[22]			Dec. 31, 2025
Principal, Shares, Units	[8],[22]			4,702,225
Amortized cost	[1],[8],[22]			$ 4,630,079
Fair value	[3],[8],[22]			$ 4,702,225
Percentage of net assets	[8],[22]			2.00%
Investment, Identifier [Axis]: Linden Research, Inc. (dba Linden Labs) First Lien Senior Secured Term Loan SOFR Spread 7.67% Cash Plus 3.56% PIK Interest Rate 11.32% Cash Plus 3.56% PIK Due 9/30/2028
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17],[22]	star:LindenResearchIncDbaLindenLabsFirstLienSeniorSecuredTermLoanSOFRSpread767CashPlus356PIKInterestRate1132CashPlus356PIKDue9302028Member
Investment, Significant Unobservable Input [true false]	[17],[22]	true
Basis spread on variable rate	[11],[17],[22]	7.67%
Paid in Kind Basis Spread Variable Rate	[11],[17],[22]	3.56%
Interest Rate	[17],[22]	11.32%
PIK Interest Rate	[17],[22]	3.56%
Acquisition date	[17],[22]	Dec. 31, 2020
Maturity date	[17],[22]	Sep. 30, 2028
Principal, Shares, Units	[17],[22]	18,260,031
Amortized cost	[1],[17],[22]	$ 18,080,381
Fair value	[3],[17],[22]	$ 18,260,031
Percentage of net assets	[17],[22]	7.70%
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]	[4],[5],[6],[7],[8],[9],[10],[21]			star:MPUSALLCDbaMissionFirstLienSeniorSecuredTermLoanSOFRSpread826CashPlus300PIKInterestRate1257CashPlus300PIKDue1292026Member
Investment, Significant Unobservable Input [true false]	[8],[21]			true
Basis spread on variable rate	[8],[11],[21]			8.26%
Paid in Kind Basis Spread Variable Rate	[8],[11],[21]			3.00%
Interest Rate	[8],[21]			12.57%
PIK Interest Rate	[8],[21]			3.00%
Acquisition date	[8],[21]			Dec. 09, 2021
Maturity date	[8],[21]			Dec. 09, 2026
Principal, Shares, Units	[8],[21]			1,570,577
Amortized cost	[1],[8],[21]			$ 1,560,737
Fair value	[3],[8],[21]			$ 1,448,543
Percentage of net assets	[8],[21]			0.60%
Investment, Identifier [Axis]: MPUSA, LLC (dba Mission) First Lien Senior Secured Term Loan SOFR Spread 9.26% PIK Interest Rate 12.91% PIK Due 12/9/2026
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17],[19]	star:MPUSALLCDbaMissionFirstLienSeniorSecuredTermLoanSOFRSpread926PIKInterestRate1291PIKDue1292026Member
Investment, Significant Unobservable Input [true false]	[6],[17],[19]	true
Paid in Kind Basis Spread Variable Rate	[6],[11],[17],[19]	9.26%
PIK Interest Rate	[6],[17],[19]	12.91%
Acquisition date	[6],[17],[19]	Dec. 09, 2021
Maturity date	[6],[17],[19]	Dec. 09, 2026
Principal, Shares, Units	[6],[17],[19]	1,786,561
Amortized cost	[1],[6],[17],[19]	$ 1,781,191
Fair value	[3],[6],[17],[19]	$ 1,712,240
Percentage of net assets	[6],[17],[19]	0.70%
Investment, Identifier [Axis]: Machinery First Lien Senior Secured Term Loan
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:MachineryFirstLienSeniorSecuredTermLoanMember		star:MachineryFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Machinery First Lien Senior Secured Term Loan Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		4,427,923		4,605,541
Amortized cost	[1]	$ 4,382,109		$ 4,547,261
Fair value	[3]	$ 3,645,509		$ 3,968,595
Percentage of net assets		1.50%		1.60%
Investment, Identifier [Axis]: Machinery Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	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	[3]	$ 0		$ 249,355
Percentage of net assets		0.00%		0.10%
Investment, Identifier [Axis]: Madryn Select Opportunities, LP Fund Investments
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:MadrynSelectOpportunitiesLPFundInvestmentsMember	[15],[16]	star:MadrynSelectOpportunitiesLPFundInvestmentsMember	[18]
Investment, Significant Unobservable Input [true false]		true	[15],[16]	true	[18]
Basis spread on variable rate	[11]	0.00%	[15],[16]	0.00%	[18]
Interest Rate		0.00%	[15],[16]	0.00%	[18]
Acquisition date		Jan. 04, 2022	[15],[16]	Jan. 04, 2022	[18]
Principal, Shares, Units		0	[15],[16]	2,855,855	[18]
Amortized cost	[1]	$ 2,529,567	[15],[16]	$ 2,898,305	[18]
Fair value	[3]	$ 1,925,246	[15],[16]	$ 2,688,619	[18]
Percentage of net assets		0.80%	[15],[16]	1.10%	[18]
Investment, Identifier [Axis]: Masterwork Electronics, Inc. First Lien Senior Secured Term Loan SOFR Spread 7.65% Interest Rate 11.30% PIK Due 11/17/2027
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[14],[17]	star:MasterworkElectronicsIncFirstLienSeniorSecuredTermLoanSOFRSpread765InterestRate1130PIKDue11172027Member
Investment, Significant Unobservable Input [true false]	[14],[17]	true
Basis spread on variable rate	[11],[14],[17]	7.65%
Interest Rate	[14],[17]	11.30%
Acquisition date	[14],[17]	Nov. 17, 2022
Maturity date	[14],[17]	Nov. 17, 2027
Principal, Shares, Units	[14],[17]	8,840,576
Amortized cost	[1],[14],[17]	$ 8,638,547
Fair value	[3],[14],[17]	$ 828,362
Percentage of net assets	[14],[17]	0.30%
Investment, Identifier [Axis]: Masterwork Electronics, Inc. First Lien Senior Secured Term Loan SOFR Spread 7.65% Interest Rate 11.30% PIK Due 11/17/2027 One
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[14],[17],[28]	star:MasterworkElectronicsIncFirstLienSeniorSecuredTermLoanSOFRSpread765InterestRate1130PIKDue11172027OneMember
Investment, Significant Unobservable Input [true false]	[14],[17],[28]	true
Basis spread on variable rate	[11],[14],[17],[28]	7.65%
Interest Rate	[14],[17],[28]	11.30%
Acquisition date	[14],[17],[28]	Nov. 17, 2022
Maturity date	[14],[17],[28]	Nov. 17, 2027
Principal, Shares, Units	[14],[17],[28]	521,739
Amortized cost	[1],[14],[17],[28]	$ 521,739
Fair value	[3],[14],[17],[28]	$ 48,887
Percentage of net assets	[14],[17],[28]	0.00%
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]	[4],[5],[6],[7],[8],[9],[10],[14],[25]			star:MasterworkElectronicsIncFirstLienSeniorSecuredTermLoanSOFRSpread765InterestRate1196PIKDue11172027Member
Investment, Significant Unobservable Input [true false]	[8],[14],[25]			true
Basis spread on variable rate	[8],[11],[14],[25]			7.65%
Interest Rate	[8],[14],[25]			11.96%
Acquisition date	[8],[14],[25]			Nov. 17, 2022
Maturity date	[8],[14],[25]			Nov. 17, 2027
Principal, Shares, Units	[8],[14],[25]			8,840,576
Amortized cost	[1],[8],[14],[25]			$ 8,676,598
Fair value	[3],[8],[14],[25]			$ 5,410,433
Percentage of net assets	[8],[14],[25]			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]	[4],[5],[6],[7],[8],[9],[10],[14],[25],[28]			star:MasterworkElectronicsIncFirstLienSeniorSecuredTermLoanSOFRSpread765InterestRate1196PIKDue11172027OneMember
Investment, Significant Unobservable Input [true false]	[8],[14],[25],[28]			true
Basis spread on variable rate	[8],[11],[14],[25],[28]			7.65%
Interest Rate	[8],[14],[25],[28]			11.96%
Acquisition date	[8],[14],[25],[28]			Nov. 17, 2022
Maturity date	[8],[14],[25],[28]			Nov. 17, 2027
Principal, Shares, Units	[8],[14],[25],[28]			521,739
Amortized cost	[1],[8],[14],[25],[28]			$ 521,739
Fair value	[3],[8],[14],[25],[28]			$ 319,304
Percentage of net assets	[8],[14],[25],[28]			0.10%
Investment, Identifier [Axis]: MechanAir Holdings, LLC Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10],[15],[20]	star:MechanAirHoldingsLLCPreferredEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[2],[15],[20]	true
Basis spread on variable rate	[2],[11],[15],[20]	0.00%
Interest Rate	[2],[15],[20]	0.00%
Acquisition date	[2],[15],[20]	Sep. 17, 2025
Principal, Shares, Units	[2],[15],[20]	65
Amortized cost	[1],[2],[15],[20]	$ 61,608
Fair value	[2],[3],[15],[20]	$ 735,515
Percentage of net assets	[2],[15],[20]	0.30%
Investment, Identifier [Axis]: MechanAir Holdings, LLC Preferred Equity Securities Interest Rate 13.50% PIK
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10],[20]	star:MechanAirHoldingsLLCPreferredEquitySecuritiesInterestRate1350PIKMember	[15]	star:MechanAirHoldingsLLCPreferredEquitySecuritiesInterestRate1350PIKMember
Investment, Significant Unobservable Input [true false]	[2],[20]	true	[15]	true
Basis spread on variable rate	[2],[11],[20]	0.00%	[15]	0.00%
PIK Interest Rate	[2],[20]	13.50%	[15]	13.50%
Acquisition date	[2],[20]	Sep. 02, 2021	[15]	Sep. 02, 2021
Principal, Shares, Units	[2],[20]	1,704	[15]	1,704
Amortized cost	[1],[2],[20]	$ 1,703,499	[15]	$ 1,703,499
Fair value	[2],[3],[20]	$ 2,578,541	[15]	$ 2,193,365
Percentage of net assets	[2],[20]	1.10%	[15]	0.90%
Investment, Identifier [Axis]: MechanAir, LLC First Lien Senior Secured Term Loan SOFR Spread 10.80% Interest Rate 10.57% Cash Plus 4.53% PIK Due 9/2/2026
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[8],[9],[10]			star:MechanAirLLCFirstLienSeniorSecuredTermLoanSOFRSpread1080InterestRate1057CashPlus453PIKDue922026Member
Investment, Significant Unobservable Input [true false]	[8]			true
Basis spread on variable rate	[8],[11]			10.80%
Interest Rate	[8]			10.57%
PIK Interest Rate	[8]			4.53%
Acquisition date	[8]			Sep. 02, 2021
Maturity date	[8]			Sep. 02, 2026
Principal, Shares, Units	[8]			13,203,004
Amortized cost	[1],[8]			$ 13,072,674
Fair value	[3],[8]			$ 13,203,004
Percentage of net assets	[8]			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]	[4],[5],[6],[7],[9],[10],[20]			star:MechanAirLLCFirstLienSeniorSecuredTermLoanSOFRSpread1800PIKDue922026Member
Investment, Significant Unobservable Input [true false]	[20]			true
Basis spread on variable rate	[11],[20]			0.00%
Interest Rate	[20]			18.00%
Acquisition date	[20]			Dec. 15, 2023
Maturity date	[20]			Sep. 02, 2026
Principal, Shares, Units	[20]			509,104
Amortized cost	[1],[20]			$ 509,104
Fair value	[3],[20]			$ 504,726
Percentage of net assets	[20]			0.20%
Investment, Identifier [Axis]: MechanAir, LLC First Lien Senior Secured Term Loan SOFR Spread 6.00% Interest Rate 9.65% Due 12/18/2031
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[14],[17],[20]	star:ConsolidatedMachineAndToolHoldingsLLCFirstLienSeniorSecuredTermLoanSOFRSpread1100PIKDue6302026Member, star:MechanAirLLCFirstLienSeniorSecuredTermLoanSOFRSpread600InterestRate965Due12182031Member
Investment, Significant Unobservable Input [true false]	[14],[17],[20]	true
Basis spread on variable rate	[11],[14],[17],[20]	6.00%
Interest Rate	[14],[17],[20]	9.65%
Acquisition date	[14],[17],[20]	Dec. 18, 2025
Maturity date	[14],[17],[20]	Dec. 18, 2031
Principal, Shares, Units	[14],[17],[20]	652,987
Amortized cost	[1],[14],[17],[20]	$ 646,769
Fair value	[3],[14],[17],[20]	$ 646,769
Percentage of net assets	[14],[17],[20]	0.30%
Investment, Identifier [Axis]: MechanAir, LLC First Lien Senior Secured Term Loan SOFR Spread 6.00% Interest Rate 9.65% Due 12/18/2031 One
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17],[29]	star:MechanAirLLCFirstLienSeniorSecuredTermLoanSOFRSpread600InterestRate965Due12182031OneMember
Investment, Significant Unobservable Input [true false]	[17],[29]	true
Basis spread on variable rate	[11],[17],[29]	6.00%
Interest Rate	[17],[29]	9.65%
Acquisition date	[17],[29]	Dec. 18, 2025
Maturity date	[17],[29]	Dec. 18, 2031
Principal, Shares, Units	[17],[29]	5,789,474
Amortized cost	[1],[17],[29]	$ 5,745,056
Fair value	[3],[17],[29]	$ 5,745,056
Percentage of net assets	[17],[29]	2.40%
Investment, Identifier [Axis]: Media First Lien Senior Secured Term Loan
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:MediaFirstLienSeniorSecuredTermLoanMember		star:MediaFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Media First Lien Senior Secured Term Loan Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		17,601,264		17,495,108
Amortized cost	[1]	$ 17,502,628		$ 17,248,937
Fair value	[3]	$ 16,282,928		$ 17,221,475
Percentage of net assets		6.90%		7.10%
Investment, Identifier [Axis]: Media Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	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	[3]	$ 3,437,889		$ 9,704,567
Percentage of net assets		1.40%		4.00%
Investment, Identifier [Axis]: Media Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:MediaWarrantsAndOtherEquitySecuritiesMember
Investment, Identifier [Axis]: Media Warrants and Other Equity Securities Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		819,478
Amortized cost	[1]	$ 0
Fair value	[3]	$ 1,384,954
Percentage of net assets		0.60%
Investment, Identifier [Axis]: Microf, LLC Preferred Equity Securities Interest Rate 15.00% PIK
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[14],[21]			star:MicrofLLCPreferredEquitySecuritiesInterestRate1500PIKMember
Investment, Significant Unobservable Input [true false]	[14],[21]			true
Basis spread on variable rate	[11],[14],[21]			0.00%
PIK Interest Rate	[14],[21]			15.00%
Acquisition date	[14],[21]			May 05, 2020
Principal, Shares, Units	[14],[21]			0
Amortized cost	[1],[14],[21]			$ 0
Fair value	[3],[14],[21]			$ 0
Percentage of net assets	[14],[21]			0.00%
Investment, Identifier [Axis]: Microf, LLC Senior Unsecured Notes SOFR Spread 10.85% Interest Rate 14.50% Due 11/30/2027
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17],[19]	star:MicrofLLCSeniorUnsecuredNotesSOFRSpread1085InterestRate1450Due11302027Member
Investment, Significant Unobservable Input [true false]	[6],[17],[19]	true
Basis spread on variable rate	[6],[11],[17],[19]	10.85%
Interest Rate	[6],[17],[19]	14.50%
Acquisition date	[6],[17],[19]	Mar. 29, 2019
Maturity date	[6],[17],[19]	Nov. 30, 2027
Principal, Shares, Units	[6],[17],[19]	3,714,429
Amortized cost	[1],[6],[17],[19]	$ 3,695,851
Fair value	[3],[6],[17],[19]	$ 3,763,831
Percentage of net assets	[6],[17],[19]	1.60%
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]	[4],[5],[6],[7],[9],[10],[14],[21]			star:MicrofLLCSeniorUnsecuredNotesSOFRSpread1085InterestRate1516Due6302025Member
Investment, Significant Unobservable Input [true false]	[14],[21]			true
Basis spread on variable rate	[11],[14],[21]			10.85%
Interest Rate	[14],[21]			15.16%
Acquisition date	[14],[21]			Mar. 29, 2019
Maturity date	[14],[21]			Jun. 30, 2025
Principal, Shares, Units	[14],[21]			3,427,073
Amortized cost	[1],[14],[21]			$ 3,427,073
Fair value	[3],[14],[21]			$ 3,427,073
Percentage of net assets	[14],[21]			1.40%
Investment, Identifier [Axis]: NSC Holdings, LLC Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10]	star:NSCHoldingsLLCWarrantsAndOtherEquitySecuritiesMember	[15]	star:NSCHoldingsLLCWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[2]	true	[15]	true
Basis spread on variable rate	[2],[11]	0.00%	[15]	0.00%
Interest Rate	[2]	0.00%	[15]	0.00%
Acquisition date	[2]	Apr. 26, 2019	[15]	Apr. 26, 2019
Principal, Shares, Units	[2]	111	[15]	111
Amortized cost	[1],[2]	$ 271,262	[15]	$ 271,262
Fair value	[2],[3]	$ 639,920	[15]	$ 290,774
Percentage of net assets	[2]	0.30%	[15]	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]	[4],[5],[6],[7],[8],[9],[10],[22]			star:NSCTechnologiesLLCFirstLienSeniorSecuredTermLoanSOFRSpread826InterestRate1257Due10262026Member
Investment, Significant Unobservable Input [true false]	[8],[22]			true
Basis spread on variable rate	[8],[11],[22]			8.26%
Interest Rate	[8],[22]			12.57%
Acquisition date	[8],[22]			Apr. 26, 2019
Maturity date	[8],[22]			Oct. 26, 2026
Principal, Shares, Units	[8],[22]			4,148,472
Amortized cost	[1],[8],[22]			$ 4,121,315
Fair value	[3],[8],[22]			$ 4,117,773
Percentage of net assets	[8],[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]	[4],[5],[6],[7],[8],[9],[10]			star:NWEntertainmentLLCFirstLienSeniorSecuredTermLoanSOFRSpread776InterestRate1207Due1142027Member
Investment, Significant Unobservable Input [true false]	[8]			true
Basis spread on variable rate	[8],[11]			7.76%
Interest Rate	[8]			12.07%
Acquisition date	[8]			Nov. 04, 2022
Maturity date	[8]			Nov. 04, 2027
Principal, Shares, Units	[8]			6,235,769
Amortized cost	[1],[8]			$ 6,135,904
Fair value	[3],[8]			$ 6,175,905
Percentage of net assets	[8]			2.60%
Investment, Identifier [Axis]: NW Entertainment, LLC First Lien Senior Secured Term Loan SOFR Spread 8.51% Cash Plus 1.50% PIK Interest Rate 12.16% Cash Plus 1.50% PIK Due 11/4/2027
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17]	star:NWEntertainmentLLCFirstLienSeniorSecuredTermLoanSOFRSpread851CashPlus150PIKInterestRate1216CashPlus150PIKDue1142027Member
Investment, Significant Unobservable Input [true false]	[17]	true
Basis spread on variable rate	[11],[17]	8.51%
Paid in Kind Basis Spread Variable Rate	[11],[17]	1.50%
Interest Rate	[17]	12.16%
PIK Interest Rate	[17]	1.50%
Acquisition date	[17]	Nov. 04, 2022
Maturity date	[17]	Nov. 04, 2027
Principal, Shares, Units	[17]	6,164,071
Amortized cost	[1],[17]	$ 6,095,887
Fair value	[3],[17]	$ 6,038,324
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]	[2],[4],[5],[6],[7],[9],[10]	star:NWEntertainmentLLCPreferredEquitySecuritiesInterestRate1000PIKDue1142022Member, star:NWEntertainmentLLCPreferredEquitySecuritiesInterestRate1000PIKMember	[15]	star:NWEntertainmentLLCPreferredEquitySecuritiesInterestRate1000PIKMember
Investment, Significant Unobservable Input [true false]	[2]	true	[15]	true
Basis spread on variable rate	[2],[11]	0.00%	[15]	0.00%
PIK Interest Rate	[2]	10.00%	[15]	10.00%
Acquisition date	[2]	Nov. 04, 2022	[15]	Nov. 04, 2022
Principal, Shares, Units	[2]	1,183	[15]	1,183
Amortized cost	[1],[2]	$ 1,134,428	[15]	$ 1,134,428
Fair value	[2],[3]	$ 1,550,416	[15]	$ 1,385,764
Percentage of net assets	[2]	0.70%	[15]	0.60%
Investment, Identifier [Axis]: NW Entertainment, LLC Preferred Equity Securities Interest Rate 12.00% PIK
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10],[15]	star:NWEntertainmentLLCPreferredEquitySecuritiesInterestRate1200PIKMember
Investment, Significant Unobservable Input [true false]	[2],[15]	true
Basis spread on variable rate	[2],[11],[15]	0.00%
PIK Interest Rate	[2],[15]	12.00%
Acquisition date	[2],[15]	Feb. 27, 2025
Principal, Shares, Units	[2],[15]	826
Amortized cost	[1],[2],[15]	$ 531,143
Fair value	[2],[3],[15]	$ 1,024,009
Percentage of net assets	[2],[15]	0.40%
Investment, Identifier [Axis]: Non-Affiliate Investments
Investments [Abstract]
Investment, Issuer Affiliation [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:InvestmentUnaffiliatedIssuersMember		star:InvestmentUnaffiliatedIssuersMember
Amortized cost	[1]	$ 324,546,406		$ 325,265,220
Fair value	[3]	$ 312,185,808		$ 326,959,520
Percentage of net assets		131.40%		135.70%
Investment, Identifier [Axis]: Nurses 24/7 Holdings, LLC Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10]	star:Nurses247HoldingsLLCWarrantsAndOtherEquitySecuritiesMember	[15]	star:Nurses247HoldingsLLCWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[2]	true	[15]	true
Basis spread on variable rate	[2],[11]	0.00%	[15]	0.00%
Interest Rate	[2]	0.00%	[15]	0.00%
Acquisition date	[2]	May 26, 2023	[15]	May 26, 2023
Principal, Shares, Units	[2]	182	[15]	182
Amortized cost	[1],[2]	$ 419,877	[15]	$ 419,877
Fair value	[2],[3]	$ 35,143	[15]	$ 196,856
Percentage of net assets	[2]	0.00%	[15]	0.10%
Investment, Identifier [Axis]: PQT Ayaquhs, LLC (dba WWC Global) First Lien Senior Secured Term Loan SOFR Spread 5.76% Interest Rate 9.41% Due 8/1/2027
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17]	star:PQTAyaquhsLLCDbaWWCGlobalFirstLienSeniorSecuredTermLoanSOFRSpread576InterestRate941Due812027Member
Investment, Significant Unobservable Input [true false]	[17]	true
Basis spread on variable rate	[11],[17]	5.76%
Interest Rate	[17]	9.41%
Acquisition date	[17]	Aug. 01, 2022
Maturity date	[17]	Aug. 01, 2027
Principal, Shares, Units	[17]	3,437,642
Amortized cost	[1],[17]	$ 3,408,886
Fair value	[3],[17]	$ 3,437,642
Percentage of net assets	[17]	1.40%
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]	[4],[5],[6],[7],[8],[9],[10]			star:PQTAyaquhsLLCDbaWWCGlobalFirstLienSeniorSecuredTermLoanSOFRSpread726InterestRate1178Due812027Member
Investment, Significant Unobservable Input [true false]	[8]			true
Basis spread on variable rate	[8],[11]			7.26%
Interest Rate	[8]			11.78%
Acquisition date	[8]			Aug. 01, 2022
Maturity date	[8]			Aug. 01, 2027
Principal, Shares, Units	[8]			7,409,274
Amortized cost	[1],[8]			$ 7,311,194
Fair value	[3],[8]			$ 7,483,367
Percentage of net assets	[8]			3.10%
Investment, Identifier [Axis]: PQT Ayaquhs, LLC (dba WWC Global) Preferred Equity Securities Interest Rate 10.50% PIK
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10],[20]	star:PQTAyaquhsLLCDbaWWCGlobalPreferredEquitySecuritiesInterestRate1050PIKMember	[15]	star:PQTAyaquhsLLCDbaWWCGlobalPreferredEquitySecuritiesInterestRate1050PIKMember
Investment, Significant Unobservable Input [true false]	[2],[20]	true	[15]	true
Basis spread on variable rate	[2],[11],[20]	0.00%	[15]	0.00%
Interest Rate	[2],[15],[20]	10.50%
PIK Interest Rate	[2],[20]			10.50%
Acquisition date	[2],[20]	Aug. 01, 2022	[15]	Aug. 01, 2022
Principal, Shares, Units	[2],[20]	5,774	[15]	5,774
Amortized cost	[1],[2],[20]	$ 1,064,516	[15]	$ 1,064,516
Fair value	[2],[3],[20]	$ 4,577,419	[15]	$ 4,528,036
Percentage of net assets	[2],[20]	1.90%	[15]	1.80%
Investment, Identifier [Axis]: PQT Ayaquhs, LLC (dba WWC Global) Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:PQTAyaquhsLLCDbaWWCGlobalWarrantsAndOtherEquitySecuritiesMember	[15]	star:PQTAyaquhsLLCDbaWWCGlobalWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]		true	[15]	true
Basis spread on variable rate	[11]	0.00%	[15]	0.00%
Interest Rate		0.00%	[15]	0.00%
Acquisition date		Aug. 01, 2022	[15]	Aug. 01, 2022
Principal, Shares, Units		645	[15]	645
Amortized cost	[1]	$ 0	[15]	$ 0
Fair value	[3]	$ 377,419	[15]	$ 353,135
Percentage of net assets		0.20%	[15]	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]	[2],[4],[5],[6],[7],[9],[10],[20]	star:PadSquadHoldingsLLCDbaPadsquadPreferredEquitySecuritiesInterestRate600CashPlus600PIKMember	[15]	star:PadSquadHoldingsLLCDbaPadsquadPreferredEquitySecuritiesInterestRate600CashPlus600PIKMember
Investment, Significant Unobservable Input [true false]	[2],[20]	true	[15]	true
Basis spread on variable rate	[2],[11],[20]	0.00%	[15]	0.00%
Interest Rate	[2],[20]	6.00%	[15]	6.00%
PIK Interest Rate	[2],[20]	6.00%	[15]	6.00%
Acquisition date	[2],[20]	Mar. 30, 2022	[15]	Mar. 30, 2022
Principal, Shares, Units	[2],[20]	720,767	[15]	720,767
Amortized cost	[1],[2],[20]	$ 1,964,204	[15]	$ 1,964,204
Fair value	[2],[3],[20]	$ 3,326,343	[15]	$ 3,379,270
Percentage of net assets	[2],[20]	1.40%	[15]	1.40%
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]	[4],[5],[6],[7],[8],[9],[10],[22]			star:PadSquadLLCFirstLienSeniorSecuredTermLoanSOFRSpread550InterestRate981Due3302027Member
Investment, Significant Unobservable Input [true false]	[8],[22]			true
Basis spread on variable rate	[8],[11],[22]			5.50%
Interest Rate	[8],[22]			9.81%
Acquisition date	[8],[22]			Mar. 30, 2022
Maturity date	[8],[22]			Mar. 30, 2027
Principal, Shares, Units	[8],[22]			2,704,113
Amortized cost	[1],[8],[22]			$ 2,676,832
Fair value	[3],[8],[22]			$ 2,704,113
Percentage of net assets	[8],[22]			1.10%
Investment, Identifier [Axis]: PadSquad, LLC First Lien Senior Secured Term Loan SOFR Spread 7.42% Interest Rate 11.07% Due 3/30/2027
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17],[22]	star:PadSquadLLCFirstLienSeniorSecuredTermLoanSOFRSpread742InterestRate1107Due3302027Member
Investment, Significant Unobservable Input [true false]	[17],[22]	true
Basis spread on variable rate	[11],[17],[22]	7.42%
Interest Rate	[17],[22]	11.07%
Acquisition date	[17],[22]	Mar. 30, 2022
Maturity date	[17],[22]	Mar. 30, 2027
Principal, Shares, Units	[17],[22]	2,620,175
Amortized cost	[1],[17],[22]	$ 2,600,278
Fair value	[3],[17],[22]	$ 2,620,175
Percentage of net assets	[17],[22]	1.10%
Investment, Identifier [Axis]: Personal Products First Lien Senior Secured Term Loan
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:PersonalProductsFirstLienSeniorSecuredTermLoanMember		star:PersonalProductsFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Personal Products First Lien Senior Secured Term Loan Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		4,535,182		4,404,301
Amortized cost	[1]	$ 4,497,209		$ 4,360,968
Fair value	[3]	$ 4,532,223		$ 4,404,301
Percentage of net assets		1.90%		1.80%
Investment, Identifier [Axis]: Preferred Equity Securities
Investments [Abstract]
Investment, Type [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[30],[31]	Preferred Equity Securities [Member]		Preferred Equity Securities [Member]
Investment, Identifier [Axis]: Preferred Equity Securities Controlled Investments
Investments [Abstract]
Amortized cost	[1]	$ 34,229,951		$ 25,056,679
Fair value	[3]	$ 34,923,288		$ 23,291,385
Percentage of net assets		14.90%		9.70%
Investment, Identifier [Axis]: Preferred Equity Securities Non-Affiliate Investments
Investments [Abstract]
Amortized cost	[1]	$ 17,238,388		$ 18,084,821
Fair value	[3]	$ 27,556,133		$ 30,311,671
Percentage of net assets		11.50%		12.50%
Investment, Identifier [Axis]: Proactive Dealer Holdings Parent, LLC Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10]			star:ProactiveDealerHoldingsParentLLCWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[2]			true
Basis spread on variable rate	[2],[11]			0.00%
Interest Rate	[2]			0.00%
Acquisition date	[2]			Jun. 10, 2024
Principal, Shares, Units	[2]			445
Amortized cost	[1],[2]			$ 730,271
Fair value	[2],[3]			$ 730,275
Percentage of net assets	[2]			0.40%
Investment, Identifier [Axis]: Proactive Dealer Holdings Parent, LLC Warrants and Other Equity Securities Interest Rate 10.00% PIK
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10],[15]	star:ProactiveDealerHoldingsParentLLCWarrantsAndOtherEquitySecuritiesInterestRate1000PIKMember
Investment, Significant Unobservable Input [true false]	[2],[15]	true
Basis spread on variable rate	[2],[11],[15]	0.00%
PIK Interest Rate	[2],[15]	10.00%
Acquisition date	[2],[15]	Jun. 10, 2024
Principal, Shares, Units	[2],[15]	445
Amortized cost	[1],[2],[15]	$ 730,271
Fair value	[2],[3],[15]	$ 346,746
Percentage of net assets	[2],[15]	0.10%
Investment, Identifier [Axis]: Professional Services First Lien Senior Secured Term Loan
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:ProfessionalServicesFirstLienSeniorSecuredTermLoanMember		star:ProfessionalServicesFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Professional Services First Lien Senior Secured Term Loan Controlled Investments
Investments [Abstract]
Principal, Shares, Units		7,150,785		7,250,785
Amortized cost	[1]	$ 7,076,775		$ 7,154,058
Fair value	[3]	$ 7,150,785		$ 7,287,039
Percentage of net assets		3.00%		3.00%
Investment, Identifier [Axis]: Professional Services First Lien Senior Secured Term Loan Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		34,181,277		29,116,427
Amortized cost	[1]	$ 33,759,502		$ 28,529,665
Fair value	[3]	$ 32,526,227		$ 28,698,296
Percentage of net assets		13.70%		11.90%
Investment, Identifier [Axis]: Professional Services Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	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	[3]	$ 6,093,333		$ 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		1,088,399		1,088,395
Amortized cost	[1]	$ 5,470,311		$ 5,262,739
Fair value	[3]	$ 8,445,664		$ 8,944,098
Percentage of net assets		3.50%		3.60%
Investment, Identifier [Axis]: Professional Services Second Lien Senior Secured Loan
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]			star:ProfessionalServicesSecondLienSeniorSecuredLoanMember
Investment, Identifier [Axis]: Professional Services Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	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	[3]	$ 1,099,192		$ 643,909
Percentage of net assets		0.50%		0.20%
Investment, Identifier [Axis]: PureCars Technologies Holdings, LLC Preferred Equity Securities Interest Rate 8.00% PIK
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10],[20]	star:PureCarsTechnologiesHoldingsLLCPreferredEquitySecuritiesInterestRate800PIKMember	[15]	star:PureCarsTechnologiesHoldingsLLCPreferredEquitySecuritiesInterestRate800PIKMember
Investment, Significant Unobservable Input [true false]	[2],[20]	true	[15]	true
Basis spread on variable rate	[2],[11],[20]	0.00%	[15]	0.00%
PIK Interest Rate	[2],[20]	8.00%	[15]	8.00%
Acquisition date	[2],[20]	Apr. 17, 2019	[15]	Apr. 17, 2019
Principal, Shares, Units	[2],[20]	592	[15]	592
Amortized cost	[1],[2],[20]	$ 267,013	[15]	$ 267,013
Fair value	[2],[3],[20]	$ 293,634	[15]	$ 234,876
Percentage of net assets	[2],[20]	0.10%	[15]	0.10%
Investment, Identifier [Axis]: Qualified Digital, LLC First Lien Senior Secured Term Loan SOFR Spread 7.00% Interest Rate 10.65% Due 7/30/2029
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17]	star:QualifiedDigitalLLCFirstLienSeniorSecuredTermLoanSOFRSpread700InterestRate1065Due7302029Member
Investment, Significant Unobservable Input [true false]	[17]	true
Basis spread on variable rate	[11],[17]	7.00%
Interest Rate	[17]	10.65%
Acquisition date	[17]	Jul. 30, 2024
Maturity date	[17]	Jul. 30, 2029
Principal, Shares, Units	[17]	12,032,857
Amortized cost	[1],[17]	$ 11,858,587
Fair value	[3],[17]	$ 11,881,243
Percentage of net assets	[17]	5.00%
Investment, Identifier [Axis]: Qualified Digital, LLC First Lien Senior Secured Term Loan SOFR Spread 7.00% Interest Rate 10.65% Due 7/30/2029, One
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17]	star:QualifiedDigitalLLCFirstLienSeniorSecuredTermLoanSOFRSpread700InterestRate1065Due7302029OneMember
Investment, Significant Unobservable Input [true false]	[17]	true
Basis spread on variable rate	[11],[17]	7.00%
Interest Rate	[17]	10.65%
Acquisition date	[17]	Jul. 30, 2024
Maturity date	[17]	Jul. 30, 2029
Principal, Shares, Units	[17]	2,441,786
Amortized cost	[1],[17]	$ 2,357,441
Fair value	[3],[17]	$ 2,355,579
Percentage of net assets	[17]	1.00%
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]	[4],[5],[6],[7],[8],[9],[10],[18]			star:QualifiedDigitalLLCFirstLienSeniorSecuredTermLoanSOFRSpread700InterestRate1131Due7302029Member
Investment, Significant Unobservable Input [true false]	[8],[18]			true
Basis spread on variable rate	[8],[11],[18]			7.00%
Interest Rate	[8],[18]			11.31%
Acquisition date	[8],[18]			Jul. 30, 2024
Maturity date	[8],[18]			Jul. 30, 2029
Principal, Shares, Units	[8],[18]			9,097,143
Amortized cost	[1],[8],[18]			$ 8,793,352
Fair value	[3],[8],[18]			$ 8,793,352
Percentage of net assets	[8],[18]			3.70%
Investment, Identifier [Axis]: SPC QD SM, LP Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10]	star:SPCQDSMLPPreferredEquitySecuritiesMember	[15]	star:SPCQDSMLPPreferredEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[2]	true	[15]	true
Basis spread on variable rate	[2],[11]	0.00%	[15]	0.00%
Interest Rate	[2]			0.00%
Acquisition date	[2]	Jul. 30, 2024	[15]	Jul. 30, 2024
Principal, Shares, Units	[2]	42	[15]	38
Amortized cost	[1],[2]	$ 2,207,572	[15]	$ 2,000,000
Fair value	[2],[3]	$ 2,655,714	[15]	$ 2,000,000
Percentage of net assets	[2]	1.10%	[15]	0.80%
Investment, Identifier [Axis]: Senior Secured Notes
Investments [Abstract]
Investment, Type [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]			Senior Secured Notes [Member]
Investment, Identifier [Axis]: Senior Secured Notes Controlled Investments
Investments [Abstract]
Amortized cost	[1]			$ 341,103
Fair value	[3]			$ 341,103
Percentage of net assets				0.10%
Investment, Identifier [Axis]: Senior Unsecured Notes
Investments [Abstract]
Investment, Type [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[30]	Senior Unsecured Notes [Member]		Senior Unsecured Notes [Member]
Investment, Identifier [Axis]: Senior Unsecured Notes Controlled Investments
Investments [Abstract]
Amortized cost	[1]	$ 3,695,851		$ 3,427,073
Fair value	[3]	$ 3,763,831		$ 3,427,073
Percentage of net assets		1.60%		1.40%
Investment, Identifier [Axis]: Senior Unsecured Notes Non-Affiliate Investments
Investments [Abstract]
Amortized cost	[1]	$ 2,033,098		$ 2,033,098
Fair value	[3]	$ 0		$ 0
Percentage of net assets		0.00%		0.00%
Investment, Identifier [Axis]: SkyBell Technologies, Inc. First Lien Senior Secured Term Loan Interest Rate 16.91% PIK Due 12/13/2024
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[14],[23],[26]	star:SkyBellTechnologiesIncFirstLienSeniorSecuredTermLoanInterestRate1691PIKDue12132024Member
Investment, Significant Unobservable Input [true false]	[14],[23],[26]	true
Basis spread on variable rate	[11],[14],[23],[26]	0.00%
PIK Interest Rate	[14],[23],[26]	16.91%
Acquisition date	[14],[23],[26]	Dec. 13, 2019
Maturity date	[14],[23],[26]	Dec. 13, 2024
Principal, Shares, Units	[14],[23],[26]	4,828,409
Amortized cost	[1],[14],[23],[26]	$ 4,534,395
Fair value	[3],[14],[23],[26]	$ 3,867,034
Percentage of net assets	[14],[23],[26]	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]	[4],[5],[6],[7],[9],[10],[14],[25]			star:SkyBellTechnologiesIncFirstLienSeniorSecuredTermLoanSOFRSpread000CashPlus000PIKInterestRate000CashPlus000PIKDue12132024Member
Investment, Significant Unobservable Input [true false]	[14],[25]			true
Basis spread on variable rate	[11],[14],[25]			0.00%
Paid in Kind Basis Spread Variable Rate	[11],[14],[25]			0.00%
Interest Rate	[14],[25]			0.00%
PIK Interest Rate	[14],[25]			0.00%
Acquisition date	[14],[25]			Dec. 13, 2019
Maturity date	[14],[25]			Dec. 13, 2024
Principal, Shares, Units	[14],[25]			4,597,307
Amortized cost	[1],[14],[25]			$ 4,534,757
Fair value	[3],[14],[25]			$ 3,057,209
Percentage of net assets	[14],[25]			1.30%
Investment, Identifier [Axis]: SkyBell Technologies, Inc. Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[14],[15]	star:SkyBellTechnologiesIncWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[14],[15]	true
Basis spread on variable rate	[11],[14],[15]	0.00%
Interest Rate	[14],[15]	0.00%
Acquisition date	[14],[15]	Dec. 13, 2019
Principal, Shares, Units	[14],[15]	1,917,813
Amortized cost	[1],[14],[15]	$ 0
Fair value	[3],[14],[15]	$ 0
Percentage of net assets	[14],[15]	0.00%
Investment, Identifier [Axis]: Software Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:SoftwarePreferredEquitySecuritiesMember		star:SoftwarePreferredEquitySecuritiesMember
Investment, Identifier [Axis]: Software Preferred Equity Securities Non-Affiliate Investments
Investments [Abstract]
Investment, Significant Unobservable Input [true false]		true
Principal, Shares, Units		592		592
Amortized cost	[1]	$ 267,013		$ 267,013
Fair value	[3]	$ 293,634		$ 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]	[4],[5],[6],[7],[9],[10]	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	[3]	$ 346,746		$ 730,275
Percentage of net assets		0.10%		0.40%
Investment, Identifier [Axis]: Specialty Retail First Lien Senior Secured Term Loan
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:SpecialtyRetailFirstLienSeniorSecuredTermLoanMember		star:SpecialtyRetailFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Specialty Retail First Lien Senior Secured Term Loan Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		7,052,922		6,703,118
Amortized cost	[1]	$ 6,993,393		$ 6,609,366
Fair value	[3]	$ 7,052,922		$ 6,703,118
Percentage of net assets		3.00%		2.80%
Investment, Identifier [Axis]: Swyft AcquireCo LLC (dba Swyft Filings) First Lien Senior Secured Term Loan SOFR Spread 2.75% Interest Rate 6.44% Due 12/20/2027
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[13],[28]	star:SwyftAcquireCoLLCDbaSwyftFilingsFirstLienSeniorSecuredTermLoanSOFRSpread275InterestRate644Due12202027Member
Investment, Significant Unobservable Input [true false]	[13],[28]	true
Basis spread on variable rate	[11],[13],[28]	2.75%
Interest Rate	[13],[28]	6.44%
Acquisition date	[13],[28]	Dec. 20, 2021
Maturity date	[13],[28]	Dec. 20, 2027
Principal, Shares, Units	[13],[28]	285,649
Amortized cost	[1],[13],[28]	$ 285,293
Fair value	[3],[13],[28]	$ 285,650
Percentage of net assets	[13],[28]	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]	[4],[5],[6],[7],[9],[10],[12],[28]			star:SwyftAcquireCoLLCDbaSwyftFilingsFirstLienSeniorSecuredTermLoanSOFRSpread275InterestRate708Due12202027Member
Investment, Significant Unobservable Input [true false]	[12],[28]			true
Basis spread on variable rate	[11],[12],[28]			2.75%
Interest Rate	[12],[28]			7.08%
Acquisition date	[12],[28]			Dec. 20, 2021
Maturity date	[12],[28]			Dec. 20, 2027
Principal, Shares, Units	[12],[28]			292,443
Amortized cost	[1],[12],[28]			$ 291,514
Fair value	[3],[12],[28]			$ 288,290
Percentage of net assets	[12],[28]			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]	[4],[5],[6],[7],[9],[10],[12],[22]			star:SwyftAcquireCoLLCDbaSwyftFilingsFirstLienSeniorSecuredTermLoanSOFRSpread550InterestRate983Due12202027Member
Investment, Significant Unobservable Input [true false]	[12],[22]			true
Basis spread on variable rate	[11],[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	[3],[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 7.65% Interest Rate 11.34% Due 12/20/2027
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[13],[22]	star:SwyftAcquireCoLLCDbaSwyftFilingsFirstLienSeniorSecuredTermLoanSOFRSpread765InterestRate1134Due12202027Member
Investment, Significant Unobservable Input [true false]	[13],[22]	true
Basis spread on variable rate	[11],[13],[22]	7.65%
Interest Rate	[13],[22]	11.34%
Acquisition date	[13],[22]	Dec. 20, 2021
Maturity date	[13],[22]	Dec. 20, 2027
Principal, Shares, Units	[13],[22]	3,682,383
Amortized cost	[1],[13],[22]	$ 3,658,259
Fair value	[3],[13],[22]	$ 3,682,383
Percentage of net assets	[13],[22]	1.60%
Investment, Identifier [Axis]: Swyft Filings Holdings, LLC Preferred Equity Securities Interest Rate 8.00% PIK
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10],[20],[32]	star:SwyftFilingsHoldingsLLCPreferredEquitySecuritiesInterestRate800PIKMember	[15]	star:SwyftFilingsHoldingsLLCPreferredEquitySecuritiesInterestRate800PIKMember
Investment, Significant Unobservable Input [true false]	[2],[20],[32]	true	[15]	true
Basis spread on variable rate	[2],[11],[20],[32]	0.00%	[15]	0.00%
PIK Interest Rate	[2],[20],[32]	8.00%	[15]	8.00%
Acquisition date	[2],[20],[32]	Dec. 20, 2021	[15]	Dec. 20, 2021
Principal, Shares, Units	[2],[20],[32]	192,444	[15]	192,444
Amortized cost	[1],[2],[20],[32]	$ 183,612	[15]	$ 183,612
Fair value	[2],[3],[20],[32]	$ 213,265	[15]	$ 194,996
Percentage of net assets	[2],[20],[32]	0.10%	[15]	0.10%
Investment, Identifier [Axis]: TCP Acquisition, LLC (dba HighStar Traffic) First Lien Senior Secured Term Loan SOFR Spread 5.45% Cash Plus 4.05% PIK Interest Rate 9.10% Cash Plus 4.05% PIK Due 7/6/2027
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17]	star:TCPAcquisitionLLCDbaHighStarTrafficFirstLienSeniorSecuredTermLoanSOFRSpread545CashPlus405PIKInterestRate910CashPlus405PIKDue762027Member
Investment, Significant Unobservable Input [true false]	[17]	true
Basis spread on variable rate	[11],[17]	5.45%
Paid in Kind Basis Spread Variable Rate	[11],[17]	4.05%
Interest Rate	[17]	9.10%
PIK Interest Rate	[17]	4.05%
Acquisition date	[17]	Jul. 26, 2022
Maturity date	[17]	Jul. 26, 2027
Principal, Shares, Units	[17]	10,088,323
Amortized cost	[1],[17]	$ 10,003,681
Fair value	[3],[17]	$ 9,816,947
Percentage of net assets	[17]	4.10%
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]	[4],[5],[6],[7],[8],[9],[10]			star:TCPAcquisitionLLCDbaHighStarTrafficFirstLienSeniorSecuredTermLoanSOFRSpread750InterestRate1181Due7262027Member
Investment, Significant Unobservable Input [true false]	[8]			true
Basis spread on variable rate	[8],[11]			7.50%
Interest Rate	[8]			11.81%
Acquisition date	[8]			Jul. 26, 2022
Maturity date	[8]			Jul. 26, 2027
Principal, Shares, Units	[8]			10,339,453
Amortized cost	[1],[8]			$ 10,193,719
Fair value	[3],[8]			$ 10,339,453
Percentage of net assets	[8]			4.30%
Investment, Identifier [Axis]: TS-MP, LLC (dba Mission) - Class A-1 Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10]	star:TSMPLLCDbaMissionClassA1PreferredEquitySecuritiesMember	[15],[19]	star:TSMPLLCDbaMissionClassA1PreferredEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[2]	true	[5],[15],[19]	true
Basis spread on variable rate	[2],[11]	0.00%	[5],[15],[19]	0.00%
Interest Rate	[2]	0.00%	[5],[15],[19]	0.00%
Acquisition date	[2]	Dec. 09, 2021	[5],[15],[19]	Dec. 09, 2021
Principal, Shares, Units	[2]	69	[5],[15],[19]	69
Amortized cost	[1],[2]	$ 1,928,409	[5],[15],[19]	$ 1,928,409
Fair value	[2],[3]	$ 0	[5],[15],[19]	$ 0
Percentage of net assets	[2]	0.00%	[5],[15],[19]	0.00%
Investment, Identifier [Axis]: TS-MP, LLC (dba Mission) - Class AA-1 Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10]	star:TSMPLLCDbaMissionClassAA1PreferredEquitySecuritiesMember	[15],[19]	star:TSMPLLCDbaMissionClassAA1PreferredEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[2]	true	[5],[15],[19]	true
Basis spread on variable rate	[2],[11]	0.00%	[5],[15],[19]	0.00%
Interest Rate	[2]	0.00%	[5],[15],[19]	0.00%
Acquisition date	[2]	Dec. 10, 2024	[5],[15],[19]	Dec. 10, 2024
Principal, Shares, Units	[2]	88	[5],[15],[19]	88
Amortized cost	[1],[2]	$ 1,960,641	[5],[15],[19]	$ 1,960,641
Fair value	[2],[3]	$ 1,695,478	[5],[15],[19]	$ 1,782,334
Percentage of net assets	[2]	0.70%	[5],[15],[19]	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]	[4],[5],[6],[7],[8],[9],[10]			star:TexasContractManufacturingGroupIncFirstLienSeniorSecuredTermLoanSOFRSpread1211InterestRate1642Due4272027Member
Investment, Significant Unobservable Input [true false]	[8]			true
Basis spread on variable rate	[8],[11]			12.11%
Interest Rate	[8]			16.42%
Acquisition date	[8]			Apr. 27, 2022
Maturity date	[8]			Apr. 27, 2027
Principal, Shares, Units	[8]			4,605,541
Amortized cost	[1],[8]			$ 4,547,261
Fair value	[3],[8]			$ 3,968,595
Percentage of net assets	[8]			1.60%
Investment, Identifier [Axis]: Texas Contract Manufacturing Group, Inc. First Lien Senior Secured Term Loan SOFR Spread 5.11% Cash Plus 4.00% PIK Interest Rate 8.76% Cash Plus 4.00% PIK Due 4/27/2027
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17]	star:TexasContractManufacturingGroupIncFirstLienSeniorSecuredTermLoanSOFRSpread511CashPlus400PIKInterestRate876CashPlus400PIKDue4272027Member
Investment, Significant Unobservable Input [true false]	[17]	true
Basis spread on variable rate	[11],[17]	5.11%
Paid in Kind Basis Spread Variable Rate	[11],[17]	4.00%
Interest Rate	[17]	8.76%
PIK Interest Rate	[17]	4.00%
Acquisition date	[17]	Apr. 27, 2022
Maturity date	[17]	Apr. 27, 2027
Principal, Shares, Units	[17]	4,427,923
Amortized cost	[1],[17]	$ 4,382,109
Fair value	[3],[17]	$ 3,645,509
Percentage of net assets	[17]	1.50%
Investment, Identifier [Axis]: Texas Contract Manufacturing Group, Inc. Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:TexasContractManufacturingGroupIncWarrantsAndOtherEquitySecuritiesMember	[15]	star:TexasContractManufacturingGroupIncWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]		true	[15]	true
Basis spread on variable rate	[11]	0.00%	[15]	0.00%
Interest Rate		0.00%	[15]	0.00%
Acquisition date		Apr. 27, 2022	[15]	Apr. 27, 2022
Principal, Shares, Units		1,602	[15]	1,602
Amortized cost	[1]	$ 0	[15]	$ 0
Fair value	[3]	$ 0	[15]	$ 249,355
Percentage of net assets		0.00%	[15]	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 11.26% Due 9/15/2027, One
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17]	star:TheRangeNYCLLCDbaFiveIronGolfFirstLienSeniorSecuredTermLoanSOFRSpread761InterestRate1126Due9152027OneMember
Investment, Significant Unobservable Input [true false]	[17]	true
Basis spread on variable rate	[11],[17]	7.61%
Interest Rate	[17]	11.26%
Acquisition date	[17]	Sep. 15, 2022
Maturity date	[17]	Sep. 15, 2027
Principal, Shares, Units	[17]	4,802,521
Amortized cost	[1],[17]	$ 4,732,570
Fair value	[3],[17]	$ 4,844,303
Percentage of net assets	[17]	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 11.92% Due 9/15/2027
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:TheRangeNYCLLCDbaFiveIronGolfFirstLienSeniorSecuredTermLoanSOFRSpread761InterestRate1192Due9152027Member	[17]	star:TheRangeNYCLLCDbaFiveIronGolfFirstLienSeniorSecuredTermLoanSOFRSpread761InterestRate1192Due9152027Member	[8],[18]
Investment, Significant Unobservable Input [true false]		true	[17]	true	[8],[18]
Basis spread on variable rate	[11]	7.61%	[17]	7.61%	[8],[18]
Interest Rate		11.26%	[17]	11.92%	[8],[18]
Acquisition date		Sep. 15, 2022	[17]	Sep. 15, 2022	[8],[18]
Maturity date		Sep. 15, 2027	[17]	Sep. 15, 2027	[8],[18]
Principal, Shares, Units		3,329,832	[17]	4,928,571	[8],[18]
Amortized cost	[1]	$ 3,329,832	[17]	$ 4,819,417	[8],[18]
Fair value	[3]	$ 3,357,803	[17]	$ 4,876,329	[8],[18]
Percentage of net assets		1.40%	[17]	2.00%	[8],[18]
Investment, Identifier [Axis]: The Range NYC, LLC (dba Five Iron Golf) Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:TheRangeNYCLLCDbaFiveIronGolfWarrantsAndOtherEquitySecuritiesMember	[15]	star:TheRangeNYCLLCDbaFiveIronGolfWarrantsAndOtherEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]		true	[15]	true
Basis spread on variable rate	[11]	0.00%	[15]	0.00%
Interest Rate		0.00%	[15]	0.00%
Acquisition date		Sep. 15, 2022	[15]	Sep. 15, 2022
Principal, Shares, Units		40,593	[15]	21,210
Amortized cost	[1]	$ 71,599	[15]	$ 71,599
Fair value	[3]	$ 64,875	[15]	$ 34,623
Percentage of net assets		0.00%	[15]	0.00%
Investment, Identifier [Axis]: Trading Companies & Distributors First Lien Senior Secured Term Loan
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	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]	$ 2,625,002		$ 2,450,388
Fair value	[3]	$ 2,599,529		$ 2,240,638
Percentage of net assets		1.10%		0.90%
Investment, Identifier [Axis]: Trading Companies & Distributors First Lien Senior Secured Term Loan Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		10,498,630		8,226,269
Amortized cost	[1]	$ 10,365,948		$ 8,085,958
Fair value	[3]	$ 10,493,558		$ 8,085,958
Percentage of net assets		4.40%		3.30%
Investment, Identifier [Axis]: Trading Companies & Distributors Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	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	[3]	$ 1,710,938		$ 936,000
Percentage of net assets		0.70%		0.40%
Investment, Identifier [Axis]: Trading Companies & Distributors Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	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	[3]	$ 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]	[2],[4],[5],[6],[7],[9],[10],[20]	star:TrailerParkGroupHoldingsLLCClassAUnitsPreferredEquitySecuritiesInterestRate800PIKMember	[15]	star:TrailerParkGroupHoldingsLLCClassAUnitsPreferredEquitySecuritiesInterestRate800PIKMember
Investment, Significant Unobservable Input [true false]	[2],[20]	true	[15]	true
Basis spread on variable rate	[2],[11],[20]	0.00%	[15]	0.00%
PIK Interest Rate	[2],[20]	8.00%	[15]	8.00%
Acquisition date	[2],[20]	Aug. 02, 2021	[15]	Aug. 02, 2021
Principal, Shares, Units	[2],[20]	371,822	[15]	371,822
Amortized cost	[1],[2],[20]	$ 404,702	[15]	$ 367,108
Fair value	[2],[3],[20]	$ 0	[15]	$ 662,587
Percentage of net assets	[2],[20]	0.00%	[15]	0.30%
Investment, Identifier [Axis]: Trailer Park Group Holdings LLC First Lien Senior Secured Term Loan SOFR Spread 6.76% Plus 1.50% PIK Interest Rate 11.07% Cash Plus 1.50% PIK Due 8/2/2026
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[8],[9],[10],[22]			star:TrailerParkGroupHoldingsLLCFirstLienSeniorSecuredTermLoanSOFRSpread676Plus150PIKInterestRate1107CashPlus150PIKDue822026Member
Investment, Significant Unobservable Input [true false]	[8],[22]			true
Basis spread on variable rate	[8],[11],[22]			6.76%
Paid in Kind Basis Spread Variable Rate	[8],[11],[22]			1.50%
Interest Rate	[8],[22]			11.07%
PIK Interest Rate	[8],[22]			1.50%
Acquisition date	[8],[22]			Aug. 02, 2021
Maturity date	[8],[22]			Aug. 02, 2026
Principal, Shares, Units	[8],[22]			14,790,995
Amortized cost	[1],[8],[22]			$ 14,572,105
Fair value	[3],[8],[22]			$ 14,517,362
Percentage of net assets	[8],[22]			6.00%
Investment, Identifier [Axis]: Trailer Park Group Holdings LLC First Lien Senior Secured Term Loan SOFR Spread 7.32% Plus 0.99% PIK Interest Rate 10.97% Cash Plus 0.99% PIK Due 8/2/2026
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17],[22]	star:TrailerParkGroupHoldingsLLCFirstLienSeniorSecuredTermLoanSOFRSpread732Plus099PIKInterestRate1097CashPlus099PIKDue822026Member
Investment, Significant Unobservable Input [true false]	[17],[22]	true
Basis spread on variable rate	[11],[17],[22]	7.32%
Paid in Kind Basis Spread Variable Rate	[11],[17],[22]	0.99%
Interest Rate	[17],[22]	10.97%
PIK Interest Rate	[17],[22]	0.99%
Acquisition date	[17],[22]	Aug. 02, 2021
Maturity date	[17],[22]	Aug. 02, 2026
Principal, Shares, Units	[17],[22]	14,981,089
Amortized cost	[1],[17],[22]	$ 14,902,350
Fair value	[3],[17],[22]	$ 13,662,753
Percentage of net assets	[17],[22]	5.80%
Investment, Identifier [Axis]: Trailer Park Group Holdings LLC, Preferred Equity Securities Interest Rate 15.00% PIK
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10],[15],[20]	star:TrailerParkGroupHoldingsLLCPreferredEquitySecuritiesInterestRate1500PIKMember
Investment, Significant Unobservable Input [true false]	[2],[15],[20]	true
Basis spread on variable rate	[2],[11],[15],[20]	0.00%
PIK Interest Rate	[2],[15],[20]	15.00%
Principal, Shares, Units	[2],[15],[20]	37,594
Amortized cost	[1],[2],[15],[20]	$ 0
Fair value	[2],[3],[15],[20]	$ 75,127
Percentage of net assets	[2],[15],[20]	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]	[2],[4],[5],[6],[7],[9],[10],[20]	star:TrailerParkGroupHoldingsLLCClassA1UnitsPreferredEquitySecuritiesInterestRate1500PIKMember	[15]	star:TrailerParkGroupHoldingsLLCClassA1UnitsPreferredEquitySecuritiesInterestRate1500PIKMember
Investment, Significant Unobservable Input [true false]	[2],[20]	true	[15]	true
Basis spread on variable rate	[2],[11],[20]	0.00%	[15]	0.00%
PIK Interest Rate	[2],[20]	15.00%	[15]	15.00%
Acquisition date	[2],[20]	Dec. 19, 2023	[15]	Dec. 19, 2023
Principal, Shares, Units	[2],[20]	40,888	[15]	40,888
Amortized cost	[1],[2],[20]	$ 73,599	[15]	$ 73,599
Fair value	[2],[3],[20]	$ 36,419	[15]	$ 110,402
Percentage of net assets	[2],[20]	0.00%	[15]	0.00%
Investment, Identifier [Axis]: Transportation Infrastructure First Lien Senior Secured Term Loan
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:TransportationInfrastructureFirstLienSeniorSecuredTermLoanMember		star:TransportationInfrastructureFirstLienSeniorSecuredTermLoanMember
Investment, Identifier [Axis]: Transportation Infrastructure First Lien Senior Secured Term Loan Non-Affiliate Investments
Investments [Abstract]
Principal, Shares, Units		10,088,323		10,339,453
Amortized cost	[1]	$ 10,003,681		$ 10,193,719
Fair value	[3]	$ 9,816,947		$ 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 800 PIK One
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10],[15],[19],[20]	star:UJPAcquisitionLLCDbaUncleJohnSPridePreferredEquitySecuritiesInterestRate800PIKOneMember
Investment, Significant Unobservable Input [true false]	[2],[6],[15],[19],[20]	true
Basis spread on variable rate	[2],[6],[11],[15],[19],[20]	0.00%
PIK Interest Rate	[2],[6],[15],[19],[20]	8.00%
Acquisition date	[2],[6],[15],[19],[20]	Mar. 31, 2022
Principal, Shares, Units	[2],[6],[15],[19],[20]	2,829,787
Amortized cost	[1],[2],[6],[15],[19],[20]	$ 2,829,787
Fair value	[2],[3],[6],[15],[19],[20]	$ 4,966,277
Percentage of net assets	[2],[6],[15],[19],[20]	2.10%
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]	[2],[4],[5],[6],[7],[9],[10],[15],[19],[20]			star:UJPAcquisitionLLCDbaUncleJohnSPridePreferredEquitySecuritiesInterestRate800PIKMember
Investment, Significant Unobservable Input [true false]	[2],[20],[21]			true
Basis spread on variable rate	[2],[11],[20],[21]			0.00%
PIK Interest Rate	[2],[20],[21]			8.00%
Acquisition date	[2],[20],[21]			Mar. 31, 2022
Principal, Shares, Units	[2],[20],[21]			2,829,787
Amortized cost	[1],[2],[20],[21]			$ 2,829,787
Fair value	[2],[3],[20],[21]			$ 4,532,872
Percentage of net assets	[2],[20],[21]			1.90%
Investment, Identifier [Axis]: UJP Acquisition, LLC (dba Uncle John's Pride) Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10],[15],[19]	star:UJPAcquisitionLLCDbaUncleJohnSPrideWarrantsAndOtherEquitySecuritiesMember		star:UJPAcquisitionLLCDbaUncleJohnSPrideWarrantsAndOtherEquitySecuritiesMember, star:UJPAcquisitionLLCDbaUncleJohnSPrideWarrantsAndOtherEquitySecuritiesOneMember
Investment, Significant Unobservable Input [true false]	[2]	true	[5],[15],[19]	true	[21]
Basis spread on variable rate	[2],[11]	0.00%	[5],[15],[19]	0.00%	[21]
Interest Rate	[2]	0.00%	[5],[15],[19]	0.00%	[21]
Acquisition date	[2]	Mar. 31, 2022	[5],[15],[19]	Mar. 31, 2022	[21]
Principal, Shares, Units	[2]	127,215	[5],[15],[19]	127,215	[21]
Amortized cost	[1],[2]	$ 0	[5],[15],[19]	$ 0	[21]
Fair value	[2],[3]	$ 29,787	[5],[15],[19]	$ 76,329	[21]
Percentage of net assets	[2]	0.00%	[5],[15],[19]	0.00%	[21]
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]	[4],[5],[6],[7],[8],[9],[10],[21],[22]			star:USBidIncFirstLienSeniorSecuredTermLoanSOFRSpread726InterestRate1157Due1132027Member
Investment, Significant Unobservable Input [true false]	[8],[21],[22]			true
Basis spread on variable rate	[8],[11],[21],[22]			7.26%
Interest Rate	[8],[21],[22]			11.57%
Acquisition date	[8],[21],[22]			Nov. 03, 2022
Maturity date	[8],[21],[22]			Nov. 03, 2027
Principal, Shares, Units	[8],[21],[22]			2,484,904
Amortized cost	[1],[8],[21],[22]			$ 2,450,388
Fair value	[3],[8],[21],[22]			$ 2,240,638
Percentage of net assets	[8],[21],[22]			0.90%
Investment, Identifier [Axis]: USBid Inc. First Lien Senior Secured Term Loan SOFR Spread 8.34% Interest Rate 11.99% Due 11/3/2027
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17],[19],[22]	star:USBidIncFirstLienSeniorSecuredTermLoanSOFRSpread834InterestRate1199Due1132027Member
Investment, Significant Unobservable Input [true false]	[6],[17],[19],[22]	true
Basis spread on variable rate	[6],[11],[17],[19],[22]	8.34%
Interest Rate	[6],[17],[19],[22]	11.99%
Acquisition date	[6],[17],[19],[22]	Nov. 03, 2022
Maturity date	[6],[17],[19],[22]	Nov. 03, 2027
Principal, Shares, Units	[6],[17],[19],[22]	2,648,797
Amortized cost	[1],[6],[17],[19],[22]	$ 2,625,002
Fair value	[3],[6],[17],[19],[22]	$ 2,599,529
Percentage of net assets	[6],[17],[19],[22]	1.10%
Investment, Identifier [Axis]: USBid Parent, LLC - Class A Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:USBidParentLLCClassAPreferredEquitySecuritiesMember	[15],[19]	star:USBidParentLLCClassAPreferredEquitySecuritiesMember	[21]
Investment, Significant Unobservable Input [true false]		true	[5],[15],[19]	true	[21]
Basis spread on variable rate	[11]	0.00%	[5],[15],[19]	0.00%	[21]
Interest Rate		0.00%	[5],[15],[19]	0.00%	[21]
Acquisition date		Nov. 03, 2022	[5],[15],[19]	Nov. 03, 2022	[21]
Principal, Shares, Units		2,813	[5],[15],[19]	2,813	[21]
Amortized cost	[1]	$ 2,812,500	[5],[15],[19]	$ 2,812,500	[21]
Fair value	[3]	$ 0	[5],[15],[19]	$ 0	[21]
Percentage of net assets		0.00%	[5],[15],[19]	0.00%	[21]
Investment, Identifier [Axis]: USBid Parent, LLC - Class C Preferred Equity Securities Interest 10.00% PIK
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:USBidParentLLCClassCPreferredEquitySecuritiesInterest1000PIKMember	[15],[19]	star:USBidParentLLCClassCPreferredEquitySecuritiesInterest1000PIKMember	[21]
Investment, Significant Unobservable Input [true false]		true	[5],[15],[19]	true	[21]
Basis spread on variable rate	[11]	0.00%	[5],[15],[19]	0.00%	[21]
PIK Interest Rate		10.00%	[5],[15],[19]	10.00%	[21]
Acquisition date		Nov. 02, 2023	[5],[15],[19]	Nov. 02, 2023	[21]
Principal, Shares, Units		9,375	[5],[15],[19]	3,009,375	[21]
Amortized cost	[1]	$ 7,324	[5],[15],[19]	$ 2,351,074	[21]
Fair value	[3]	$ 0	[5],[15],[19]	$ 936,000	[21]
Percentage of net assets		0.00%	[5],[15],[19]	0.40%	[21]
Investment, Identifier [Axis]: USBid Parent, LLC - Class C2 Units Preferred Equity Securities Interest 10.00% PIK
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[15],[19]	star:USBidParentLLCClassC2UnitsPreferredEquitySecuritiesInterest1000PIKMember
Investment, Significant Unobservable Input [true false]	[5],[15],[19]	true
Basis spread on variable rate	[5],[11],[15],[19]	0.00%
PIK Interest Rate	[5],[15],[19]	10.00%
Acquisition date	[5],[15],[19]	Apr. 12, 2024
Principal, Shares, Units	[5],[15],[19]	600,000
Amortized cost	[1],[5],[15],[19]	$ 468,750
Fair value	[3],[5],[15],[19]	$ 555,469
Percentage of net assets	[5],[15],[19]	0.20%
Investment, Identifier [Axis]: USBid Parent, LLC - Class C3 Units Preferred Equity Securities Interest 10.00% PIK
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[15],[19]	star:USBidParentLLCClassC3UnitsPreferredEquitySecuritiesInterest1000PIKMember
Investment, Significant Unobservable Input [true false]	[5],[15],[19]	true
Basis spread on variable rate	[5],[11],[15],[19]	0.00%
PIK Interest Rate	[5],[15],[19]	10.00%
Acquisition date	[5],[15],[19]	Apr. 12, 2024
Principal, Shares, Units	[5],[15],[19]	2,400,000
Amortized cost	[1],[5],[15],[19]	$ 1,875,000
Fair value	[3],[5],[15],[19]	$ 1,155,469
Percentage of net assets	[5],[15],[19]	0.50%
Investment, Identifier [Axis]: USBid Parent, LLC Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10]	star:USBidParentLLCWarrantsAndOtherEquitySecuritiesMember	[15],[19]	star:USBidParentLLCWarrantsAndOtherEquitySecuritiesMember	[21]
Investment, Significant Unobservable Input [true false]		true	[5],[15],[19]	true	[21]
Basis spread on variable rate	[11]	0.00%	[5],[15],[19]	0.00%	[21]
Interest Rate		0.00%	[5],[15],[19]	0.00%	[21]
Acquisition date		Nov. 03, 2022	[5],[15],[19]	Nov. 03, 2022	[21]
Principal, Shares, Units		204	[5],[15],[19]	204	[21]
Amortized cost	[1]	$ 0	[5],[15],[19]	$ 0	[21]
Fair value	[3]	$ 0	[5],[15],[19]	$ 0	[21]
Percentage of net assets		0.00%	[5],[15],[19]	0.00%	[21]
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]	[4],[5],[6],[7],[9],[10],[12],[21]			star:UncleJohnSPrideLLCFirstLienSeniorSecuredTermLoanSOFRSpread1011InterestRate1444Due3312027Member
Investment, Significant Unobservable Input [true false]	[12],[21]			true
Basis spread on variable rate	[11],[12],[21]			10.11%
Interest Rate	[12],[21]			14.44%
Acquisition date	[12],[21]			Mar. 31, 2022
Maturity date	[12],[21]			Mar. 31, 2027
Principal, Shares, Units	[12],[21]			6,930,002
Amortized cost	[1],[12],[21]			$ 6,832,506
Fair value	[3],[12],[21]			$ 6,999,302
Percentage of net assets	[12],[21]			2.90%
Investment, Identifier [Axis]: Uncle John's Pride, LLC First Lien Senior Secured Term Loan SOFR Spread 8.11% Interest Rate 11.80% Due 3/31/2027
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[13],[19]	star:UncleJohnSPrideLLCFirstLienSeniorSecuredTermLoanSOFRSpread811InterestRate1180Due3312027Member
Investment, Significant Unobservable Input [true false]	[6],[13],[19]	true
Basis spread on variable rate	[6],[11],[13],[19]	8.11%
Interest Rate	[6],[13],[19]	11.80%
Acquisition date	[6],[13],[19]	Mar. 31, 2022
Maturity date	[6],[13],[19]	Mar. 31, 2027
Principal, Shares, Units	[6],[13],[19]	1,740,572
Amortized cost	[1],[6],[13],[19]	$ 1,740,572
Fair value	[3],[6],[13],[19]	$ 1,740,572
Percentage of net assets	[6],[13],[19]	0.70%
Investment, Identifier [Axis]: Uncle John's Pride, LLC First Lien Senior Secured Term Loan SOFR Spread 8.11% Interest Rate 11.80% Due 3/31/2027 One
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[13],[19]	star:UncleJohnSPrideLLCFirstLienSeniorSecuredTermLoanSOFRSpread811InterestRate1180Due3312027OneMember
Investment, Significant Unobservable Input [true false]	[6],[13],[19]	true
Basis spread on variable rate	[6],[11],[13],[19]	8.11%
Interest Rate	[6],[13],[19]	11.80%
Acquisition date	[6],[13],[19]	Mar. 31, 2022
Maturity date	[6],[13],[19]	Mar. 31, 2027
Principal, Shares, Units	[6],[13],[19]	5,116,215
Amortized cost	[1],[6],[13],[19]	$ 5,066,496
Fair value	[3],[6],[13],[19]	$ 5,116,215
Percentage of net assets	[6],[13],[19]	2.20%
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]	[4],[5],[6],[7],[8],[9],[10],[22]			star:VersarIncFirstLienSeniorSecuredTermLoanSOFRSpread810InterestRate1241Due842028Member
Investment, Significant Unobservable Input [true false]	[8],[22]			true
Basis spread on variable rate	[8],[11],[22]			8.10%
Interest Rate	[8],[22]			12.41%
Acquisition date	[8],[22]			Aug. 04, 2023
Maturity date	[8],[22]			Aug. 04, 2028
Principal, Shares, Units	[8],[22]			10,000,000
Amortized cost	[1],[8],[22]			$ 9,658,174
Fair value	[3],[8],[22]			$ 9,996,000
Percentage of net assets	[8],[22]			4.20%
Investment, Identifier [Axis]: Versar Inc. First Lien Senior Secured Term Loan SOFR Spread 9.58% Interest Rate 13.23% Due 8/4/2028
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17],[22]	star:VersarIncFirstLienSeniorSecuredTermLoanSOFRSpread958InterestRate1323Due842028Member
Investment, Significant Unobservable Input [true false]	[17],[22]	true
Basis spread on variable rate	[11],[17],[22]	9.58%
Interest Rate	[17],[22]	13.23%
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]	$ 9,755,014
Fair value	[3],[17],[22]	$ 10,002,500
Percentage of net assets	[17],[22]	4.20%
Investment, Identifier [Axis]: Vertical Mechanical Group Holdings, LLC Preferred Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10]			star:VerticalMechanicalGroupHoldingsLLCPreferredEquitySecuritiesMember
Investment, Significant Unobservable Input [true false]	[2]			true
Basis spread on variable rate	[2],[11]			0.00%
Interest Rate	[2]			0.00%
Acquisition date	[2]			May 12, 2023
Principal, Shares, Units	[2]			185,714
Amortized cost	[1],[2]			$ 1,857,143
Fair value	[2],[3]			$ 4,828,571
Percentage of net assets	[2]			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]	[2],[4],[5],[6],[7],[9],[10],[15]	star:VerticalMechanicalGroupHoldingsLLCPreferredEquitySecuritiesInterestRate800PIKMember
Investment, Significant Unobservable Input [true false]	[2],[15]	true
Basis spread on variable rate	[2],[11],[15]	0.00%
PIK Interest Rate	[2],[15]	8.00%
Acquisition date	[2],[15]	May 12, 2023
Principal, Shares, Units	[2],[15]	185,714
Amortized cost	[1],[2],[15]	$ 1,857,143
Fair value	[2],[3],[15]	$ 5,727,143
Percentage of net assets	[2],[15]	2.40%
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]	[4],[5],[6],[7],[8],[9],[10],[22]			star:VerticalMechanicalGroupLLCFirstLienSeniorSecuredTermLoanSOFRSpread776InterestRate1207Due5122028Member
Investment, Significant Unobservable Input [true false]	[8],[22]			true
Basis spread on variable rate	[8],[11],[22]			7.76%
Interest Rate	[8],[22]			12.07%
Acquisition date	[8],[22]			May 12, 2023
Maturity date	[8],[22]			May 12, 2028
Principal, Shares, Units	[8],[22]			7,428,571
Amortized cost	[1],[8],[22]			$ 7,234,557
Fair value	[3],[8],[22]			$ 7,428,571
Percentage of net assets	[8],[22]			3.10%
Investment, Identifier [Axis]: Vertical Mechanical Group, LLC First Lien Senior Secured Term Loan SOFR Spread 8.76% Interest Rate 12.41% Due 5/12/2028
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17],[22]	star:VerticalMechanicalGroupLLCFirstLienSeniorSecuredTermLoanSOFRSpread876InterestRate1241Due5122028Member
Investment, Significant Unobservable Input [true false]	[17],[22]	true
Basis spread on variable rate	[11],[17],[22]	8.76%
Interest Rate	[17],[22]	12.41%
Acquisition date	[17],[22]	May 12, 2023
Maturity date	[17],[22]	May 12, 2028
Principal, Shares, Units	[17],[22]	12,037,143
Amortized cost	[1],[17],[22]	$ 11,870,297
Fair value	[3],[17],[22]	$ 11,902,327
Percentage of net assets	[17],[22]	5.00%
Investment, Identifier [Axis]: Warrants and Other Equity Securities
Investments [Abstract]
Investment, Type [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[30],[31]	Warrants and Other Equity Securities [Member]		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	[3]	$ 29,787		$ 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]	$ 2,072,201		$ 3,154,635
Fair value	[3]	$ 5,992,896		$ 7,350,048
Percentage of net assets		2.60%		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]	[4],[5],[6],[7],[8],[9],[10],[21],[22]			star:WattAcquisitionLLCFirstLienSeniorSecuredTermLoanSOFRSpread1425InterestRate1299CashPlus557PIKDue4152027Member
Investment, Significant Unobservable Input [true false]	[8],[21],[22]			true
Basis spread on variable rate	[8],[11],[21],[22]			14.25%
Interest Rate	[8],[21],[22]			12.99%
PIK Interest Rate	[8],[21],[22]			5.57%
Acquisition date	[8],[21],[22]			Apr. 15, 2022
Maturity date	[8],[21],[22]			Apr. 15, 2027
Principal, Shares, Units	[8],[21],[22]			2,574,092
Amortized cost	[1],[8],[21],[22]			$ 2,548,389
Fair value	[3],[8],[21],[22]			$ 2,430,200
Percentage of net assets	[8],[21],[22]			1.00%
Investment, Identifier [Axis]: Watt Acquisition, LLC First Lien Senior Secured Term Loan SOFR Spread 8.77% Cash Plus 5.48% PIK Interest Rate 12.42% Cash Plus 5.48% PIK Due 4/15/2027
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[4],[5],[6],[7],[9],[10],[17],[19],[22]	star:WattAcquisitionLLCFirstLienSeniorSecuredTermLoanSOFRSpread877CashPlus548PIKInterestRate1242CashPlus548PIKDue4152027Member
Investment, Significant Unobservable Input [true false]	[6],[17],[19],[22]	true
Basis spread on variable rate	[6],[11],[17],[19],[22]	8.77%
Paid in Kind Basis Spread Variable Rate	[6],[11],[17],[19],[22]	5.48%
Interest Rate	[6],[17],[19],[22]	12.42%
PIK Interest Rate	[6],[17],[19],[22]	5.48%
Acquisition date	[6],[17],[19],[22]	Apr. 15, 2022
Maturity date	[6],[17],[19],[22]	Apr. 15, 2027
Principal, Shares, Units	[6],[17],[19],[22]	1,625,086
Amortized cost	[1],[6],[17],[19],[22]	$ 1,614,622
Fair value	[3],[6],[17],[19],[22]	$ 1,625,086
Percentage of net assets	[6],[17],[19],[22]	0.70%
Investment, Identifier [Axis]: Watt Contracting Holdings, LLC Preferred Equity Securities Interest Rate 15.00% PIK
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10]	star:WattContractingHoldingsLLCPreferredEquitySecuritiesInterestRate1500PIKMember	[15],[19]	star:WattContractingHoldingsLLCPreferredEquitySecuritiesInterestRate1500PIKMember	[21]
Investment, Significant Unobservable Input [true false]	[2]	true	[5],[15],[19]	true	[21]
Basis spread on variable rate	[2],[11]	0.00%	[5],[15],[19]	0.00%	[21]
PIK Interest Rate	[2]	15.00%	[5],[15],[19]	15.00%	[21]
Acquisition date	[2]	Apr. 15, 2022	[5],[15],[19]	Apr. 15, 2022	[21]
Principal, Shares, Units	[2]	4,439	[5],[15],[19]	3,375	[21]
Amortized cost	[1],[2]	$ 4,380,196	[5],[15],[19]	$ 3,316,130	[21]
Fair value	[2],[3]	$ 7,260,300	[5],[15],[19]	$ 3,519,772	[21]
Percentage of net assets	[2]	3.10%	[5],[15],[19]	1.50%	[21]
Investment, Identifier [Axis]: Watt Contracting Holdings, LLC Warrants and Other Equity Securities
Investments [Abstract]
Investment, Issuer Name [Extensible Enumeration]	[2],[4],[5],[6],[7],[9],[10]	star:WattContractingHoldingsLLCWarrantsAndOtherEquitySecuritiesMember	[15],[19]	star:WattContractingHoldingsLLCWarrantsAndOtherEquitySecuritiesMember	[21]
Investment, Significant Unobservable Input [true false]	[2]	true	[5],[15],[19]	true	[21]
Basis spread on variable rate	[2],[11]	0.00%	[5],[15],[19]	0.00%	[21]
Interest Rate	[2]	0.00%	[5],[15],[19]	0.00%	[21]
Acquisition date	[2]	Apr. 15, 2022	[5],[15],[19]	Apr. 15, 2022	[21]
Principal, Shares, Units	[2]	100,408	[5],[15],[19]	295	[21]
Amortized cost	[1],[2]	$ 0	[5],[15],[19]	$ 0	[21]
Fair value	[2],[3]	$ 0	[5],[15],[19]	$ 0	[21]
Percentage of net assets	[2]	0.00%	[5],[15],[19]	0.00%	[21]

[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] 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.

[3] 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.

[4] 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.

[5] 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.

[6] 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.

[7] Except as otherwise noted, all of the Company’s portfolio company investments are subject to legal restrictions on sales.

[8] The interest rate on these loans is subject to 3 month SOFR, which was 4.31% as of December 31, 2024.

[9] Unless otherwise indicated, all investments are considered Level 3 assets.

[10] Unless otherwise indicated, the Company’s portfolio companies are pledged as collateral supporting the amounts outstanding under the Secured Credit Facility (as defined herein).

[11] 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”).

[12] The interest rate on these loans is subject to 1 month SOFR, which was 4.33% as of December 31, 2024.

[13] The interest rate on these loans is subject to 1 month SOFR, which was 3.69% as of December 31, 2025.

[14] The investment is on non-accrual status. See Note 2 “Significant Accounting Policies”.

[15] The Company has determined the indicated investments are non-qualifying assets under Section 55(a) of the 1940 Act. Under the 1940 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.

[16] Positions have an aggregate unfunded commitment of $6,794,311 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 3.65% as of December 31, 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, 2025 represented $62,857,937 of Fair Value and 26.5% of Net Assets of the Company. Transactions related to investments in “Controlled/Affiliate Investments” for the year ended December 31, 2025 were as follows:

[20] Investment contains a fixed rate structure.

[21] 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 represented $50,680,798 of Fair Value and 21.0% of Net Assets of the Company. Transactions related to investments in “Controlled/Affiliate Investments” for the year ended December 31, 2024 were as follows:

[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] Maturity date is under on-going negotiations with the portfolio company and other lenders as of December 31, 2024, as applicable.

[25] The investment does not accrue PIK for the debt or equity investment as of December 31, 2024. See Note 2 “Significant Accounting Policies”.

[26] The investment does not accrue PIK for the debt or equity investment as of December 31, 2025. 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 December 31, 2024.

[28] Interest disclosed reflects the contractual rate of the First Out tranche under the AAL.

[29] The interest rate on these loans is subject to 6 month SOFR, which was 3.57% as of December 31, 2025.

[30] All investments are non-income producing unless otherwise indicated.

[31] Ownership of certain equity investments may occur through a holding company or partnership.

[32] The investment includes the fair value and amortized cost of 1,015 shares of common equity issued in conjunction with the preferred equity.