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Commitments and Contingencies - Summary Of Outstanding Commitments (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Loss Contingencies [Line Items]
Total Commitment	$ 19,051	$ 24,651
Unfunded Commitment	12,964	16,915
Acendre Midco, Inc. - Revolving Loan
Loss Contingencies [Line Items]
Total Commitment	1,000	1,000
Unfunded Commitment	1,000	1,000
American Allwaste Llc Dba Waste water Transport Services First Lien Debt [Member]
Loss Contingencies [Line Items]
Total Commitment	2,500
Unfunded Commitment	2,500
Choice Technology Solutions, LLC (dba Choice Merchant Solutions, LLC) - Revolving Loan
Loss Contingencies [Line Items]
Total Commitment	1,000	1,000
Unfunded Commitment	1,000	1,000
Combined Systems, Inc. - Revolving Loan
Loss Contingencies [Line Items]
Total Commitment	4,000	4,000
Unfunded Commitment	162	162
EBL, LLC (EbLens) - Common Equity (Units)
Loss Contingencies [Line Items]
Total Commitment	375	375
Unfunded Commitment	375	375
Elements Brands, LLC - Revolving Loan
Loss Contingencies [Line Items]
Total Commitment	1,500	1,500
Netbase Solutions, Inc. (dba Netbase Quid) - First Lien Debt (last out)
Loss Contingencies [Line Items]
Total Commitment	300	300
Unfunded Commitment	300	300
Netbase Solutions, Inc. (dba Netbase Quid) - First Lien Debt (last out)
Loss Contingencies [Line Items]
Total Commitment	3,000	3,000
Unfunded Commitment	3,000	3,000
R1 Holdings, LLC (dba RoadOne IntermodaLogistics) - First Lien Debt
Loss Contingencies [Line Items]
Total Commitment	2,489	2,489
Unfunded Commitment	1,740	2,489
R1 Holdings, LLC (dba RoadOne IntermodaLogistics) - Senior Subordinated Debt
Loss Contingencies [Line Items]
Total Commitment	417	417
Unfunded Commitment	417	417
R1 Holdings, LLC (dba RoadOne IntermodaLogistics) - Common Equity
Loss Contingencies [Line Items]
Total Commitment	70	70
Unfunded Commitment	70	70
Tedia Company, LLC - Revolving Loan
Loss Contingencies [Line Items]
Total Commitment	2,400	4,000
Unfunded Commitment	$ 2,400	2,400
Tedia Company, LLC - Delayed Draw Term Loan
Loss Contingencies [Line Items]
Total Commitment		3,000
Unfunded Commitment		3,000
Western's Smokehouse, LLC - Delayed Draw Term Loan
Loss Contingencies [Line Items]
Total Commitment		3,500
Unfunded Commitment		$ 2,702

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