Quarterly report pursuant to Section 13 or 15(d)

INVESTMENTS - Fair Value Measurement Inputs and Valuation Techniques (Details)

v3.23.2
INVESTMENTS - Fair Value Measurement Inputs and Valuation Techniques (Details)
$ in Thousands
Jun. 30, 2023
USD ($)
Mar. 31, 2023
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 800,078 $ 753,543 [1]
Investments at fair value 800,078 753,543
Secured First Lien Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 452,215 437,517
Secured Second Lien Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 104,794 75,734
Preferred Equity    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 214,258 222,585
Common Equity/ Equivalents    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 28,811 17,707
Significant Unobservable Inputs (Level 3)    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 800,047 753,516
Investments at fair value 800,047 753,516
Significant Unobservable Inputs (Level 3) | Secured First Lien Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 452,215 437,517
Significant Unobservable Inputs (Level 3) | Secured Second Lien Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 104,794 75,734
Significant Unobservable Inputs (Level 3) | Preferred Equity    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 214,258 222,585
Significant Unobservable Inputs (Level 3) | Common Equity/ Equivalents    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 28,780 17,680
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Secured First Lien Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 452,215 432,126
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Secured Second Lien Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 104,794 62,750
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Preferred Equity    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 214,258 222,585
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Common Equity/ Equivalents    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 28,780 $ 17,680
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Secured First Lien Debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 4.8 4.4
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Secured First Lien Debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 7.8 7.7
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Secured First Lien Debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 6.5 6.4
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Secured Second Lien Debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 5.3 5.4
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Secured Second Lien Debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 9.0 6.6
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Secured Second Lien Debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 6.3 6.2
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Preferred Equity | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 5.1 4.4
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Preferred Equity | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 7.8 7.7
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Preferred Equity | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 6.1 5.9
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Common Equity/ Equivalents | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 4.8 4.7
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Common Equity/ Equivalents | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 9.0 7.2
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA multiple | Common Equity/ Equivalents | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 5.7 6.4
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Secured First Lien Debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 1,319 $ 4,251
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Secured First Lien Debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 19,886 19,083
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Secured First Lien Debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 9,876 10,764
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Secured Second Lien Debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 6,411 4,112
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Secured Second Lien Debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 37,766 6,379
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Secured Second Lien Debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 14,617 5,501
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Preferred Equity | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 2,940 4,251
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Preferred Equity | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 19,886 19,083
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Preferred Equity | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 9,148 9,486
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Common Equity/ Equivalents | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 1,319 1,105
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Common Equity/ Equivalents | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 37,766 30,833
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | EBITDA | Common Equity/ Equivalents | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 15,785 $ 6,273
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue multiple | Secured First Lien Debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 0.3 0.3
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue multiple | Secured First Lien Debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 0.6 0.6
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue multiple | Secured First Lien Debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 0.3 0.3
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue multiple | Preferred Equity | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 0.3 0.3
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue multiple | Preferred Equity | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 0.6 0.6
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue multiple | Preferred Equity | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input 0.4 0.4
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue | Secured First Lien Debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 15,375 $ 15,483
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue | Secured First Lien Debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 103,488 109,615
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue | Secured First Lien Debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 89,768 94,957
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue | Preferred Equity | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 15,375 15,483
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue | Preferred Equity | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 103,488 109,615
Significant Unobservable Inputs (Level 3) | Total Enterprise Value | Revenue | Preferred Equity | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 65,701 69,247
Significant Unobservable Inputs (Level 3) | Yield Analysis | Secured First Lien Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 0 5,391
Significant Unobservable Inputs (Level 3) | Yield Analysis | Secured Second Lien Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 0 $ 12,984
Significant Unobservable Inputs (Level 3) | Yield Analysis | Discount Rate | Secured First Lien Debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input   0.194
Significant Unobservable Inputs (Level 3) | Yield Analysis | Discount Rate | Secured First Lien Debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input   0.199
Significant Unobservable Inputs (Level 3) | Yield Analysis | Discount Rate | Secured First Lien Debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input   0.197
Significant Unobservable Inputs (Level 3) | Yield Analysis | Discount Rate | Secured Second Lien Debt | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input   0.140
Significant Unobservable Inputs (Level 3) | Yield Analysis | Discount Rate | Secured Second Lien Debt | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input   0.140
Significant Unobservable Inputs (Level 3) | Yield Analysis | Discount Rate | Secured Second Lien Debt | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value, measurement input   0.140
Significant Other Observable Inputs (Level 2)    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 31 $ 27
Significant Other Observable Inputs (Level 2) | Secured First Lien Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 0 0
Significant Other Observable Inputs (Level 2) | Secured Second Lien Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 0 0
Significant Other Observable Inputs (Level 2) | Preferred Equity    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 0 0
Significant Other Observable Inputs (Level 2) | Common Equity/ Equivalents    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 31 27
Significant Other Observable Inputs (Level 2) | Common Equity/ Equivalents | Funko Acquisition Holdings, LLC    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 31 $ 27
[1] Cumulative gross unrealized appreciation for federal income tax purposes is $150.4 million; cumulative gross unrealized depreciation for federal income tax purposes is $119.3 million. Cumulative net unrealized appreciation is $31.1 million, based on a tax cost of $722.4 million.