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v3.25.2

INVESTMENTS - Narrative (Details) $ in Thousands | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
May 31, 2025 USD ($) | Jun. 30, 2025 USD ($) portfolioCompany industry state | Jun. 30, 2024 USD ($) | Mar. 31, 2025 USD ($)
Summary of Investment Holdings [Line Items] |  |  |  |  |
Purchase of investments |  | $ 62,842 | $ 598 |  |
Cost |  | $ 997,538 |  | $ 939,066 | [1]
Number of investment portfolio company | portfolioCompany |  | 27 |  |  |
Number of states or countries which have invested in the company location | state |  | 20 |  |  |
Number of industries that have made investments | industry |  | 16 |  |  |
Investments owned, fair value |  | $ 1,036,745 |  | 979,320 | [1]
Uncollectible receivables allowance, minimum required day for uncollectible adjustment |  | 90 days |  |  |
Gross receivables from portfolio companies |  | $ 2,700 |  | 2,300 |
Allowance for uncollectible receivables |  | 1,500 |  | 1,700 |
Five Largest Portfolio Investments | Investment Portfolio Benchmark | Customer Concentration Risk |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 403,100 |  |  |
Percentage of total investments |  | 38.90% |  |  |
Secured First Lien Debt |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |
Cost |  | $ 625,596 |  | 584,026 |
Investments owned, fair value |  | 557,057 |  | 514,334 |
Preferred Equity |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |
Cost |  | 229,005 |  | 201,487 |
Investments owned, fair value |  | 325,997 |  | $ 302,163 |
Smart Chemical |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |
Purchase of investments | $ 49,500 |  |  |  |
Smart Chemical | Secured First Lien Debt |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |
Purchase of investments | 35,700 |  |  |  |
Smart Chemical | Preferred Equity |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |
Purchase of investments | 13,800 |  |  |  |
Sun State |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |
Purchase of investments | 12,800 |  |  |  |
Sun State | Secured First Lien Debt |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |
Purchase of investments | 9,800 |  |  |  |
Sun State | Preferred Equity |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |
Purchase of investments | $ 3,100 |  |  |  |
PSI Molded |  |  |  |  |
Summary of Investment Holdings [Line Items] |  |  |  |  |
Cost |  | $ 10,600 |  |  |
[1] | Cumulative gross unrealized appreciation for federal income tax purposes is $183.3 million; cumulative gross unrealized depreciation for federal income tax purposes is $144.9 million. Cumulative net unrealized appreciation is $38.5 million, based on a tax cost of $940.9 million.

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