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v3.22.2.2

Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Total asset investment, Percentage | 96.60% |  | 96.60% |  |
Cash, Held in Foreign Currency, Acquisition Cost |  |  | $ 726 |  | $ 93
Cash, Held in Foreign Currency | $ 679 |  | 679 |  | 95
Escrow receivable | 1,300 |  | 1,300 |  | 600
Unamortized fees | 53,600 |  | 53,600 |  | 42,900
Fee Income | 2,821 | $ 6,881 | 9,110 | $ 20,111 |
Exit fees receivables | 36,500 |  | 36,500 |  | 35,000
Interest Income | 81,408 | 63,312 | 212,391 | 188,400 |
Income from advisory services | $ 0 | $ 0 | $ 0 | $ 0 |
Stock issued during period, shares, dividend reinvestment plan | 62,726 | 55,413 | 184,197 | 189,356 |
Other comprehensive income | $ 0 | $ 0 | $ 0 | $ 0 |
Investment Company, Accounting and Reporting under Topic 946 [true false] |  |  | true |  |
PIK [Member] |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Interest Income | 4,900 | 2,900 | $ 14,900 | 8,100 |
One Time Fee [Member] |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Fee Income | 500 | $ 1,700 | 1,300 | $ 6,200 |
Deferred Fees [Member] |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Unamortized fees | 11,500 |  | 11,500 |  | 6,400
Exit fees receivables | 4,500 |  | 4,500 |  | 5,400
Included in Cost [Member] |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Unamortized fees | 42,100 |  | 42,100 |  | 36,500
Exit fees receivables | $ 32,000 |  | $ 32,000 |  | $ 29,600

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