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Stockholders' Equity - Summary of Components of Stockholders' Equity (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Mar. 31, 2024 | Jun. 30, 2023 | Mar. 31, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Beginning balance | [1] | $ 210,607 |  | $ 213,518 | $ 225,106 |  | $ 232,123 | $ 213,518 |  | $ 232,123 |
Net investment income |  | 6,477 |  | 6,226 | 7,915 |  | 8,529 |  |  |  |
Net change in unrealized appreciation on investments |  | (5,966) |  | 71 | (4,176) |  | (5,960) | (5,895) |  | (10,136) |
Net realized (losses) from investment transactions and extinguishment of debt |  | (6,961) |  | (2,270) | (6,689) |  | (3,085) |  |  |  |
Tax (provision) benefit on realized and unrealized gains (losses) on investments |  | 78 | [1] | 459 | (164) | [1] | 571 | 537 | [1] | 407 | [1]
Distributions to Stockholders |  | (6,411) | [1] | (6,444) | (6,579) | [1] | (6,495) | (12,854) | [1] | (13,074) | [1]
Reinvested Dividends |  | 158 | [1] | 0 | 153 | [1] | 215 | 158 | [1] | 368 | [1]
Stock repurchases |  | (1,553) | [1] | (953) | (553) | [1] | (792) | (2,506) | [1] | (1,345) | [1]
Ending balance | [1] | 196,429 | [2] | 210,607 | 215,013 | [2] | 225,106 | 196,429 | [2] | 215,013 | [2]
Common Stock |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | 93 |  | 94 | 96 |  | 96 | 94 |  | 96 |
Stock repurchases |  |  |  | (1) | (1) |  |  |  |  |  |
Ending balance |  | 93 |  | 93 | 95 |  | 96 | 93 |  | 95 |
Capital in Excess of Par Value |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | 716,883 |  | 717,835 | 736,207 |  | 736,784 | 717,835 |  | 736,784 |
Reinvested Dividends |  | 158 |  |  | 153 |  | 215 |  |  |  |
Stock repurchases |  | (1,553) |  | (952) | (552) |  | (792) |  |  |  |
Ending balance |  | 715,488 |  | 716,883 | 735,808 |  | 736,207 | 715,488 |  | 735,808 |
Total Distributable (Loss) Earnings |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | (506,369) |  | (504,411) | (511,197) |  | (504,757) | (504,411) |  | (504,757) |
Net investment income |  | 6,477 |  | 6,226 | 7,915 |  | 8,529 |  |  |  |
Net change in unrealized appreciation on investments |  | (5,966) |  | 71 | (4,176) |  | (5,960) |  |  |  |
Net realized (losses) from investment transactions and extinguishment of debt |  | (6,961) |  | (2,270) | (6,689) |  | (3,085) |  |  |  |
Tax (provision) benefit on realized and unrealized gains (losses) on investments |  | 78 |  | 459 | (164) |  | 571 |  |  |  |
Distributions to Stockholders |  | (6,411) |  | (6,444) | (6,579) |  | (6,495) |  |  |  |
Ending balance |  | $ (519,152) |  | $ (506,369) | $ (520,890) |  | $ (511,197) | $ (519,152) |  | $ (520,890) |
[1] | Refer to Note 9 “Stockholders' Equity” for additional information on changes in components of Stockholders' Equity
[2] | Totals may not sum due to rounding.

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