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INCOME TAXES - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended
--- | ---
Jun. 30, 2025 | Mar. 31, 2025
Income Tax Contingency [Line Items] |  |
Dividends | $ 35,300 | $ 33,700
Dividends declared (in usd per share) | $ 0.64 | $ 0.64
Cost of investments | $ 1,796,100 | $ 1,776,100
Gross unrealized appreciation | 103,800 | 117,400
Gross unrealized depreciation | 119,700 | 108,200
Net unrealized appreciation (depreciation) | (15,900) | 9,200
Total net deferred tax (liabilities) assets | (12,919) | $ (16,780)
RIC |  |
Income Tax Contingency [Line Items] |  |
Cost of investments | 1,738,800 |
Gross unrealized appreciation | 16,500 |
Gross unrealized depreciation | 107,700 |
Net unrealized appreciation (depreciation) | (91,200) |
Taxable Subsidiary |  |
Income Tax Contingency [Line Items] |  |
Cost of investments | 57,300 |
Gross unrealized appreciation | 87,300 |
Gross unrealized depreciation | 12,000 |
Net unrealized appreciation (depreciation) | $ 75,300 |
O 2025 Q4 Dividends |  |
Income Tax Contingency [Line Items] |  |
Dividends declared (in usd per share) |  | $ 0.58
S 2025 Q4 Dividends |  |
Income Tax Contingency [Line Items] |  |
Dividends declared (in usd per share) |  | $ 0.06
O 2026 Q1 Dividends |  |
Income Tax Contingency [Line Items] |  |
Dividends declared (in usd per share) | $ 0.58 |
S 2026 Q1 Dividends |  |
Income Tax Contingency [Line Items] |  |
Dividends declared (in usd per share) | 0.06 |
O 2025 M1 Dividends |  |
Income Tax Contingency [Line Items] |  |
Dividends declared (in usd per share) | 0.1934 |
O 2025 M2 Dividends |  |
Income Tax Contingency [Line Items] |  |
Dividends declared (in usd per share) | 0.1934 |
O 2025 M3 Dividends |  |
Income Tax Contingency [Line Items] |  |
Dividends declared (in usd per share) | 0.1934 |
O 2025 Q3 Supplemental Dividends |  |
Income Tax Contingency [Line Items] |  |
Dividends declared (in usd per share) | $ 0.06 |

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