NET ASSETS - Schedule of Distributable Earnings (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Investment Company, Net Assets [Roll Forward]
Total distributable earnings (loss), beginning of period	$ 8,459
Net investment income (loss) after taxes	220,235	$ 198,061	$ 128,010
Net realized gain (loss)	(16,480)	118	537
Net unrealized appreciation (depreciation)	11,904	32,835	(80,005)
Dividends declared	(195,729)	(169,291)	(119,437)
Total distributable earnings (loss), end of period	29,624	8,459
Total distributable earnings (loss)
Investment Company, Net Assets [Roll Forward]
Total distributable earnings (loss), beginning of period	8,459	(54,779)	15,782
Net investment income (loss) after taxes	220,235	198,061	128,010
Net realized gain (loss)	(16,467)	118	537
Net unrealized appreciation (depreciation)	11,796	32,835	(80,005)
Dividends declared	(195,729)	(169,291)	(119,437)
Tax reclassification of stockholders’ equity	1,330	1,515	334
Total distributable earnings (loss), end of period	$ 29,624	$ 8,459	$ (54,779)