NET ASSETS - Schedule of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net increase (decrease) in net assets resulting from operations attributable to Common Stockholders
Basic	$ 3,838	$ 3,790	$ 30,950	$ 33,598
Diluted	$ 3,838	$ 3,790	$ 32,700	$ 35,348
Weighted-average common shares outstanding
Basic (in shares)	50,794,941	52,421,296	50,840,753	52,655,375
Diluted (in shares)	50,794,941	52,421,296	56,273,633	57,974,987
Basic and diluted earnings per share
Basic (in dollars per share)	$ 0.08	$ 0.07	$ 0.61	$ 0.64
Diluted (in dollars per share)	$ 0.08	$ 0.07	$ 0.58	$ 0.61