FINANCIAL HIGHLIGHTS - Schedule of Financial Highlights, Additional Information (Details) - $ / shares	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Dec. 31, 2022
Investment Company, Financial Highlights [Line Items]
Per share market value at end of period (in dollars per share)	$ 20.84	$ 18.79	$ 20.03	$ 18.47
Total distributions to stockholders (in dollars per share)	$ 0.96	$ 0.96
Ratio of operating expenses to average net assets	12.31%	12.37%
Base management fee
Investment Company, Financial Highlights [Line Items]
Ratio of operating expenses to average net assets	3.03%	3.19%
Income based fee and capital gains incentive fee
Investment Company, Financial Highlights [Line Items]
Ratio of operating expenses to average net assets	3.27%	3.08%
Interest and credit facility fees
Investment Company, Financial Highlights [Line Items]
Ratio of operating expenses to average net assets	5.66%	5.67%
Other operating expenses
Investment Company, Financial Highlights [Line Items]
Ratio of operating expenses to average net assets	0.35%	0.43%