AGREEMENTS AND RELATED PARTY TRANSACTIONS - Capital Gains Fee (Details) - USD ($)		3 Months Ended
	Jun. 24, 2020	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Related Party Transaction [Line Items]
Incentive management fees payable		$ 3,199,000		$ 3,062,000
Incentive management fees		3,199,000	$ 2,699,000
Investment Management Agreement - Incentive Rate, Realized Capital Gains | Affiliated Entity
Related Party Transaction [Line Items]
Management and service fees, incentive rate	12.50%
Investment Management Agreement - Incentive Rate, Zero or Negative Realized Capital Gains
Related Party Transaction [Line Items]
Incentive management fees payable	$ 0
Investment Management Agreement - Incentive Rate, Pre-Incentive Fee Net Investment Income
Related Party Transaction [Line Items]
Incentive management fees payable		2,800,000		3,100,000
Incentive management fees		2,800,000	2,700,000
Investment Management Agreement - Incentive Rate, Capital Gain Fee
Related Party Transaction [Line Items]
Incentive management fees payable		400,000		$ 0
Incentive management fees		$ 400,000	$ 0
Advisory Agreement | Affiliated Entity
Related Party Transaction [Line Items]
Agreement initial term	2 years
Agreement successive period	1 year
Agreement termination period	60 days
Agreement termination period by adviser upon written notice	90 days