ORGANIZATION, BUSINESS AND BASIS OF PRESENTATION (Details) - USD ($)				3 Months Ended		6 Months Ended		12 Months Ended	16 Months Ended
	Feb. 23, 2023	Feb. 25, 2022	Dec. 23, 2020	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Jun. 30, 2023	May 05, 2022
Schedule of Equity Method Investments [Line Items]
Share repurchase program term	12 months					12 months
Purchases of shares in repurchase plan				$ 10,854,000	$ 13,008,000	$ 10,854,000	$ 15,113,000
Sierra Merger
Schedule of Equity Method Investments [Line Items]
Shares of common stock repurchased (in shares)				1,400,000		1,400,000
Shares of common stock repurchased, average price (in dollars per share)				$ 7.75		$ 7.75
Common Stock
Schedule of Equity Method Investments [Line Items]
Common stock aggregate amount	$ 30,000,000	$ 30,000,000
Common stock market price percent of NAV, threshold		90.00%
Shares of common stock repurchased (in shares)				1,400,000	1,309,442	1,400,000	1,517,119
Purchases of shares in repurchase plan				$ 1,000	$ 1,000	$ 1,000	$ 1,000
Common Stock \| MVC
Schedule of Equity Method Investments [Line Items]
Common stock aggregate amount			$ 15,000,000
Common stock market price percent of NAV, threshold			90.00%
Shares of common stock repurchased (in shares)										207,677
Shares of common stock repurchased, average price (in dollars per share)										$ 10.14
Common Stock \| Sierra Acquisition
Schedule of Equity Method Investments [Line Items]
Common stock aggregate amount		$ 30,000,000
Common stock market price percent of NAV, threshold		90.00%
Shares of common stock repurchased (in shares)									3,179,168
Shares of common stock repurchased, average price (in dollars per share)									$ 9.44
Common Stock \| Sierra Merger
Schedule of Equity Method Investments [Line Items]
Purchases of shares in repurchase plan								$ 30,000,000