DISTRIBUTIONS TO COMMON STOCKHOLDERS - Adjustments for Book-tax Differences to Reflect Tax Character (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Dec. 31, 2023	Sep. 30, 2023
Equity [Abstract]
Undistributed net investment income	$ 0	$ (373)
Accumulated net realized gain (loss)	0	373
Capital in excess of par value	$ 0	$ 0

Investment Company, Distributable Earnings (Loss), Accumulated Ordinary Income (Loss) Adjustments

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration