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Fair Value of Financial Instruments - Additional Information (Details) - USD ($)	3 Months Ended		12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Sep. 30, 2022
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Net change in unrealized depreciation on debt	$ 2,067,000	$ 3,611,000
Long-Term Credit Facility
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Line of credit facility amendment costs	0	0
Net change in unrealized depreciation on debt	2,100,000	$ 3,600,000
Prior Credit Facility
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Net change in unrealized depreciation on debt	$ 4,400,000		$ 1,500,000