Net Assets - Schedule of Shares Issued to Stockholders (Details) - shares								9 Months Ended
	Aug. 03, 2023	May 08, 2023	Feb. 16, 2023	Aug. 02, 2022	May 03, 2022	Feb. 17, 2022	Nov. 02, 2021	Sep. 30, 2023	Sep. 30, 2022
Class Of Stock [Line Items]
Shares issued								982,211	1,219,840
Base
Class Of Stock [Line Items]
Dividends date declared	Aug. 03, 2023	May 08, 2023	Feb. 16, 2023	Aug. 02, 2022	May 03, 2022	Feb. 17, 2022	Nov. 02, 2021
Dividends record date	Sep. 15, 2023	Jun. 15, 2023	Mar. 15, 2023	Sep. 15, 2022	Jun. 15, 2022	Mar. 15, 2022	Dec. 15, 2021
Dividends date shares issued	Sep. 29, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jul. 15, 2022	Apr. 18, 2022	Jan. 14, 2022
Shares issued	269,763	290,680	300,988	357,530	294,337	239,376	233,542
Supplemental
Class Of Stock [Line Items]
Dividends date declared	Aug. 03, 2023	May 08, 2023	Feb. 16, 2023		May 03, 2022	Feb. 17, 2022
Dividends record date	Aug. 31, 2023	May 31, 2023	Feb. 28, 2023		May 31, 2022	Feb. 28, 2022
Dividends date shares issued	Sep. 20, 2023	Jun. 20, 2023	Mar. 20, 2023		Jun. 30, 2022	Mar. 31, 2022
Shares issued	35,504	23,686	61,590		29,459	65,596