Consolidated Schedule of Investments - Derivatives € in Thousands, £ in Thousands	Dec. 31, 2023 USD ($)	Dec. 31, 2023 EUR (€)	Dec. 31, 2023 GBP (£)	Sep. 30, 2023 USD ($)	Sep. 30, 2023 EUR (€)	Sep. 30, 2023 GBP (£)
Schedule of Investments [Line Items]
Derivative liability at fair value	$ (2,817,000)			$ 0
Derivative asset at fair value	10,566,000			2,041,000
Foreign currency forward contract
Schedule of Investments [Line Items]
Derivative liability at fair value	(2,817,000)
Derivative asset at fair value				2,041,000
Interest rate swap
Schedule of Investments [Line Items]
Derivative asset at fair value	$ 10,566,000
Interest Rate Swap Maturing 2028
Schedule of Investments [Line Items]
Derivative interest rate	8.40%	8.40%	8.40%
Floating interest rate	4.0405%	4.0405%	4.0405%
Notional amount	$ 350,000,000
Derivative asset at fair value	10,566,000
Open Forward Foreign Currency Contract, Identifier [Axis]: Bank of New York Mellon, Settlement Date 11/9/2023 - 1
Schedule of Investments [Line Items]
Notional Amount to be Purchased				47,642,000
Notional Amount to be Sold | €					€ 43,834
Derivative asset at fair value				1,164,000
Open Forward Foreign Currency Contract, Identifier [Axis]: Bank of New York Mellon, Settlement Date 11/9/2023 - 2
Schedule of Investments [Line Items]
Notional Amount to be Purchased				20,888,000
Notional Amount to be Sold | £						£ 16,392
Derivative asset at fair value				$ 877,000
Open Forward Foreign Currency Contract, Identifier [Axis]: Bank of New York Mellon, Settlement Date 2/8/2024 - 1
Schedule of Investments [Line Items]
Notional Amount to be Purchased	65,890,000
Notional Amount to be Sold | €		€ 61,387
Derivative liability at fair value	(2,019,000)
Open Forward Foreign Currency Contract, Identifier [Axis]: Bank of New York Mellon, Settlement Date 2/8/2024 - 2
Schedule of Investments [Line Items]
Notional Amount to be Purchased	35,600,000
Notional Amount to be Sold | £			£ 28,547
Derivative liability at fair value	$ (798,000)