Derivatives - Schedule of Interest Rate Swaps (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Sep. 30, 2025
Open Swap Contract, Identifier [Axis]: BNP Paribas
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Unrealized Appreciation	$ 0
Unrealized Depreciation	$ (3,107)
Open Swap Contract, Identifier [Axis]: BNP Paribas, Settlement Date 4/15/2031
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Company Receives	5.60%
Company Pays	1.955%
Notional Amount	$ 200,000
Unrealized Appreciation	0
Unrealized Depreciation	(3,107)
Open Swap Contract, Identifier [Axis]: Macquarie Bank Limited
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Unrealized Appreciation	320	$ 1,425
Unrealized Depreciation	$ (3,352)	$ (869)
Open Swap Contract, Identifier [Axis]: Macquarie Bank Limited, Settlement Date 8/12/2029
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Company Receives	6.046%	6.046%
Company Pays	2.77%	2.77%
Notional Amount	$ 150,000	$ 150,000
Unrealized Appreciation	0	0
Unrealized Depreciation	$ (3,352)	$ (869)
Open Swap Contract, Identifier [Axis]: Macquarie Bank Limited, Settlement Date 9/20/2027
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Company Receives	7.12%	7.12%
Company Pays	2.644%	2.644%
Notional Amount	$ 75,000	$ 75,000
Unrealized Appreciation	320	1,425
Unrealized Depreciation	0	0
Open Swap Contract, Identifier [Axis]: Morgan Stanley Capital Services LLC
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Unrealized Appreciation	606	4,286
Unrealized Depreciation	$ 0	$ 0
Open Swap Contract, Identifier [Axis]: Morgan Stanley Capital Services LLC, Settlement Date 5/1/2030
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Company Receives	5.875%	5.875%
Company Pays	1.745%	1.745%
Notional Amount	$ 150,000	$ 150,000
Unrealized Appreciation	606	4,286
Unrealized Depreciation	0	0
Open Swap Contract, Identifier [Axis]: Regions Bank
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Unrealized Appreciation	0	0
Unrealized Depreciation	$ (8,003)	$ (2,252)
Open Swap Contract, Identifier [Axis]: Regions Bank, Settlement Date 8/12/2029
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Company Receives	6.046%	6.046%
Company Pays	2.7875%	2.7875%
Notional Amount	$ 350,000	$ 350,000
Unrealized Appreciation	0	0
Unrealized Depreciation	(8,003)	(2,252)
Open Swap Contract, Identifier [Axis]: SMBC Capital Markets, Inc
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Unrealized Appreciation	2,725	17,302
Unrealized Depreciation	$ (9,337)	$ 0
Open Swap Contract, Identifier [Axis]: SMBC Capital Markets, Inc., Settlement Date 4/15/2031
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Company Receives	5.60%
Company Pays	1.9485%
Notional Amount	$ 300,000
Unrealized Appreciation	0
Unrealized Depreciation	$ (4,576)
Open Swap Contract, Identifier [Axis]: SMBC Capital Markets, Inc., Settlement Date 5/1/2030
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Company Receives	5.875%	5.875%
Company Pays	1.727%	1.727%
Notional Amount	$ 350,000	$ 350,000
Unrealized Appreciation	1,637	10,267
Unrealized Depreciation	$ 0	$ 0
Open Swap Contract, Identifier [Axis]: SMBC Capital Markets, Inc., Settlement Date 8/15/2028
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Company Receives	5.45%	5.45%
Company Pays	1.834%	1.834%
Notional Amount	$ 500,000	$ 500,000
Unrealized Appreciation	0	2,569
Unrealized Depreciation	$ (4,761)	$ 0
Open Swap Contract, Identifier [Axis]: SMBC Capital Markets, Inc., Settlement Date 9/18/2027
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Company Receives	7.12%	7.12%
Company Pays	2.5975%	2.5975%
Notional Amount	$ 225,000	$ 225,000
Unrealized Appreciation	1,088	4,466
Unrealized Depreciation	$ 0	$ 0

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