Commitments (Details) - USD ($) $ in Millions	Sep. 30, 2025	Sep. 30, 2024
Commitments [Line Items]
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Other liabilities
Lease liability	$ 2.4	$ 0.3
Remaining lease term	10 years	2 years
Implied borrowing rate percentage	5.25%	6.85%
Unfunded Loan Commitment [Member]
Commitments [Line Items]
Financing agreements to fund	$ 5.5	$ 1.6
Other Assets [Member]
Commitments [Line Items]
Asset related to the operating lease	$ 2.5	$ 0.3