Income Taxes - Schedule of Reconciliation of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Current expense:
Federal	$ 1,696	$ 3,821
State	528	603
Total current	2,224	4,424
Deferred (benefit) expense:
Federal	(5,311)	(2,228)
State	(1,571)	(625)
Total deferred	(6,882)	(2,853)
Total income tax (benefit) expense	$ (4,658)	$ 1,571