Deposits: Narrative (Details) - USD ($)	Sep. 30, 2024	Sep. 30, 2023
Deposits [Abstract]
Time Deposits, $250,000 Or More	$ 113,579,000	$ 91,714,000
Brokered deposits	48,759,000	38,165,000
Reciprocal deposits	$ 93,464,000	$ 70,764,000