Other Liabilities and Accrued Expenses: Schedule of Other Liabilities and Accrued Expenses (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Sep. 30, 2019
Payables and Accruals [Abstract]
Accrued deferred compensation, profit sharing plans and bonuses payable	$ 3,110	$ 3,131
Accrued interest payable on deposits	274	333
Accounts payable and accrued expenses - other	3,928	4,374
Total other liabilities and accrued expenses	$ 7,312	$ 7,838