Disclosure Regarding Fair Value of Financial Statements (Details 3) - Discount Rate [Member] - Number	Sep. 30, 2018	Sep. 30, 2017
Collateral Discounts [Member] | Lower Range [Member]
Impaired loans	0.10	0.10
Other real estate owned	0.10	.10
Collateral Discounts [Member] | Maximum [Member]
Impaired loans	0.20	.20
Other real estate owned	0.20	.20
Appraisals and/or Sales [Member] | Lower Range [Member]
Impaired loans	0.10	.10
Other real estate owned	0.10	.10
Appraisals and/or Sales [Member] | Maximum [Member]
Impaired loans	0.20	.20
Other real estate owned	0.20	.20