Consolidated Statements of Other Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Net income attributable to common stockholders	$ 2,573	$ 2,806
Securities available for sale
Net unrealized gains arising during period	825	584
Reclassification adjustment for gains (losses) included in net income	38	36
Unrealized gains on securities	863	620
Defined benefit plans:
Amortization of unrecognized prior service costs and net (losses) gains	(35)	8
Total other comprehensive income, net of tax	828	628
Comprehensive income	$ 3,401	$ 3,434