Condensed Financial Information - Parent Company Only: Condensed Statements of Operations, Parent Company (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Operating income
Interest on deposits in banks									$ 336	$ 338	$ 347
Operating expenses									607	776	675
Loss before income taxes and equity in undistributed income of Bank									7,271	6,371	1,393
Benefit for income taxes	(740)	(373)	(582)	(819)	(230)	(624)	(336)	(591)	(2,514)	(1,781)	(304)
Net income	895	876	1,278	1,708	1,151	1,348	808	1,283	4,757	4,590	1,089
Preferred stock dividends	(151)	(151)	(207)	(201)	(208)	(208)	(208)	(208)	(710)	(832)	(832)
Preferred stock accretion	(47)	(47)	(126)	(63)	(61)	(61)	(59)	(59)	(283)	(240)	(225)
Discount on redemption of preferred stock	0	0	255	0					255	0	0
Net income to common shareholders	697	678	1,200	1,444	882	1,079	541	1,016	4,019	3,518	32
Parent Company
Operating income
Interest on deposits in banks									1	1	1
Interest on loan receivable from ESOP									237	266	291
Total operating income									238	267	292
Operating expenses									455	556	541
Loss before income taxes and equity in undistributed income of Bank									(217)	(289)	(249)
Benefit for income taxes									98	98	85
Loss before equity in undistributed income of Bank									(119)	(191)	(164)
Equity in undistributed income of Bank									4,876	4,781	1,253
Net income									4,757	4,590	1,089
Preferred stock dividends									(710)	(832)	(832)
Preferred stock accretion									(283)	(240)	(225)
Discount on redemption of preferred stock									255	0	0
Net income to common shareholders									$ 4,019	$ 3,518	$ 32