Condensed Financial Information - Parent Company Only: Condensed Balance Sheets, Parent Company (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Cash and cash equivalents:
Cash and due from financial institutions	$ 12,879	$ 11,008
Interest-bearing deposits in banks	81,617	85,660
Total cash and cash equivalents	94,496	96,668	112,065	111,786
Other assets	4,123	5,386
Total assets	745,648	736,954
Liabilities and shareholders’ equity
Shareholders’ equity	89,688	90,319	86,205	85,408
Total liabilities and shareholders’ equity	745,648	736,954
Parent Company
Cash and cash equivalents:
Cash and due from financial institutions	126	509
Interest-bearing deposits in banks	379	2,183
Total cash and cash equivalents	505	2,692	4,187	4,157
Loan receivable from ESOP	2,565	2,918
Investment in Bank	86,795	84,775
Other assets	40	26
Total assets	89,905	90,411
Liabilities and shareholders’ equity
Accrued expenses	217	92
Shareholders’ equity	89,688	90,319
Total liabilities and shareholders’ equity	$ 89,905	$ 90,411