Loans Receivable and Related Allowance for Loan Losses (Details 5) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Sep. 30, 2011
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	$ 319,451	$ 327,887
30 - 59 Days Past Due	2,198	8,646
60 - 89 Days Past Due	4,300	3,072
90 Days+ Past Due	6,567	5,546
Total Past Due	13,065	17,264
Non-Accrual	6,301	6,897
Total Loans	338,817	352,048
Residential loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	108,105	112,633
30 - 59 Days Past Due	791	3,088
60 - 89 Days Past Due	2,032	983
90 Days+ Past Due	19
Total Past Due	2,842	4,071
Non-Accrual	1,067	1,764
Total Loans	112,014	118,468
Commercial real estate loans [Member] | Non owner-occupied [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	54,951	52,146
30 - 59 Days Past Due	275	1,041
60 - 89 Days Past Due	148	749
90 Days+ Past Due	190	2,306
Total Past Due	613	4,096
Non-Accrual	4,026	4,398
Total Loans	59,590	60,640
Commercial real estate loans [Member] | All other commercial real estate [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	23,953	19,387
30 - 59 Days Past Due	218	2,220
60 - 89 Days Past Due	551	574
Total Past Due	769	2,794
Non-Accrual	80
Total Loans	24,802	22,181
Construction loans [Member] | Residential construction loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	2,666	7,236
Total Loans	2,666	7,236
Construction loans [Member] | Commercial construction loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	10,175	13,231
90 Days+ Past Due	3,806	1,640
Total Past Due	3,806	1,640
Total Loans	13,981	14,871
Home equity loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	60,046	64,904
30 - 59 Days Past Due	284	197
60 - 89 Days Past Due	162	315
90 Days+ Past Due	930	545
Total Past Due	1,376	1,057
Non-Accrual	336	726
Total Loans	61,758	66,687
Consumer loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	2,346	2,450
30 - 59 Days Past Due	74	52
60 - 89 Days Past Due	43	4
90 Days+ Past Due		4
Total Past Due	117	60
Non-Accrual	9
Total Loans	2,472	2,510
Commercial business and lease loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	57,209	55,900
30 - 59 Days Past Due	556	2,048
60 - 89 Days Past Due	1,364	447
90 Days+ Past Due	1,622	1,051
Total Past Due	3,542	3,546
Non-Accrual	783	9
Total Loans	$ 61,534	$ 59,455