Credit Quality of Loans and Allowance for Loan Losses (Delinquent and Nonaccrual Loans by Past Due Status) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Jun. 30, 2012
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	$ 4,030	$ 654
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	1,841	3,362
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	5,380	5,703
Total Past Due	11,251	9,719
Financing Receivable, Recorded Investment, Current	345,174	322,731
Loans and Leases Receivable, Gross, Carrying Amount, Total	356,425	332,450
Financing Receivable, Recorded Investment, Nonaccrual Status	6,863	6,893
Residential mortgage portfolio [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	1,407	99
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	423	1,674
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	3,489	3,850
Total Past Due	5,319	5,623
Financing Receivable, Recorded Investment, Current	203,416	187,755
Loans and Leases Receivable, Gross, Carrying Amount, Total	208,735	193,378
Financing Receivable, Recorded Investment, Nonaccrual Status	4,094	4,206
Nonresidential mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	1,622	424
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	1,220	1,088
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	1,243	1,041
Total Past Due	4,085	2,553
Financing Receivable, Recorded Investment, Current	83,555	78,241
Loans and Leases Receivable, Gross, Carrying Amount, Total	87,640	80,794
Financing Receivable, Recorded Investment, Nonaccrual Status	1,911	1,868
Residential construction & land [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	2,007	2,156
Loans and Leases Receivable, Gross, Carrying Amount, Total	2,007	2,156
Commercial construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	3,042	2,034
Loans and Leases Receivable, Gross, Carrying Amount, Total	3,042	2,034
Multi-family [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	146
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	463	431
Total Past Due	609	431
Financing Receivable, Recorded Investment, Current	4,963	5,091
Loans and Leases Receivable, Gross, Carrying Amount, Total	5,572	5,522
Financing Receivable, Recorded Investment, Nonaccrual Status	463	431
Home Equity Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	87	52
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	25
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due		100
Total Past Due	112	152
Financing Receivable, Recorded Investment, Current	21,105	22,656
Loans and Leases Receivable, Gross, Carrying Amount, Total	21,217	22,808
Financing Receivable, Recorded Investment, Nonaccrual Status	28	60
Consumer installment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	48	76
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	2	4
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due		24
Total Past Due	50	104
Financing Receivable, Recorded Investment, Current	4,110	3,966
Loans and Leases Receivable, Gross, Carrying Amount, Total	4,160	4,070
Financing Receivable, Recorded Investment, Nonaccrual Status		25
Commercial loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	866	3
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	25	596
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	185	257
Total Past Due	1,076	856
Financing Receivable, Recorded Investment, Current	22,976	20,832
Loans and Leases Receivable, Gross, Carrying Amount, Total	24,052	21,688
Financing Receivable, Recorded Investment, Nonaccrual Status	$ 367	$ 303