Credit Quality of Loans and Allowance for Loan Losses (Activity and Allocation of Allowance for Loan Losses) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012	Jun. 30, 2012
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Beginning Balance	$ 6,764	$ 5,617	$ 6,177	$ 5,069
Charge-offs	201	214	641	602
Recoveries	28	23	70	63
Provision	331	541	1,316	1,437
Allowance for Loan Losses, Ending Balance	6,922	5,967	6,922	5,967
Allowance for loan losses: Ending balance: individually evaluated for impairment	1,141		1,141		773
Allowance for loan losses: Ending balance: collectively evaluated for impairment	5,781		5,781		5,404
Loans receivables: Ending balance: individually evaluated for impairment	7,941		7,941		4,707
Loans Receivable: Ending balance: collectively evaluated for impairment	348,484		348,484		327,743
Residential mortgage portfolio [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Beginning Balance	2,429	2,147	2,163	1,767
Charge-offs	13	114	286	172
Recoveries				4
Provision	74	65	613	499
Allowance for Loan Losses, Ending Balance	2,490	2,098	2,490	2,098
Allowance for loan losses: Ending balance: individually evaluated for impairment	363		363		10
Allowance for loan losses: Ending balance: collectively evaluated for impairment	2,127		2,127		2,153
Loans receivables: Ending balance: individually evaluated for impairment	3,080		3,080		413
Loans Receivable: Ending balance: collectively evaluated for impairment	205,655		205,655		192,965
Nonresidential mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Beginning Balance	2,246		2,076
Charge-offs	119		139
Provision	178		368
Allowance for Loan Losses, Ending Balance	2,305		2,305
Allowance for loan losses: Ending balance: individually evaluated for impairment					208
Allowance for loan losses: Ending balance: collectively evaluated for impairment					1,868
Loans receivables: Ending balance: individually evaluated for impairment					1,796
Loans Receivable: Ending balance: collectively evaluated for impairment					78,998
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Beginning Balance		1,947		1,859
Charge-offs				212
Provision		(83)		217
Allowance for Loan Losses, Ending Balance		1,864		1,864
Allowance for loan losses: Ending balance: individually evaluated for impairment	291		291
Allowance for loan losses: Ending balance: collectively evaluated for impairment	2,014		2,014
Loans receivables: Ending balance: individually evaluated for impairment	2,341		2,341
Loans Receivable: Ending balance: collectively evaluated for impairment	85,299		85,299
Residential construction & land [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Beginning Balance	43	31	19	27
Provision	(15)	(8)	9	(4)
Allowance for Loan Losses, Ending Balance	28	23	28	23
Allowance for loan losses: Ending balance: collectively evaluated for impairment	28		28		19
Loans Receivable: Ending balance: collectively evaluated for impairment	2,007		2,007		2,156
Commercial construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Beginning Balance	391	78	407	89
Provision	24	402	8	391
Allowance for Loan Losses, Ending Balance	415	480	415	480
Allowance for loan losses: Ending balance: individually evaluated for impairment	335		335		365
Allowance for loan losses: Ending balance: collectively evaluated for impairment	80		80		42
Loans receivables: Ending balance: individually evaluated for impairment	1,063		1,063		1,075
Loans Receivable: Ending balance: collectively evaluated for impairment	1,979		1,979		959
Multi-family [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Beginning Balance	286	408	337	410
Provision	(21)	(55)	(72)	(57)
Allowance for Loan Losses, Ending Balance	265	353	265	353
Allowance for loan losses: Ending balance: individually evaluated for impairment	149		149		155
Allowance for loan losses: Ending balance: collectively evaluated for impairment	116		116		182
Loans receivables: Ending balance: individually evaluated for impairment	886		886		861
Loans Receivable: Ending balance: collectively evaluated for impairment	4,686		4,686		4,661
Home Equity Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Beginning Balance	361	217	187	186
Provision	(84)	(23)	90	8
Allowance for Loan Losses, Ending Balance	277	194	277	194
Allowance for loan losses: Ending balance: collectively evaluated for impairment	277		277		187
Loans Receivable: Ending balance: collectively evaluated for impairment	21,217		21,217		22,808
Consumer installment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Beginning Balance	281	233	207	203
Charge-offs	69	65	201	183
Recoveries	28	23	70	57
Provision	(37)	120	127	234
Allowance for Loan Losses, Ending Balance	203	311	203	311
Allowance for loan losses: Ending balance: collectively evaluated for impairment	203		203		207
Loans Receivable: Ending balance: collectively evaluated for impairment	4,160		4,160		4,070
Commercial loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Beginning Balance	727	556	645	528
Charge-offs		35	15	35
Recoveries				2
Provision	47	90	144	116
Allowance for Loan Losses, Ending Balance	774	611	774	611
Allowance for loan losses: Ending balance: individually evaluated for impairment	3		3		35
Allowance for loan losses: Ending balance: collectively evaluated for impairment	771		771		610
Loans receivables: Ending balance: individually evaluated for impairment	571		571		562
Loans Receivable: Ending balance: collectively evaluated for impairment	23,481		23,481		21,126
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Beginning Balance			136
Provision	165	33	29	33
Allowance for Loan Losses, Ending Balance	165	33	165	33
Allowance for loan losses: Ending balance: collectively evaluated for impairment	$ 165		$ 165		$ 136