Fair Value Measurements and Fair Value of Financial Instruments (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans Receivable, Fair Value Disclosure	$ 367,377	$ 341,263
Allowance for Loan Losses, Ending Balance	7,040	6,177	5,069
Allowance for loan losses	7,040	6,177	5,069
Transfer to Foreclosed Real Estate	475	653
Impaired Financing Receivable, Recorded Investment	7,686	4,707
Impaired Financing Receivable, Related Allowance	1,179	773
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans Receivable, Fair Value Disclosure	367,377	341,263
Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans Receivable, Fair Value Disclosure	6,600	3,100
Allowance for Loan Losses, Ending Balance	1,200	773
Allowance for loan losses	1,200	773
Residential mortgage portfolio [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Allowance for Loan Losses, Ending Balance	2,627	2,163	1,767
Allowance for loan losses	2,627	2,163	1,767
Fair Value, Number of Loans in Portfolio	13	3
Impaired Financing Receivable, Recorded Investment	3,434	413
Impaired Financing Receivable, Related Allowance	520	10
Nonresidential mortgage [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Allowance for Loan Losses, Ending Balance	2,476	2,076
Allowance for loan losses	2,476	2,076
Fair Value, Number of Loans in Portfolio	6	5
Impaired Financing Receivable, Recorded Investment	2,122	1,796
Impaired Financing Receivable, Related Allowance	305	208
Multi-family [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Allowance for Loan Losses, Ending Balance	139	337	410
Allowance for loan losses	139	337	410
Fair Value, Number of Loans in Portfolio	2	1
Impaired Financing Receivable, Recorded Investment	463	861
Impaired Financing Receivable, Related Allowance	16	155
Commercial construction [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Allowance for Loan Losses, Ending Balance	392	407	89
Allowance for loan losses	392	407	89
Fair Value, Number of Loans in Portfolio	2	1
Impaired Financing Receivable, Recorded Investment	1,057	1,075
Impaired Financing Receivable, Related Allowance	331	365
Commercial loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Allowance for Loan Losses, Ending Balance	809	645	528
Allowance for loan losses	809	645	528
Fair Value, Number of Loans in Portfolio	2	1
Impaired Financing Receivable, Recorded Investment	610	562
Impaired Financing Receivable, Related Allowance	$ 7	$ 35