Loans - Major Loan Segments and Classes (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Financing Receivable, Allowance for Credit Losses [Line Items]
Total gross loans	$ 405,841	$ 365,839
Allowance for loan losses	(7,419)	(7,040)	(6,177)
Deferred loan fees and costs	887	627
Net loans receivable	399,309	359,426
Residential [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total gross loans	227,373	212,526
Allowance for loan losses	(2,731)	(2,627)	(2,163)
Nonresidential [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total gross loans	114,066	91,482
Allowance for loan losses	(2,936)	(2,476)	(2,076)
Construction and land [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total gross loans	4,563	6,214
Multifamily [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total gross loans	4,059	5,511
Allowance for loan losses	(59)	(139)	(337)
Total real estate mortages [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total gross loans	350,061	315,733
Home equity loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total gross loans	20,578	20,371
Allowance for loan losses	(361)	(275)	(187)
Consumer installment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total gross loans	4,208	4,078
Allowance for loan losses	(240)	(222)	(207)
Commercial loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total gross loans	30,994	25,657
Allowance for loan losses	$ (811)	$ (809)	$ (645)