Credit Quality of Loans and Allowance for Loan Losses - Delinquent and Nonaccrual Loans by Past Due Status (Details) (USD $)	Dec. 31, 2013 Contract	Jun. 30, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	$ 2,910,000	$ 2,485,000
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	1,121,000	1,447,000
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	4,598,000	6,103,000
Total Past Due	8,629,000	10,035,000
Financing Receivable, Recorded Investment, Current	384,809,000	355,804,000
Loans and Leases Receivable, Gross, Carrying Amount, Total	393,438,000	365,839,000
Financing Receivable, Recorded Investment, Nonaccrual Status	5,979,000	6,326,000
Foreclosure period (in years)	2 years
Loans in the process of foreclosure	3,800,000	4,900,000
Nonaccrual Loans With Recent History Of Delinquency Greater Than 90 Days	1,700,000	781,000
Nonaccrual Loans Making Payments Pursuant To Forbearance Agreements	346,000
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	273,000	559,000
Financing Receivable, Modifications In The Past Twelve Months, Number Of Contracts	0
Residential Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	1,061,000	1,255,000
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	452,000	165,000
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	3,084,000	3,875,000
Total Past Due	4,597,000	5,295,000
Financing Receivable, Recorded Investment, Current	221,236,000	207,231,000
Loans and Leases Receivable, Gross, Carrying Amount, Total	225,833,000	212,526,000
Financing Receivable, Recorded Investment, Nonaccrual Status	3,427,000	3,599,000
Nonresidential mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	1,017,000	215,000
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	570,000	978,000
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	1,065,000	1,655,000
Total Past Due	2,652,000	2,848,000
Financing Receivable, Recorded Investment, Current	100,175,000	88,634,000
Loans and Leases Receivable, Gross, Carrying Amount, Total	102,827,000	91,482,000
Financing Receivable, Recorded Investment, Nonaccrual Status	1,945,000	2,018,000
Residential construction & land [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	0	38,000
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	0	0
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	0	0
Total Past Due	0	38,000
Financing Receivable, Recorded Investment, Current	3,406,000	2,653,000
Loans and Leases Receivable, Gross, Carrying Amount, Total	3,406,000	2,691,000
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Commercial construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	0	0
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	0	0
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	0	0
Total Past Due	0	0
Financing Receivable, Recorded Investment, Current	3,500,000	3,523,000
Loans and Leases Receivable, Gross, Carrying Amount, Total	3,500,000	3,523,000
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Multi-family [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	142,000	144,000
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	0	0
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	0	463,000
Total Past Due	142,000	607,000
Financing Receivable, Recorded Investment, Current	4,552,000	4,904,000
Loans and Leases Receivable, Gross, Carrying Amount, Total	4,694,000	5,511,000
Financing Receivable, Recorded Investment, Nonaccrual Status	0	463,000
Home Equity Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	144,000	269,000
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	80,000	221,000
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	221,000	28,000
Total Past Due	445,000	518,000
Financing Receivable, Recorded Investment, Current	20,169,000	19,853,000
Loans and Leases Receivable, Gross, Carrying Amount, Total	20,614,000	20,371,000
Financing Receivable, Recorded Investment, Nonaccrual Status	270,000	51,000
Consumer installment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	46,000	34,000
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	19,000	5,000
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	22,000	0
Total Past Due	87,000	39,000
Financing Receivable, Recorded Investment, Current	4,180,000	4,039,000
Loans and Leases Receivable, Gross, Carrying Amount, Total	4,267,000	4,078,000
Financing Receivable, Recorded Investment, Nonaccrual Status	23,000	0
Commercial loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	500,000	530,000
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	0	78,000
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	206,000	82,000
Total Past Due	706,000	690,000
Financing Receivable, Recorded Investment, Current	27,591,000	24,967,000
Loans and Leases Receivable, Gross, Carrying Amount, Total	28,297,000	25,657,000
Financing Receivable, Recorded Investment, Nonaccrual Status	$ 314,000	$ 195,000