Loans and Allowance for Loan Losses - Delinquent and Nonaccrual Loans by Past Due Status (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	3 Months Ended	6 Months Ended
	Dec. 31, 2014 Contract	Dec. 31, 2013 Contract	Dec. 31, 2013 Contract	Jun. 30, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 to 59 days past due	$ 3,047			$ 1,867
60 to 89 days past due	2,327			917
90 days or more past due	3,006			5,243
Total past due	8,380			8,027
Current	421,248			397,814
Total Loans	429,628			405,841
Loans on Non-accrual	5,822			5,899
Foreclosure period (in years)	2 years
Loans in the process of foreclosure	2,800			3,000
Nonaccrual loans with recent history of delinquency greater than 90 days	3,300			922
Nonaccrual loans making payments pursuant to forbearance agreements	489
Financing receivable, recorded investment, 90 days past due and still accruing	465			266
Financing receivable, modifications, subsequent default, number of contracts	0
Residential Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 to 59 days past due	1,088			1,047
60 to 89 days past due	616			290
90 days or more past due	1,646			1,938
Total past due	3,350			3,275
Current	223,412			224,098
Total Loans	226,762			227,373
Loans on Non-accrual	2,080			2,473
Financing receivable, modifications, subsequent default, number of contracts		1	2
Nonresidential mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 to 59 days past due	865			0
60 to 89 days past due	1,576			504
90 days or more past due	939			2,688
Total past due	3,380			3,192
Current	123,863			110,874
Total Loans	127,243			114,066
Loans on Non-accrual	3,103			2,775
Financing receivable, modifications, subsequent default, number of contracts			1
Residential construction and land [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 to 59 days past due	0			0
60 to 89 days past due	0			0
90 days or more past due	0			0
Total past due	0			0
Current	3,651			3,005
Total Loans	3,651			3,005
Loans on Non-accrual	0			0
Commercial construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 to 59 days past due	0			0
60 to 89 days past due	0			0
90 days or more past due	0			0
Total past due	0			0
Current	5,686			1,558
Total Loans	5,686			1,558
Loans on Non-accrual	0			0
Multi-family [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 to 59 days past due	0			0
60 to 89 days past due	0			0
90 days or more past due	0			0
Total past due	0			0
Current	4,456			4,059
Total Loans	4,456			4,059
Loans on Non-accrual	0			0
Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 to 59 days past due	304			260
60 to 89 days past due	33			0
90 days or more past due	221			339
Total past due	558			599
Current	20,514			19,979
Total Loans	21,072			20,578
Loans on Non-accrual	221			339
Consumer installment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 to 59 days past due	70			51
60 to 89 days past due	0			0
90 days or more past due	0			0
Total past due	70			51
Current	4,035			4,157
Total Loans	4,105			4,208
Loans on Non-accrual	0			0
Commercial loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 to 59 days past due	720			509
60 to 89 days past due	102			123
90 days or more past due	200			278
Total past due	1,022			910
Current	35,631			30,084
Total Loans	36,653			30,994
Loans on Non-accrual	$ 418			$ 312