Dividends (Details)	12 Months Ended
	Jun. 30, 2015 USD ($) Dividend $ / shares	Jun. 30, 2014 USD ($) Dividend $ / shares	Jun. 30, 2013 USD ($) Dividend $ / shares
Dividends [Abstract]
Number of cash dividends declared and paid during period | Dividend	4	4	5
Dividends Payable [Line Items]
Dividend Per Share (in dollars per share) | $ / shares	$ 0.48	$ 0.48	$ 0.86
Dividends	$ 4,522
Dividends Payable	232,000
Current dividends payable	93,000	$ 67,000
Non-current dividends payable	139,000
Dividends forfeited with restricted stock forfeitures	$ 73,000	$ 63,000	$ 26,000
First Quarter Dividend [Member]
Dividends Payable [Line Items]
Record Date	Sep. 15, 2014
Payment Date	Sep. 29, 2014
Type	Quarterly
Dividend Per Share (in dollars per share) | $ / shares	$ 0.12
Dividends	$ 1,112
Second Quarter Dividend [Member]
Dividends Payable [Line Items]
Record Date	Dec. 16, 2014
Payment Date	Dec. 30, 2014
Type	Quarterly
Dividend Per Share (in dollars per share) | $ / shares	$ 0.12
Dividends	$ 1,137
Third Quarter Dividend [Member]
Dividends Payable [Line Items]
Record Date	Mar. 16, 2015
Payment Date	Mar. 30, 2015
Type	Quarterly
Dividend Per Share (in dollars per share) | $ / shares	$ 0.12
Dividends	$ 1,133
Fourth Quarter Dividend [Member]
Dividends Payable [Line Items]
Record Date	Jun. 15, 2015
Payment Date	Jun. 29, 2015
Type	Quarterly
Dividend Per Share (in dollars per share) | $ / shares	$ 0.12
Dividends	$ 1,140