Stock-Based Compensation (Details) - Schedule of unearned performance unit awards	Jun. 30, 2015 $ / shares shares
Schedule of unearned performance unit awards [Abstract]
Unearned at April 30, 2015 | shares	94,585
Unearned at April 30, 2015	$ 19.46
Unearned at June 30, 2015 | shares	94,585
Unearned at June 30, 2015	$ 19.46