Employee Benefit Plans - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Compensation and Retirement Disclosure [Abstract]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	6.00%
Defined Contribution Plan, Employee Service Period	6 years
Defined Contribution Plan, Administrative Expenses	$ 1,298	$ 918	$ 827
Executive Medical Care Plan (EMCP) Expenses (Benefit)	238	248	$ 229
Executive Medical Care Plan (EMCP) Accrued Expenses Included in Other Liabilities	$ 5,175	$ 5,079