Deferred Compensation Agreements - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Compensation and Retirement Disclosure [Abstract]
Director Emeritus Plans Expenses	$ 489	$ 468	$ 478
Director Emeritus Plans Accrued Expenses Included in Other Liabilities	9,443	10,632
Deferred Compensation Agreements Expense for Board of Director Plans	41	63	104
Deferred Compensation Agreements Expense for Officer Plans	826	629	841
Deferred Compensation Agreements Expense Included in Other Liabilities for Officer Plans	20,391	19,950
Deferred Compensation Plan for Officers and Directors Expense	199	223	$ 240
Deferred Compensation Plan for Officers and Directors Expense Included in Other Liabilities	$ 5,851	$ 6,047