Employee Benefit Plans (Details)	3 Months Ended		6 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2015 USD ($) Installment	Dec. 31, 2014 USD ($)	Jun. 30, 2015 USD ($)
Defined Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 58,000	$ 55,000	$ 116,000	$ 110,000
Expected return on plan assets	(77,000)	(81,000)	(154,000)	(162,000)
Amortization of net loss	34,000	26,000	68,000	52,000
Net periodic pension cost	15,000	0	30,000	0
Supplemental Executive Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic pension cost	62,000	$ 51,000	$ 120,000	$ 99,000
Vesting period			10 years
Period in which lump sum benefit will be paid in the event of death, disability or termination			2 years
Number of annual installments, in which benefit will be paid | Installment			10
Postemployment benefits liability	$ 1,700,000		$ 1,700,000		$ 1,400,000
Supplemental Executive Retirement Plan [Member] | Deferred Base Salary [Member]
Defined Benefit Plan Disclosure [Line Items]
Maximum annual deferral per employee			50.00%
Supplemental Executive Retirement Plan [Member] | Deferred Annual Bonus [Member]
Defined Benefit Plan Disclosure [Line Items]
Maximum annual deferral per employee			100.00%