Investments and Joint Ventures (Available for Sale Securities) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Equity Method Investments and Joint Ventures [Abstract]
Percentage of ownership (less than)	1.00%
Sale of available for sale security (in shares)	0	102,000
Loss on sale of available for sale security		$ 21
Shares held (in shares)	933,000
Available for sale securities	$ 692	882
Amortized cost basis, available for sale securities	$ 1,164	$ 1,164