Other Comprehensive Loss (Details) $ in Thousands	6 Months Ended
	Dec. 31, 2016 USD ($)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, beginning of period	$ 28,627
Balance, end of period	22,198
Unrealized Gain in Mutual Fund Investments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, beginning of period	(101)
Current period change in other comprehensive loss before reclassifications	(39)
Reclassification to net loss for realized losses	60
Balance, end of period	$ (80)