XML 116 R99.htm IDEA: XBRL DOCUMENT v3.7.0.1
Fair Value Measurement - Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($)
12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Fair Value Disclosures [Abstract]    
Assets, Level 1 to Level 2 transfers $ 0 $ 0
Liabilities, Level 1 to Level 2 transfers 0 0
Assets, Level 2 to Level 1 transfers 0 0
Liabilities, Level 2 to Level 1 transfers 0 0
Asset transfers into Level 3 0  
Liability transfers into Level 3 0 0
Asset transfers out of Level 3 0  
Liability transfers out of Level 3 $ 0 $ 0