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Organization, Basis of Presentation, and Summary of Significant Accounting Policies Repurchase Commitments (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Accounting Policies [Abstract]    
Floor Financing, Repurchase Obligations $ 67,700 $ 63,200
Repurchase Commitments, Period 2 years 6 months