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Commitments and Contingencies (Narrative) (Details) - USD ($)
 12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Loss Contingencies [Line Items]      
Estimated Litigation Liability $ 275,000    
Lease expense under operating leases 2,500,000 $ 2,300,000 $ 2,400,000
Other Investors      
Loss Contingencies [Line Items]      
Recourse liability 200,000 500,000  
Other Investors | Non-contingent Recourse Liability [Member]      
Loss Contingencies [Line Items]      
Recourse liability   300,000  
Other Investors | Contingent Recourse Liability [Member]      
Loss Contingencies [Line Items]      
Recourse liability   200,000  
Mortgage Partnership Finance (MPF) Program      
Loss Contingencies [Line Items]      
Recourse liability 242,000 267,000  
Federal Housing Administration Certificates and Obligations (FHA) [Member]      
Loss Contingencies [Line Items]      
Recourse liability $ 11,000 $ 45,000