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Commitments and Contingencies - Additional Information (Details) - USD ($)
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Loss Contingencies    
Operating Leases, Rent Expense $ 1,700,000 $ 1,700,000
Recourse liability 25,000 70,000
Other Investors    
Loss Contingencies    
Recourse liability 175,000 200,000
Mortgage Partnership Finance (MPF) Program    
Loss Contingencies    
Recourse liability $ 25,000 $ 70,000