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Leases - Additional Information (Details) - USD ($)
 12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
Lessee, Lease, Description [Line Items]      
Restricted cash $ 367,917,000 $ 295,636,000 $ 226,074,000
Right-of-use assets 30,171,000 50,671,000  
Present value of total lease liabilities 52,557,000 65,713,000  
Impairment expense 1,244,000 362,000 11,544,000
Sublease income $ 3,400,000 3,100,000 $ 0
Minimum      
Lessee, Lease, Description [Line Items]      
Lease termination notice period 9 months    
Remaining lease term 1 year    
Maximum      
Lessee, Lease, Description [Line Items]      
Lease termination notice period 1 year    
Remaining lease term 7 years    
Cash collateral and deposits for letters of credit      
Lessee, Lease, Description [Line Items]      
Restricted cash $ 9,700,000 $ 9,700,000