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401(k) Retirement Plan (Details) - USD ($)
3 Months Ended 9 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2022
Mar. 31, 2021
Defined Contribution Plan Disclosure [Line Items]        
Retirement plan expenses $ 456,000 $ 416,000 $ 1,400,000 $ 1,300,000
Vesting period     5 years  
Maximum        
Defined Contribution Plan Disclosure [Line Items]        
Matching contributions of eligible compensation     4.00%