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Investments - Supplemental Employee Retirement Plan Investments (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Jun. 30, 2022
Schedule of Trading Securities and Other Trading Assets    
Total SERP investments $ 10,848 $ 10,517
Total SERP obligation 10,848 10,517
SERP investments - current asset    
Schedule of Trading Securities and Other Trading Assets    
Total SERP investments 3,244 3,284
Total SERP obligation 3,244 3,284
SERP investments - other long-term asset    
Schedule of Trading Securities and Other Trading Assets    
Total SERP investments 7,604 7,233
Total SERP obligation $ 7,604 $ 7,233