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Fair Value - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Jun. 30, 2021
Assets    
Available for sale securities - Debt $ 898 $ 10,150
Fair Value, Recurring    
Assets    
Money market funds (cash and cash equivalents) 9,603 340
Available for sale securities - Debt 898 10,150
Other investments (long-term) 2,172 1,980
Interest rate swap (long-term) 230 0
Total assets 12,903 12,470
Liabilities    
Total liabilities 316 3,114
Fair Value, Recurring | Interest Rate Swap    
Liabilities    
Interest rate swap (short-term) 316 1,564
Interest rate swap (long-term) 0 1,550
Fair Value, Recurring | Level 1    
Assets    
Money market funds (cash and cash equivalents) 9,603 340
Available for sale securities - Debt 0 0
Other investments (long-term) 0 0
Interest rate swap (long-term) 0 0
Total assets 9,603 340
Liabilities    
Total liabilities 0 0
Fair Value, Recurring | Level 1 | Interest Rate Swap    
Liabilities    
Interest rate swap (short-term) 0 0
Interest rate swap (long-term) 0 0
Fair Value, Recurring | Level 2    
Assets    
Money market funds (cash and cash equivalents) 0 0
Available for sale securities - Debt 898 10,150
Other investments (long-term) 792 966
Interest rate swap (long-term) 230 0
Total assets 1,920 11,116
Liabilities    
Total liabilities 316 3,114
Fair Value, Recurring | Level 2 | Interest Rate Swap    
Liabilities    
Interest rate swap (short-term) 316 1,564
Interest rate swap (long-term) 0 1,550
Fair Value, Recurring | Level 3    
Assets    
Money market funds (cash and cash equivalents) 0 0
Available for sale securities - Debt 0 0
Other investments (long-term) 1,380 1,014
Interest rate swap (long-term) 0 0
Total assets 1,380 1,014
Liabilities    
Total liabilities 0 0
Fair Value, Recurring | Level 3 | Interest Rate Swap    
Liabilities    
Interest rate swap (short-term) 0 0
Interest rate swap (long-term) $ 0 $ 0