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Fair Value - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Jun. 30, 2021
Assets    
Total available for sale securities $ 2,903 $ 10,150
Fair Value, Recurring    
Assets    
Money market funds (cash and cash equivalents) 7,597 340
Total available for sale securities 2,903 10,150
Other investments (long-term) 2,184 1,980
Total assets 12,684 12,470
Liabilities    
Total liabilities 1,791 3,114
Fair Value, Recurring | Government - U.S. treasury securities    
Assets    
Total available for sale securities 2,903 10,150
Fair Value, Recurring | Interest Rate Swap    
Liabilities    
Interest rate swap (short-term) 1,255 1,564
Interest rate swap (long-term) 536 1,550
Fair Value, Recurring | Level 1    
Assets    
Money market funds (cash and cash equivalents) 7,597 340
Total available for sale securities 0 0
Other investments (long-term) 0 0
Total assets 7,597 340
Liabilities    
Total liabilities 0 0
Fair Value, Recurring | Level 1 | Government - U.S. treasury securities    
Assets    
Total available for sale securities 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
Total available for sale securities 2,903 10,150
Other investments (long-term) 939 966
Total assets 3,842 11,116
Liabilities    
Total liabilities 1,791 3,114
Fair Value, Recurring | Level 2 | Government - U.S. treasury securities    
Assets    
Total available for sale securities 2,903 10,150
Fair Value, Recurring | Level 2 | Interest Rate Swap    
Liabilities    
Interest rate swap (short-term) 1,255 1,564
Interest rate swap (long-term) 536 1,550
Fair Value, Recurring | Level 3    
Assets    
Money market funds (cash and cash equivalents) 0 0
Total available for sale securities 0 0
Other investments (long-term) 1,245 1,014
Total assets 1,245 1,014
Liabilities    
Total liabilities 0 0
Fair Value, Recurring | Level 3 | Government - U.S. treasury securities    
Assets    
Total available for sale securities 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