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Investments - Schedule of Other Investments (Details)
$ in Thousands
Jun. 30, 2020
USD ($)
Other Investments  
Other investments, cost $ 11,334
Unrealized Loss (262)
Unrealized Gain 938
Total other investments 12,010
Certificates of Deposit  
Other Investments  
Other investments, cost 300
Unrealized Loss 0
Unrealized Gain 0
Fair value - certificates of deposit 300
Limited Partnership  
Other Investments  
Other investments, cost 9,775
Unrealized Loss (262)
Unrealized Gain 938
Fair value - partnerships 10,451
Short-term Investments  
Other Investments  
Other investments, cost 1,259
Unrealized Loss 0
Unrealized Gain 0
Fair Value - short term investments $ 1,259