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Investments in Unconsolidated Affiliates (Details)
$ in Thousands
Mar. 31, 2020
USD ($)
Investments in Unconsolidated Affiliates  
Difference between carrying amount and equity in net assets $ 735
Intellect Polaris Design LLC  
Investments in Unconsolidated Affiliates  
Subsidiaries ownership percentage that is directly or indirectly owned or controlled 50.00%