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Note 14. Derivative Instruments - Textuals (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Jun. 30, 2019
Derivative [Line Items]    
Investment Owned, at Cost $ 2,000  
Fair Value, Measurements, Recurring | Warrant    
Derivative [Line Items]    
Derivative Asset, Fair Value, Gross Asset 1,500 $ 1,500
Fair Value, Measurements, Recurring | Not Designated as Hedging Instrument | Other Assets | Warrant    
Derivative [Line Items]    
Derivative Asset, Fair Value, Gross Asset $ 1,500