Note 12. Derivative Instruments - Textuals (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Jun. 30, 2018
Derivative [Line Items]
Investment in privately held company	$ 2,000
Derivative Asset, Fair Value, Gross Asset	1,500	$ 1,500
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	$ 1,500