Intangible Assets Including Goodwill - Carrying Value of Other Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Jun. 30, 2020
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 19,726			$ 19,726		$ 24,419
Accumulated Amortization	(11,983)			(11,983)		(15,582)
Net Carrying Amount	7,743			7,743		8,837
Total intangible assets, net carrying amount	7,743			7,743		8,837
Amortization of Intangible Assets	500		$ 900	1,100	$ 1,900
Intellectual Property [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	2,483			2,483		2,579
Accumulated Amortization	(1,946)			(1,946)		(1,956)
Net Carrying Amount	537			$ 537		623
Intellectual Property [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life		10 years		10 years
Intellectual Property [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life		15 years		15 years
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	17,243			$ 17,243		21,840
Accumulated Amortization	(10,037)			(10,037)		(13,626)
Net Carrying Amount	$ 7,206			$ 7,206		$ 8,214
Customer Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life		6 years		6 years
Customer Relationships [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life		15 years		15 years