Intangible Assets Including Goodwill - Carrying Value of Other Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Jun. 30, 2021
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 19,757		$ 19,757		$ 19,837
Accumulated Amortization	(14,097)		(14,097)		(13,223)
Net Carrying Amount	5,660		5,660		6,614
Total intangible assets, net carrying amount	5,660		5,660		6,614
Amortization of Intangible Assets	400	$ 500	1,000	$ 1,100
Intellectual Property [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	2,483		2,483		2,483
Accumulated Amortization	(2,116)		(2,116)		(2,031)
Net Carrying Amount	367		$ 367		452
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	17,274		$ 17,274		17,354
Accumulated Amortization	(11,981)		(11,981)		(11,192)
Net Carrying Amount	$ 5,293		$ 5,293		$ 6,162
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