Intangible Assets Including Goodwill - Carrying Value of Other Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Jun. 30, 2022
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 15,627		$ 15,627		$ 19,889
Accumulated Amortization	(11,696)		(11,696)		(15,093)
Net Carrying Amount	3,931		3,931		4,796
Total intangible assets, net carrying amount	3,931		3,931		4,796
Gross Amount Of Fully Amortized Intangible Assets			4,200
Amortization of Intangible Assets	400	$ 400	900	$ 1,000
Intellectual Property [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	2,483		2,483		2,558
Accumulated Amortization	(2,286)		(2,286)		(2,276)
Net Carrying Amount	197		$ 197		282
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	13,144		$ 13,144		17,331
Accumulated Amortization	(9,410)		(9,410)		(12,817)
Net Carrying Amount	$ 3,734		$ 3,734		$ 4,514
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