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Stockholders' Equity - Stock Options - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Employee Stock Option
Stockholders Equity Note [Line Items]
Stock-based compensation expense	$ 0.6	$ 1.1	$ 1.4	$ 1.7
Restricted Stock Awards and Stock Options
Stockholders Equity Note [Line Items]
Total unrecognized compensation cost	1.8		1.8
GECC Common Shares
Stockholders Equity Note [Line Items]
Stock issued during period, value			0.4
Stock issued during period value vested immediately			$ 0.1
Number of years issued shares vest annually on pro-rata basis			3 years
GECC Common Shares | Employees
Stockholders Equity Note [Line Items]
Stock-based compensation expense	$ 0.1		$ 0.2

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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