Fair Value Disclosure - Long-term Investments (Details) - Auction rate security - USD ($) $ in Thousands	Dec. 31, 2021	Jun. 30, 2021
Debt Securities, Available-for-sale, Fair Value to Amortized Cost [Abstract]
Cost Basis	$ 1,750	$ 1,750
Gross Unrealized Holding Gains	0	0
Gross Unrealized Holding Losses	(194)	(194)
Fair Value	$ 1,556	$ 1,556

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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- Definition

Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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