Note 9 - Cash, Cash Equivalents, Investments and Restricted Cash - Investment Maturity Classification (Details) $ in Thousands	Jun. 30, 2022 USD ($)
Due in less than 1 year, Amortized cost	$ 275,261
Due in less than 1 year, fair value	273,257
Due in 1 - 5 years, Amortized cost	202,543
Due in 1 - 5 years	195,755
Due in greater than 5 years, Amortized cost	2,320
Due in greater than 5 years	2,219
Total, Amortized cost	480,124
Total	$ 471,231

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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