Note 7 - Investments (Details Textual) $ in Millions |
Jun. 30, 2026
USD ($)
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|---|---|
| Debt Securities, Available-for-Sale, Unrealized Loss Position | $ 19.8 |
| Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions | 3 |
| X | ||||||||||
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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