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Note 7 - Financial Instruments - Investments - Trading (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Investments-trading	$ 122,979	$ 181,328
Residential Mortgage Loans [Member]
Debt securities	1,542	3,113
Residential Mortgage-Backed Securities [Member]
Debt securities	7	9
US Government Agencies Debt Securities [Member]
Debt securities	10,678	6,567
Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member]
Debt securities	42,547	88,000
US Treasury Securities [Member]
Debt securities	255	1,012
Certificates of Deposit [Member]
Investments-trading	216	0
Corporate Bonds and Redeemable Preferred Stock [Member]
Investments-trading	48,197	53,657
Derivative [Member]
Investments-trading	1,438	7,470
Equity Securities [Member]
Investments-trading	930	928
Municipal Bonds [Member]
Investments-trading	$ 17,169	$ 20,572

X

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
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