Note 16 - Subsequent Events (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | |||
|---|---|---|---|---|
Aug. 11, 2026 |
Jul. 01, 2026 |
Jun. 30, 2026 |
Mar. 31, 2026 |
|
| Treasury Stock, Value, Acquired, Cost Method | $ 5,757 | $ 4,808 | ||
| Subsequent Event [Member] | ||||
| Treasury Stock, Shares, Acquired (in shares) | 88,231 | |||
| Treasury Stock, Value, Acquired, Cost Method | $ 1,300 | |||
| Subsequent Event [Member] | Sky Harbour Group Corporation [Member] | Common Stock [Member] | ||||
| Investment Owned, Shares Sold (in shares) | 360,000 | |||
| Investment Owned, Shares Sold, Value | $ 3,600 | |||
| Investment Owned, Balance, Shares (in shares) | 10,979,994 | |||
| Subsequent Event [Member] | Sky Harbour Group Corporation [Member] | Warrant [Member] | ||||
| Investment Owned, Balance, Shares (in shares) | 7,719,779 | |||
| X | ||||||||||
- Definition The number of shares sold of investment. No definition available.
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| X | ||||||||||
- Definition The value of shares sold. No definition available.
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| X | ||||||||||
- Definition Number of shares of investment owned. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
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