Note 5 - Capital Stock (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jul. 22, 2026 |
Jun. 30, 2026 |
Mar. 31, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Treasury Stock, Shares, Acquired | 391,758 | 775,000 | ||||
| Treasury Stock, Value, Acquired, Cost Method | $ 97,768 | $ 318,782 | $ 177,831 | $ 552,911 | ||
| Share Repurchase Program, Remaining Authorized, Amount | $ 791,400 | $ 791,400 | ||||
| Common Stock, Dividends, Per Share, Declared | $ 0.45 | $ 0.45 | ||||
| Subsequent Event [Member] | ||||||
| Common Stock, Dividends, Per Share, Declared | $ 0.45 | |||||
| X | ||||||||||
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| 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 | ||||||||||
- Details
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