Note 12 - Purchases of Equity Securities (Details Textual) - $ / shares |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Jun. 30, 2026 |
Sep. 30, 2026 |
Jul. 31, 2018 |
|
| Treasury Stock, Shares, Acquired (in shares) | 0 | |||
| Share Repurchase Program [Member] | ||||
| Share Repurchase Program, Authorized, Number of Shares (in shares) | 2,000,000 | |||
| Treasury Stock, Shares, Acquired (in shares) | 160,000 | 182,000 | ||
| Shares Acquired, Average Cost Per Share (in dollars per share) | $ 29.18 | $ 29.26 | ||
| Share Repurchase Program, Remaining Authorized, Number of Shares (in shares) | 867,000 | 867,000 | ||
| X | ||||||||||
- Definition Number of shares authorized to be purchased 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 remaining authorized to be purchased 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 Total cost of shares repurchased divided by the total number of shares repurchased. No definition available.
|
| 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 | ||||||||||
- Details
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