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Note 7 - Employee and Director Benefits (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2024
Notes Tables |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  |  |  |  |  |  |  |  |  | Weighted |  |  |  |  |
|  |  |  |  |  | Weighted |  |  | Average |  |  |  |  |
|  |  |  |  |  | Average |  |  | Remaining |  |  |  |  |
|  |  |  |  |  | Exercise |  |  | Contractual |  |  | Aggregate |
|  | Shares |  |  | Price |  |  | Term (years) |  |  | Intrinsic Value |
|  |  |  |  |  |  |  |  |  |  |  |  |  | (In Thousands) |
Three Months Ended March 31, 2024: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding January 1, 2024 |  |  | 165,800 |  |  | $ | 24.35 |  |  |  | 2.9 |  |  | $ | 7,211 |
Exercised |  |  | (8,300 | ) |  |  | 15.74 |  |  |  | 0.9 |  |  |  | 420 |
Outstanding March 31, 2024 |  |  | 157,500 |  |  | $ | 24.80 |  |  |  | 2.7 |  |  | $ | 6,744 |
Exercisable March 31, 2024 |  |  | 140,000 |  |  | $ | 22.63 |  |  |  | 2.1 |  |  | $ | 6,122 |
Three Months Ended March 31, 2023: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding January 1, 2023 |  |  | 280,000 |  |  | $ | 19.43 |  |  |  | 3.0 |  |  | $ | 14,088 |
Exercised |  |  | (75,000 | ) |  |  | 10.80 |  |  |  | 0.9 |  |  |  | 3,288 |
Outstanding March 31, 2023 |  |  | 205,000 |  |  | $ | 22.59 |  |  |  | 3.4 |  |  | $ | 7,428 |
Exercisable March 31, 2023 |  |  | 152,000 |  |  | $ | 17.28 |  |  |  | 2.2 |  |  | $ | 5,859 |
Share-Based Payment Arrangement, Outstanding Award, Activity, Excluding Option [Table Text Block] |
|  | Restricted Stock |  |  | Performance Shares |
|  | Shares |  |  | Weighted Average Grant Date Fair Value |  |  | Shares |  |  | Weighted Average Grant Date Fair Value |
Three Months Ended March 31, 2024: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-vested at January 1, 2024 |  |  | 158,298 |  |  | $ | 58.08 |  |  |  | 31,944 |  |  | $ | 58.25 |
Granted |  |  | 21,835 |  |  |  | 67.12 |  |  |  | 8,894 |  |  |  | 67.90 |
Additional performance share attainment |  |  | - |  |  |  | - |  |  |  | 6,216 |  |  |  | 68.18 |
Vested |  |  | (25,107 | ) |  |  | 48.19 |  |  |  | (18,653 | ) |  |  | 37.05 |
Forfeited |  |  | (576 | ) |  |  | 71.43 |  |  |  | - |  |  |  | - |
Non-vested at March 31, 2024 |  |  | 154,450 |  |  | $ | 60.92 |  |  |  | 28,401 |  |  | $ | 77.37 |
Three Months Ended March 31, 2023: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-vested at January 1, 2023 |  |  | 141,580 |  |  | $ | 56.39 |  |  |  | 23,852 |  |  | $ | 54.16 |
Granted |  |  | 27,258 |  |  |  | 69.83 |  |  |  | 8,091 |  |  |  | 70.29 |
Vested |  |  | (17,521 | ) |  |  | 48.32 |  |  |  | - |  |  |  | - |
Forfeited |  |  | (6,545 | ) |  |  | 69.90 |  |  |  | - |  |  |  | - |
Non-vested at March 31, 2023 |  |  | 144,772 |  |  | $ | 59.29 |  |  |  | 31,943 |  |  | $ | 58.25 |

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