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v3.24.1

Summary of changes in outstanding options (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Outstanding options, shares | 63,440 |  |  |
Outstanding options, weighted average exercise price | $ 39.99 |  |  |
Outstanding remaining term | 3 years 6 months 1 day |  |  |
Share-Based Payment Arrangement, Option [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Outstanding options, shares | 63,440 | 88,295 | 104,755 | 120,089
Outstanding options, weighted average exercise price | $ 39.99 | $ 40.33 | $ 37.93 | $ 35.33
Outstanding remaining term | 3 years 6 months | 4 years 4 months 24 days | 4 years 9 months 17 days | 5 years 3 months 18 days
Options outstanding, weighted average fair value | $ 981 | $ 1,271 | $ 1,416 | $ 1,531
Shares exercised | (24,855) | (16,460) | (15,334) |
Exercises, weighted average exercise price | $ 41.21 | $ 25.07 | $ 17.54 |
Exercised, weighted average fair value | $ (290) | $ (145) | $ (115) |
Options exercisable, shares | 63,440 |  |  |
Exercisable, weighted average exercise price | $ 39.99 |  |  |
Exercisable remaining term | 3 years 6 months |  |  |
Exercisable, weighted average fair value | $ 981 |  |  |
Options vested, shares | 3,990 |  |  |
Vested, weighted average fair value | $ 65 |  |  |

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