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SHARE-BASED COMPENSATION (Tables) | 9 Months Ended
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Sep. 30, 2022
Share-based Payment Arrangement [Abstract] |
Summary of Stock Option Activity | The following table is a summary of our stock option activity (in thousands, except per share data):
| Nine months ended September 30,
| 2022 |  | 2021
| Awards |  | Weighted-Average Exercise Price |  | Awards |  | Weighted-Average Exercise Price
Outstanding at beginning of period | 33 |  |  | $ | 54.98 |  |  | 61 |  |  | $ | 48.19 |
Exercised | — |  |  | — |  |  | (16) |  |  | 49.69 |
Outstanding at end of the period | 33 |  |  | $ | 54.98 |  |  | 45 |  |  | $ | 47.66 |
Exercisable at end of the period | 28 |  |  | $ | 52.76 |  |  | 35 |  |  | $ | 42.00 |
Summary of Restricted Stock Activity | The following table summarizes our restricted stock activity (in thousands, except per share data):
| Nine months ended September 30,
| 2022 |  | 2021
| Shares |  | Weighted-Average Grant Date Fair Value |  | Shares |  | Weighted-Average Grant Date Fair Value
Outstanding at beginning of period | 44 |  |  | $ | 183.51 |  |  | 50 |  |  | $ | 116.06 |
Granted | 38 |  |  | 176.60 |  |  | 21 |  |  | 266.99 |
Vested | (19) |  |  | 156.16 |  |  | (26) |  |  | 116.62 |
Forfeited | (1) |  |  | 186.53 |  |  | (3) |  |  | 166.02 |
Outstanding at end of the period | 62 |  |  | $ | 187.83 |  |  | 42 |  |  | $ | 183.04 |
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award | The total expenses during the three months ended September 30, 2022 and 2021 are as follows (in thousands):
| Three months ended September 30,
| 2022 |  | 2021
| Shares |  | Share-Based Compensation Expense |  | Shares |  | Share-Based Compensation Expense
Options and restricted stock | 90 |  |  | $ | 1,392 |  |  | 89 |  |  | $ | 1,116 |
Market and performance-based share awards granted in 2022 | 25 |  |  | 438 |  |  | — |  |  | — |
Performance-based share awards granted in 2021 | 15 |  |  | 654 |  |  | 14 |  |  | 309 |
Performance-based share awards granted in 2020 | 26 |  |  | 479 |  |  | 26 |  |  | 479 |
Performance-based share awards granted in 2019 | — |  |  | — |  |  | 16 |  |  | 365 |
Total share-based compensation | 156 |  |  | $ | 2,963 |  |  | 145 |  |  | $ | 2,269 |
The total expenses during the nine months ended September 30, 2022 and 2021 are as follows (in thousands):
| Nine months ended September 30,
| 2022 |  | 2021
| Shares |  | Share-Based Compensation Expense |  | Shares |  | Share-Based Compensation Expense
Options and restricted stock | 90 |  |  | $ | 3,789 |  |  | 89 |  |  | $ | 3,175 |
Market and performance-based share awards granted in 2022 | 25 |  |  | 950 |  |  | — |  |  | — |
Performance-based share awards granted in 2021 | 15 |  |  | 1,941 |  |  | 14 |  |  | 666 |
Performance-based share awards granted in 2020 | 26 |  |  | 1,423 |  |  | 26 |  |  | 1,329 |
Performance-based share awards granted in 2019 | — |  |  | — |  |  | 16 |  |  | 1,443 |
Total share-based compensation | 156 |  |  | $ | 8,103 |  |  | 145 |  |  | $ | 6,613 |

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