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Employee Stock Plans (Tables) | 3 Months Ended
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Mar. 31, 2024
Share-Based Payment Arrangement [Abstract] |
Schedule of Stock-Based Compensation Awards | Compensation expense for stock-based awards recognized during the three months ended March 31, 2024 and 2023 was as follows (in thousands):
| Three Months Ended March 31, |  |  |
| 2024 |  | 2023 |  |  |  |  |
Stock options | $ | — |  |  | $ | 768 |  |  |  |  |  |
Restricted stock units and awards | 1,351 |  |  | 1,259 |  |  |  |  |  |
Performance share units | 1,287 |  |  | 1,804 |  |  |  |  |  |
Total stock-based compensation expense | $ | 2,638 |  |  | $ | 3,831 |  |  |  |  |  |
Schedule of Stock Options, Restricted Stock Units and Awards, and Performance Share Units Activity | The following table presents our restricted stock units and awards activity during the three months ended March 31, 2024 (in thousands, except per share data):
|  |  | Restricted Stock Units and Awards |
|  |  |  |  | Number of Shares |  | Weighted Average Grant-Date Fair Value (1) |
Outstanding at beginning of year |  |  |  |  | 223 |  |  | $ | 41.19 |  |
Granted |  |  |  |  | 76 |  |  | $ | 65.53 |  |
Exercised or released |  |  |  |  | (102) |  |  | $ | 36.50 |  |
Expired or canceled |  |  |  |  | (3) |  |  | $ | 38.52 |  |
Outstanding at March 31, 2024 |  |  |  |  | 194 |  |  | $ | 53.14 |  |
Exercisable at March 31, 2024 |  |  |  |  |  |  |  |
(1)Represents weighted average market value of the shares; awards are granted at no cost to the recipients. The following table presents our PSUs activity during the three months ended March 31, 2024 (in thousands, except per share data):
| Performance Share Units |  | Weighted Average Grant-Date Fair Value Per Unit (1) |
Outstanding at beginning of year | 464 |  |  | $ | 33.84 |  |
Granted | 70 |  |  | $ | 66.07 |  |
Vested | (273) |  |  | $ | 27.51 |  |
Canceled | (7) |  |  | $ | 39.09 |  |
Outstanding at March 31, 2024 | 254 |  |  | $ | 49.42 |  |
(1)Represents weighted average market value of the performance share units; PSUs are granted at no cost to the recipients.

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