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Stock Compensation (Tables) | 12 Months Ended
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Dec. 31, 2024
Share-Based Payment Arrangement [Abstract] |
Schedule of Shares Available for Grant | We are currently authorized to grant and have available for grant the following number of shares under our stock plans as of December 31, 2024:
|  | Authorized Shares |  | Available for Grant
Plan |  |  | 2024 |  | 2023
1996 Discounted Employee Stock Purchase Plan, as amended |  | 2,900,000 |  |  | 709,000 |  |  | 826,000 |
2020 Equity and Cash Incentive Plan |  | 7,145,000 |  |  | 2,033,000 |  |  | 3,281,000 |
Total |  | 10,045,000 |  |  | 2,742,000 |  |  | 4,107,000 |
Schedule of Stock Grant Activity for RSAs | A summary of the RSA activity for the year ended December 31, 2024 is presented below:
RSAs |  | Shares |  | Weighted Average Grant Date Fair Value
Unvested at December 31, 2023 |  | 156,000 |  |  | $ | 20.11 |
Granted |  | 50,000 |  |  | 23.85 |
Vested |  | (156,000) |  |  | 20.11 |
Forfeited |  | — |  |  | — |
Unvested at December 31, 2024 |  | 50,000 |  |  | $ | 23.85 |
Schedule of Stock Grant Activity for RSUs | A summary of the RSU activity for the year ended December 31, 2024 is presented below:
RSUs |  | Units |  | Weighted Average Grant Date Fair Value |  |
Unvested at December 31, 2023 |  | 879,000 |  |  | $ | 14.75 |  |  |
Granted |  | 500,000 |  |  | 20.55 |  |
Vested |  | (178,000) |  |  | 17.67 |  |
Forfeited |  | (30,000) |  |  | 17.31 |  |
Unvested at December 31, 2024 |  | 1,171,000 |  |  | $ | 16.72 |  |  |
Schedule of Stock Grant Activity for PSUs | A summary of the PSU activity for the year ended December 31, 2024 is presented below:
PSUs |  | Units |  | Weighted Average Grant Date Fair Value |  |
Unvested at December 31, 2023 |  | 266,000 |  |  | $ | 16.94 |  |  |
Granted |  | 341,000 |  |  | 19.79 |  |
Vested |  | (285,000) |  |  | 18.67 |  |
Forfeited |  | (3,000) |  |  | 13.39 |  |
Unvested at December 31, 2024 |  | 319,000 |  |  | $ | 18.48 |  |  |
Schedule of Stock Option Activity | A summary of stock option activity for the year ended December 31, 2024 is presented below:
|  | Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term in years |  | Aggregate Intrinsic Value
Outstanding at December 31, 2023 |  | 1,878,000 |  |  | $ | 18.16 |  |  |  |  |
Granted |  | — |  |  | — |  |  |  |  |
Exercised |  | (232,000) |  |  | 17.15 |  |  |  |  |
Forfeited |  | — |  |  | — |  |  |  |  |
Expired |  | (19,000) |  |  | 28.27 |  |  |  |  |
Outstanding at December 31, 2024 |  | 1,627,000 |  |  | $ | 18.19 |  |  | 3.6 |  | $ | 17,048,000 |
Vested and expected to vest |  | 1,627,000 |  |  | $ | 18.19 |  |  | 3.6 |  | $ | 17,048,000 |
Exercisable at December 31, 2024 |  | 1,242,000 |  |  | $ | 19.44 |  |  | 3.3 |  | $ | 11,490,000 |
Schedule of Weighted-Average Assumptions Used to Determine the Fair Value of Options | The following weighted-average assumptions were used to determine the fair value of options:
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
| Stock Options |  | ESPP Options |  | Stock Options |  | ESPP Options |  | Stock Options |  | ESPP Options
Expected life of options | N/A |  | 0.5 Years |  | 5.0 Years |  | 0.5 Years |  | 5.0 Years |  | 0.5 Years
Expected stock price volatility | N/A |  | 43% |  | 45% |  | 57% |  | 40% |  | 40%
Risk-free interest rate | N/A |  | 5.30% |  | 4.11% |  | 5.03% |  | 3.58% |  | 1.34%
Schedule of Total Stock Compensation Expenses | The following table summarizes stock compensation expense and the associated income tax benefits recognized (in thousands):
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
RSA, RSU, and PSU expense | $ | 12,543 |  |  | $ | 11,875 |  |  | $ | 10,351 |
Stock option and ESPP option expense | 2,425 |  |  | 3,271 |  |  | 2,591 |
Total stock compensation expense | $ | 14,968 |  |  | $ | 15,146 |  |  | $ | 12,942 |

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