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Stock-based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2025
Share-Based Payment Arrangement [Abstract] |
Stock Option Activity | Stock option activity from January 1, 2025 to March 31, 2025 follows:
| Underlying Shares |  | Weighted Average Exercise Price Per Share
Outstanding at January 1, 2025 | 1,794,005 |  | $ | 22.26 |
Exercised | — |  | $ | — |
Expired | — |  | $ | — |
Outstanding at March 31, 2025 | 1,794,005 |  | $ | 22.26 |
Exercisable at March 31, 2025 | 1,794,005 |  | $ | 22.26 |
Restricted Stock Unit Activity | Restricted stock unit activity from January 1, 2025 to March 31, 2025 follows:
| Time Based |  | Performance Based |  | Weighted Average Grant Date Fair Value Per Share
Non-vested restricted stock units outstanding at January 1, 2025 | 5,427,657 |  | 452,514 |  | $ | 11.34 |
Granted | 220,335 |  | — |  | $ | 8.26 |
Vested | (970,539) |  | — |  | $ | 9.79 |
Forfeited | (33,991) |  | — |  | $ | 10.77 |
Non-vested restricted stock units outstanding at March 31, 2025 | 4,643,462 |  | 452,514 |  | $ | 11.51 |
Performance Units | The total target number of shares granted with respect to the Performance Units for the awards granted in 2021-2024 is set forth below:
| 2024 Performance Unit Awards |  | 2023 Performance Unit Awards |  | 2022 Performance Unit Awards |  | 2021 Performance Unit Awards
Target number of shares | 875,100 |  | 631,700 |  | 414,000 |  | 843,000
Fair Value of Performance Units | The fair value of the Performance Units is set forth below (in thousands):
| 2024 Performance Unit Awards |  | 2023 Performance Unit Awards |  | 2022 Performance Unit Awards |  | 2021 Performance Unit Awards
Aggregate fair value at date of grant | $ | 10,904 |  |  | $ | 8,440 |  |  | $ | 10,743 |  |  | $ | 7,225 |
Compensation Expense Associated with Performance Units | Compensation expense associated with the Performance Units is set forth below (in thousands):
| 2024 Performance Unit Awards |  | 2023 Performance Unit Awards |  | 2022 Performance Unit Awards |  | 2021 Performance Unit Awards
Three months ended March 31, 2025 | $ | 899 |  |  | $ | 654 |  |  | $ | 850 |  |  | NA
Three months ended March 31, 2024 | NA |  | $ | 663 |  |  | $ | 862 |  |  | $ | 584 |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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