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Stock-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2025
Share-Based Payment Arrangement [Abstract] |
Schedule of Nonvested Common Share and Nonvested Common Share Unit Activity | The following table summarizes nonvested common share, nonvested common share unit and DEU activity for the nine months ended September 30, 2025:
|  | 2025
|  | Time and Performance- Based Share Awards |  | Time-Based Share Awards |  | Time and Performance-Based Share Units |  | Time-Based Share Units |  | DEUs
(Shares in thousands) |  | Number of Shares |  | Weighted Average Grant Date Fair Value |  | Number of Shares |  | Weighted Average Grant Date Fair Value |  | Number of Share Units |  | Weighted Average Grant Date Fair Value |  | Number of Share Units |  | Weighted Average Grant Date Fair Value |  | Dividend Equivalent Units |  | Weighted Average Grant Date Fair Value
Outstanding at beginning of year |  | 837 |  |  | $ | 16.09 |  |  | 127 |  |  | $ | 48.27 |  |  | 67 |  |  | $ | 19.15 |  |  | 763 |  |  | $ | 46.88 |  |  | 67 |  |  | $ | 51.25 |
Granted |  | 236 |  |  | 23.00 |  |  | 53 |  |  | 57.11 |  |  | 44 |  |  | 23.00 |  |  | 138 |  |  | 58.19 |  |  | 26 |  |  | 59.19 |
Vested |  | (246) |  |  | 14.83 |  |  | (67) |  |  | 47.13 |  |  | (4) |  |  | 15.35 |  |  | (232) |  |  | 44.97 |  |  | (28) |  |  | 49.18 |
Forfeited |  | (47) |  |  | 14.83 |  |  | — |  |  | — |  |  | (4) |  |  | 20.38 |  |  | (117) |  |  | 50.00 |  |  | (7) |  |  | 51.30 |
Outstanding at end of period |  | 780 |  |  | $ | 18.66 |  |  | 113 |  |  | $ | 53.07 |  |  | 103 |  |  | $ | 20.92 |  |  | 552 |  |  | $ | 49.86 |  |  | 58 |  |  | $ | 55.62 |
Schedule of Portion of Nonvested Common Shares Earned based upon Achievement of Compounded Annual Book Value per share Growth | The portion of these nonvested performance-based share awards that will be earned is as follows:
|  |  |  | Relative Total Shareholder Return vs. S&P 1500 Financial Services Index
|  |  |  | ≤25th percentile |  | 50th percentile |  | ≥75th percentile
Three-Year Book Value Per Share CAGR |  | 11% |  | 100% |  | 150% |  | 200%
| 10% |  | 75% |  | 125% |  | 175%
| 9% |  | 50% |  | 100% |  | 150%
| 7% |  | 25% |  | 75% |  | 125%
| 6% |  | 0% |  | 50% |  | 100%
Schedule of Compensation Expense, Net of Forfeitures, and Related Tax Effects Recognized in Connection with Nonvested shares | Compensation expense, net of forfeitures, and related tax effects recognized in connection with nonvested shares and share units was as follows:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
(In thousands) |  | 2025 |  | 2024 |  | 2025 |  | 2024
Compensation expense |  | $ | 3,862 |  |  | $ | 6,776 |  |  | $ | 16,804 |  |  | $ | 20,568 |
Income tax benefit |  | 734 |  |  | 1,355 |  |  | 3,303 |  |  | 4,133 |

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