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Share-Based Compensation - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Jan. 19, 2021 | Jun. 18, 2013
Stock Based Compensation [Line Items] |  |  |  |  |
Total assets | $ 7,940,485 | $ 7,872,518 |  |  |
Total compensation expense |  | 13 | $ 68 |  |
Tax benefit associated with compensation expense | 0 | 3 | 14 |  |
Total compensation cost | 3,600 | 2,500 | 1,800 |  |
Exercise of stock options | 0 | 145 | 1,062 |  |
Unrecognized compensation cost | $ 4,500 |  |  |  |
Weighted-average period cost over which cost is expected to be recognized | 11 months |  |  |  |
Performance Based Share Awards | Minimum |  |  |  |  |
Stock Based Compensation [Line Items] |  |  |  |  |
Total assets | $ 1,000,000 |  |  | $ 5,000,000 |
Performance Based Share Awards | Maximum |  |  |  |  |
Stock Based Compensation [Line Items] |  |  |  |  |
Total assets | 5,000,000 |  |  | $ 10,000,000 |
Restricted and Performance Shares |  |  |  |  |
Stock Based Compensation [Line Items] |  |  |  |  |
Total compensation expense | 0 | 13 | 68 |  |
Tax benefit associated with compensation expense | 753 | 517 | 368 |  |
Total compensation cost | 3,600 | 2,500 | 1,800 |  |
Exercise of stock options | 0 | 145 | 1,100 |  |
Actual tax benefit realized for the tax deductions | $ 58 | $ 126 | $ 334 |  |
Option Activity Under the 2013 Plan |  |  |  |  |
Stock Based Compensation [Line Items] |  |  |  |  |
Maximum common issued under the plan (in shares) |  |  |  |  | 1,556,325
Number of shares available incentive stock options (in shares) |  |  |  |  | 225,000
Non-option awards granted (in shares) |  |  |  |  | 900,000
Granted (in shares) | 0 | 0 | 0 |  |
Option Activity Under the 2021 Plan |  |  |  |  |
Stock Based Compensation [Line Items] |  |  |  |  |
Maximum common issued under the plan (in shares) |  |  |  | 1,787,548 |

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