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Share-Based Compensation - Additional Information (Details) $ in Thousands |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Jan. 19, 2021 USD ($) shares | Jun. 15, 2018 | Dec. 31, 2024 USD ($) shares | Dec. 31, 2023 USD ($) shares | Dec. 31, 2022 USD ($) shares | Jun. 18, 2013 shares
Schedule Of Stock Based Compensation [Line Items] |  |  |  |  |  |
Unrecognized compensation cost |  |  | $ 2,000 |  |  |
Total assets |  |  | 7,801,146 | $ 7,940,485 |  |
Total intrinsic value of stock options exercised |  |  | 418 | 355 | $ 726 |
Total fair value of shares vested |  |  | 2,000 | 1,800 | 1,900 |
Compensation expense |  |  | 4,600 | 3,600 | 2,500 |
Exercise of stock options |  |  | $ 0 | 0 | 145 |
Weighted-average period cost over which cost is expected to be recognized |  |  | 11 months |  |  |
Stock options |  |  |  |  |  |
Schedule Of Stock Based Compensation [Line Items] |  |  |  |  |  |
Compensation expense |  |  |  |  | 13 |
Tax benefit associated with compensation expense |  |  |  |  | 3 |
Restricted and Performance Shares |  |  |  |  |  |
Schedule Of Stock Based Compensation [Line Items] |  |  |  |  |  |
Tax benefit associated with compensation expense |  |  | $ 963 | 753 | 517 |
Exercise of stock options |  |  |  |  | 145 |
Actual tax benefit realized for the tax deductions |  |  | 72 | $ 58 | $ 126 |
Minimum | Performance Based Share Awards |  |  |  |  |  |
Schedule Of Stock Based Compensation [Line Items] |  |  |  |  |  |
Total assets | $ 5,000,000 |  | 1,000,000 |  |  |
Maximum | Performance Based Share Awards |  |  |  |  |  |
Schedule Of Stock Based Compensation [Line Items] |  |  |  |  |  |
Total assets | $ 10,000,000 |  | $ 5,000,000 |  |  |
Option Activity Under the 2013 Plan |  |  |  |  |  |
Schedule Of Stock Based Compensation [Line Items] |  |  |  |  |  |
Maximum common issued under the plan (in shares) | shares |  |  |  |  |  | 1,556,325
Number of shares available incentive stock options (in shares) | shares |  |  |  |  |  | 225,000
Non-option awards granted (in shares) | shares |  |  |  |  |  | 900,000
Stock split |  | 1.5 |  |  |  |
Granted (in shares) | shares |  |  | 0 | 0 | 0 |
Option Activity Under the 2021 Plan |  |  |  |  |  |
Schedule Of Stock Based Compensation [Line Items] |  |  |  |  |  |
Maximum common issued under the plan (in shares) | shares | 1,787,548 |  |  |  |  |
Vesting period | 3 years |  |  |  |  |

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