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v3.21.1

Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands | Total | Cumulative Effect, Period of Adoption, Adjustment [Member] | Preferred Stock [Member] | Common Stock | Capital Surplus [Member] | Retained Earnings [Member] | Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment [Member] | Treasury Stock [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Deferred Benefits for Directors [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2019 | $ 2,593,921 | $ (26,591) |  | $ 141,827 | $ 1,636,966 | $ 824,694 | $ (26,591) | $ (9,463) | $ 1,201 | $ (1,304)
Beginning Balance, shares at Dec. 31, 2019 |  |  |  | 67,824,428 |  |  |  |  |  |
Net income | 23,396 |  |  |  |  | 23,396 |  |  |  |
Other comprehensive income (loss) | 39,940 |  |  |  |  |  |  |  | 39,940 |
Comprehensive income | 63,336 |  |  |  |  |  |  |  |  |
Common dividends declared | $ (21,435) |  |  |  |  | (21,435) |  |  |  |
Accounting Standards Update [Extensible List] | ASU 2016-13 [Member] |  |  |  |  |  |  |  |  |
Treasury shares acquired | $ (24,972) |  |  |  |  |  |  | (24,972) |  |
Treasury shares acquired, shares |  |  |  | (786,012) |  |  |  |  |  |
Stock options exercised | 445 |  |  |  | (276) |  |  | 721 |  |
Stock options exercised, shares |  |  |  | 19,739 |  |  |  |  |  |
Stock compensation expense | 1,370 |  |  |  | 1,370 |  |  |  |  |
Deferred benefits for directors- net | (14) |  |  |  | 62 |  |  |  |  | (76)
Ending Balance at Mar. 31, 2020 | 2,586,060 |  |  | $ 141,827 | 1,638,122 | 800,064 |  | (33,714) | 41,141 | (1,380)
Ending Balance, shares at Mar. 31, 2020 |  |  |  | 67,058,155 |  |  |  |  |  |
Beginning Balance at Dec. 31, 2020 | 2,756,737 |  | $ 144,484 | $ 141,834 | 1,634,815 | 831,688 |  | (25,949) | 31,359 | (1,494)
Beginning Balance, shares at Dec. 31, 2020 |  |  |  | 67,254,706 |  |  |  |  |  |
Net income | 73,115 |  |  |  |  | 73,115 |  |  |  |
Other comprehensive income (loss) | (21,556) |  |  |  |  |  |  |  | (21,556) |
Comprehensive income | 51,559 |  |  |  |  |  |  |  |  |
Common dividends declared | (22,095) |  |  |  |  | (22,095) |  |  |  |
Preferred dividends declared ($16.875 per share) | (2,531) |  |  |  |  | (2,531) |  |  |  |
Stock issued for dividend reinvestment |  |  |  |  |  | (391) |  | 391 |  |
Stock issued for dividend reinvestment, shares |  |  |  | 11,720 |  |  |  |  |  |
Treasury shares acquired |  |  |  |  | 183 |  |  | (183) |  |
Treasury shares acquired, shares |  |  |  | (5,135) |  |  |  |  |  |
Stock options exercised | 569 |  |  |  | (183) |  |  | 752 |  |
Stock options exercised, shares |  |  |  | 20,843 |  |  |  |  |  |
Stock compensation expense | 1,288 |  |  |  | 1,288 |  |  |  |  |
Deferred benefits for directors- net | (5) |  |  |  |  |  |  |  |  | (5)
Ending Balance at Mar. 31, 2021 | $ 2,785,522 |  | $ 144,484 | $ 141,834 | $ 1,636,103 | $ 879,786 |  | $ (24,989) | $ 9,803 | $ (1,499)
Ending Balance, shares at Mar. 31, 2021 |  |  |  | 67,282,134 |  |  |  |  |  |

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