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v3.22.0.1

Consolidated Statements Of Changes In Shareholders' Equity - USD ($) $ in Thousands | Total | Cumulative Effect, Period of Adoption, Adjustment | Cumulative Effect, Period of Adoption, Adjusted Balance | Common Stock [Member] | Common Stock [Member] Cumulative Effect, Period of Adoption, Adjusted Balance | Capital Surplus[Member] | Capital Surplus[Member] Cumulative Effect, Period of Adoption, Adjusted Balance | Retained Earnings [Member] | Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment | Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjusted Balance | Treasury Stock, Common [Member] | Treasury Stock, Common [Member] Cumulative Effect, Period of Adoption, Adjusted Balance | Accumulated Other Comprehensive Income (Loss) [Member] | Accumulated Other Comprehensive Income (Loss) [Member] Cumulative Effect, Period of Adoption, Adjusted Balance
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2018 | $ 600,764 |  |  | $ 47,619 |  | $ 169,555 |  | $ 485,967 |  |  | $ (87,895) |  | $ (14,482) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Income Available to Common Shareholders | 89,352 |  |  |  |  |  |  | 89,352 |  |  |  |  |  |
Other comprehensive income | 20,322 |  |  |  |  |  |  |  |  |  |  |  | 20,322 |
Cash dividends declared | (36,066) |  |  |  |  |  |  | (36,066) |  |  |  |  |  |
Stock-based compensation expense, net | 2,516 |  |  |  |  | 2,516 |  |  |  |  |  |  |  |
Restricted Awards Granted | $ 0 |  |  |  |  | (1,657) |  |  |  |  | 1,657 |  |  |
Exercise of stock options | 11,721 |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise of stock options | $ 526 |  |  |  |  | (105) |  |  |  |  | 631 |  |  |
Purchase of treasury shares | (19,431) |  |  |  |  |  |  |  |  |  | (19,431) |  |  |
Ending balance at Dec. 31, 2019 | 657,983 | $ (2,335) | $ 655,648 | 47,619 | $ 47,619 | 170,309 | $ 170,309 | 539,253 | $ (2,335) | $ 536,918 | (105,038) | $ (105,038) | 5,840 | $ 5,840
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Income Available to Common Shareholders | 89,595 |  |  |  |  |  |  | 89,595 |  |  |  |  |  |
Other comprehensive income | 25,393 |  |  |  |  |  |  |  |  |  |  |  | 25,393 |
Cash dividends declared | (36,525) |  |  |  |  |  |  | (36,525) |  |  |  |  |  |
Stock-based compensation expense, net | 3,253 |  |  |  |  | 3,253 |  |  |  |  |  |  |  |
Restricted Awards Granted | $ 0 |  |  |  |  | (2,146) |  |  |  |  | 2,146 |  |  |
Exercise of stock options | 4,921 |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise of stock options | $ 223 |  |  |  |  | (112) |  |  |  |  | 335 |  |  |
Purchase of treasury shares | (36,481) |  |  |  |  |  |  |  |  |  | (36,481) |  |  |
Ending balance at Dec. 31, 2020 | $ 701,106 |  |  | 47,619 |  | 171,304 |  | 589,988 |  |  | (139,038) |  | 31,233 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounting Standards Update [Extensible List] | Accounting Standards Update 2016-13 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Net Income Available to Common Shareholders | $ 88,080 |  |  |  |  |  |  | 88,080 |  |  |  |  |  |
Other comprehensive income | (16,973) |  |  |  |  |  |  |  |  |  |  |  | (16,973) |
Cash dividends declared | (36,242) |  |  |  |  |  |  | (36,242) |  |  |  |  |  |
Stock-based compensation expense, net | 3,121 |  |  |  |  | 3,121 |  |  |  |  |  |  |  |
Restricted Awards Granted | $ 0 |  |  |  |  | (1,860) |  |  |  |  | 1,860 |  |  |
Exercise of stock options | 14,603 |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise of stock options | $ 691 |  |  |  |  | (1,623) |  |  |  |  | 2,314 |  |  |
Purchase of treasury shares | (58,678) |  |  |  |  |  |  |  |  |  | (58,678) |  |  |
Ending balance at Dec. 31, 2021 | $ 681,105 |  |  | $ 47,619 |  | $ 170,942 |  | $ 641,826 |  |  | $ (193,542) |  | $ 14,260 |

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