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Consolidated Statements of Changes in Shareholders' Equity (unaudited) - USD ($)
$ in Thousands
Total
Cumulative Effect, Period of Adoption, Adjustment
Cumulative Effect, Period of Adoption, Adjusted Balance
Common Stock
Common Stock
Cumulative Effect, Period of Adoption, Adjusted Balance
Capital Surplus
Capital Surplus
Cumulative Effect, Period of Adoption, Adjusted Balance
Retained Earnings
Retained Earnings
Cumulative Effect, Period of Adoption, Adjustment
Retained Earnings
Cumulative Effect, Period of Adoption, Adjusted Balance
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss)
Cumulative Effect, Period of Adoption, Adjusted Balance
Beginning balance at Dec. 31, 2019 $ 2,852,453 $ (31,150) $ 2,821,303 $ 169,616 $ 169,616 $ 1,944,445 $ 1,944,445 $ 682,185 $ (31,150) $ 651,035 $ 56,207 $ 56,207
Increase (Decrease) in Stockholders' Equity [Roll Forward]                        
Net income 22,640             22,640        
Other comprehensive income (loss) 81,950                   81,950  
Dividends - common stock (23,535)             (23,535)        
Common stock issued 151     9   142            
Common stock repurchased (81,822)     (5,076)   (76,746)            
Share-based compensation expense 2,748         2,748            
Stock activity under incentive compensation plans 0     560   (329)   (231)        
Ending balance at Mar. 31, 2020 2,823,435     165,109   1,870,260   649,909     138,157  
Beginning balance at Dec. 31, 2020 2,972,656     165,367   1,875,626   783,892     147,771  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                        
Net income 86,818             86,818        
Other comprehensive income (loss) (55,862)                   (55,862)  
Dividends - common stock (23,195)             (23,195)        
Common stock issued 139     9   130            
Common stock repurchased (2,856)     (160)   (2,696)            
Share-based compensation expense 1,747         1,747            
Stock activity under incentive compensation plans 0     460   (235)   (225)        
Ending balance at Mar. 31, 2021 $ 2,979,447     $ 165,676   $ 1,874,572   $ 847,290     $ 91,909