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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (UNAUDITED) - USD ($)
$ in Thousands
Total
Common Stock
Paid In Capital
Retained Earnings
Treasury Stock
Accumulated Other Comprehensive Income (Loss)
Beginning balance, net of tax at Dec. 31, 2020 $ 875,297 $ 47,419 $ 771,511 $ 111,208 $ (123,921) $ 69,080
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 34,091     34,091    
Other comprehensive income (loss) (29,494)         (29,494)
Issuance of common stock for dividend reinvestment plan 332 11 321      
Purchase of common stock (15,213)       (15,213)  
Stock compensation expense 674   674      
Net issuance of common stock under employee stock plans 3,386   2,309 (41) 1,118  
Cash dividends paid on common stock (10,476)     (10,476)    
Ending balance, net of tax at Mar. 31, 2021 858,597 47,430 774,815 134,782 (138,016) 39,586
Beginning balance, net of tax at Dec. 31, 2021 912,172 47,461 780,501 179,813 (155,308) 59,705
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 24,996     24,996    
Other comprehensive income (loss) (139,976)         (139,976)
Issuance of common stock for dividend reinvestment plan 322 10 312      
Purchase of common stock (3,358)       (3,358)  
Stock compensation expense 819   819      
Net issuance of common stock under employee stock plans 269   182 (67) 154  
Cash dividends paid on common stock (11,003)     (11,003)    
Ending balance, net of tax at Mar. 31, 2022 $ 784,241 $ 47,471 $ 781,814 $ 193,739 $ (158,512) $ (80,271)