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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, 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)
Beginning balance, net of tax at Dec. 31, 2022 745,997 47,501 784,545 239,610 (188,203) (137,456)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 26,034     26,034    
Other comprehensive income (loss) 4,144         4,144
Issuance of common stock for dividend reinvestment plan 302 10 292      
Purchase of common stock (15,945)       (15,945)  
Stock compensation expense 914   914      
Net issuance of common stock under employee stock plans 572   368 (91) 295  
Cash dividends paid on common stock (10,988)     (10,988)    
Ending balance, net of tax at Mar. 31, 2023 $ 751,030 $ 47,511 $ 786,119 $ 254,565 $ (203,853) $ (133,312)