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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($)
$ in Thousands
Voting
Common Stock
Series A Nonvoting
Common Stock
Surplus
Retained Earnings
Accumulated Other Comprehensive Income (Loss)
Treasury Stock
Total
Balance at Dec. 31, 2016 $ 3 $ 178 $ 32,288 $ 294,900 $ 989 $ (2,112) $ 326,246
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net income       56,103     56,103
Other comprehensive income (loss)         (1,364)   (1,364)
Cash dividends       (57,069)     (57,069)
Balance at Dec. 31, 2017 3 178 32,288 293,934 (375) (2,112) 323,916
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net income       63,799     63,799
Other comprehensive income (loss)         (3,791)   (3,791)
Repurchase of common stock -Series A (43,180 shares)           (907) (907)
Cash dividends       (42,621)     (42,621)
Balance at Dec. 31, 2018 3 178 32,288 315,234 (4,288) (3,019) 340,396
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Adoption of ASU 2016-01       122 (122)    
Net income       66,865     66,865
Other comprehensive income (loss)         12,120   12,120
Reclassification of undistributed S-Corp earnings     20,472 (20,472)      
Issuance of common stock, net of issuance costs 95   138,398       138,493
Conversion of common stock 178 $ (178)          
Cancelation of treasury stock (1)   (634) (2,384)   $ 3,019  
Cash dividends       (224,956)     (224,956)
Balance at Dec. 31, 2019 $ 275   $ 190,524 $ 134,287 $ 7,832   $ 332,918