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Consolidated Statements of Changes in Stockholders Equity (Unaudited) - USD ($)
$ in Thousands
Total
Common stock
Retained earnings
Accumulated other comprehensive income
Beginning Balance at Dec. 31, 2015 $ 950,493 $ 311,720 $ 638,367 $ 406
Comprehensive income:        
Net income 20,124 0 20,124 0
Other comprehensive income, net of tax 4,195 0 0 4,195
Common stock transactions:        
Common shares purchased and retired 998,135 and 789,743 in 2016 and 2015, respectively (25,309) (25,309) 0 0
Non-vested common shares issued 189,624 and 169,577 in 2016 and 2015 respectively 0 0 0 0
25,984 and 3,484 non-vested common shares forfeited in 2016 and 2015 respectively 0 0 0 0
270,183 and 158,828 stock options exercised, net of 94,902 and 58,996 shares tendered in payment of option price and income tax withholding amounts in 2016 and 2015 respectively 996 996 0 0
Tax benefit of stock-based compensation 420 420 0 0
Stock-based compensation expense 955 955 0 0
Cash dividends declared:        
Common ($0.66 per share) in 2016 and ($0.60 per share) in 2015 (9,860) 0 (9,860) 0
Ending Balance at Mar. 31, 2016 942,014 288,782 648,631 4,601
Beginning Balance at Dec. 31, 2016 982,593 296,071 694,650 (8,128)
Comprehensive income:        
Net income 23,126 0 23,126 0
Other comprehensive income, net of tax 5,535 0 0 5,535
Common stock transactions:        
Common shares purchased and retired 998,135 and 789,743 in 2016 and 2015, respectively (859) (859) 0 0
Stock Issued During Period, 16,085 and 21,414 in 2016 and 2015, respectively 0 0 0 0
Non-vested common shares issued 189,624 and 169,577 in 2016 and 2015 respectively 0 0 0 0
25,984 and 3,484 non-vested common shares forfeited in 2016 and 2015 respectively 0 0 0 0
270,183 and 158,828 stock options exercised, net of 94,902 and 58,996 shares tendered in payment of option price and income tax withholding amounts in 2016 and 2015 respectively 1,084 1,084 0 0
Stock-based compensation expense 877 877 0 0
Cash dividends declared:        
Common ($0.66 per share) in 2016 and ($0.60 per share) in 2015 (10,760) 0 (10,760) 0
Ending Balance at Mar. 31, 2017 $ 1,001,596 $ 297,173 $ 707,016 $ (2,593)