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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common stock
Additional paid-in capital
Retained earnings
Accumulated other comprehensive income (loss), net of taxes
Treasury stock, at cost
Beginning balance at Dec. 31, 2014   $ 64 $ 422,232 $ 1,065,318 $ 284,601 $ (435,752)
Options exercised, 2016, 94,225 shares; 2015, 74,233 shares   0        
Conversion of common stock units, 2016, 8,538 shares; 2015, 8,293 shares   0        
Conversion of restricted stock units, 2016, 171,042 shares; 2015, 182,888 shares   1        
Options exercised and conversion of common stock units and restricted stock units     11,674      
Share-based compensation expense     3,931      
Net income $ 50,458     50,458    
Cash dividends, 2016, $0.53 per share; 2015, $0.50 per share       (21,371)    
Change in net unrealized gains and losses on fixed maturities and equity securities (73,768) [1],[2]       (73,768)  
Change in net funded status of pension obligations 0 [1]       0  
Acquisition of shares, 2016, 701,410 shares; 2015, 23,500 shares           (716)
Ending balance at Jun. 30, 2015 1,306,672 65 437,837 1,094,405 210,833 (436,468)
Beginning balance at Dec. 31, 2015 1,264,661 65 442,648 1,116,277 163,373 (457,702)
Options exercised, 2016, 94,225 shares; 2015, 74,233 shares   0        
Conversion of common stock units, 2016, 8,538 shares; 2015, 8,293 shares   0        
Conversion of restricted stock units, 2016, 171,042 shares; 2015, 182,888 shares   0        
Options exercised and conversion of common stock units and restricted stock units     939      
Share-based compensation expense     3,917      
Net income 37,019     37,019    
Cash dividends, 2016, $0.53 per share; 2015, $0.50 per share       (22,174)    
Change in net unrealized gains and losses on fixed maturities and equity securities 154,486 [1],[3]       154,486  
Change in net funded status of pension obligations 0 [1]       0  
Acquisition of shares, 2016, 701,410 shares; 2015, 23,500 shares           (21,513)
Ending balance at Jun. 30, 2016 $ 1,417,335 $ 65 $ 447,504 $ 1,131,122 $ 317,859 $ (479,215)
[1] All amounts are net of tax.
[2] The pretax amounts reclassified from accumulated other comprehensive income (loss), $1,786 and $7,620, are included in net realized investment gains and losses and the related tax expenses, $625 and $2,667, are included in income tax expense in the Consolidated Statements of Operations for the three and six months ended June 30, 2015, respectively.
[3] The pretax amounts reclassified from accumulated other comprehensive income (loss), $4,327 and $5,067, are included in net realized investment gains and losses and the related tax expenses, $1,514 and $1,773, are included in income tax expense in the Consolidated Statements of Operations for the three and six months ended June 30, 2016, respectively.