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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($)
$ in Thousands
Total
Common Shares Outstanding
Common Stock
Surplus
Accumulated Deficit
Accumulated Other Comprehensive Income
Non- Controlling Interest
Balance at beginning of period at Dec. 31, 2015 $ 494,639   $ 548,878 $ 82,847 $ (137,314) $ 203 $ 25
Balance (in shares) at Dec. 31, 2015   31,361,452          
Increase (Decrease) in Shareholders' Equity              
Net income 34,784       34,784    
Other comprehensive income 16,425         16,425  
Cash dividends (of $0.52 and $0.44 per share, respectively) (13,695)       (13,695)    
Net shares of common stock sold by directors' deferred compensation plan (537)   (537)        
Shares of common stock repurchased and other related costs $ (14,084)   (14,084)        
Shares of common stock repurchased and other related costs (in shares) (636,922) (636,922)          
Share-based compensation $ 1,959   599 1,360      
Share-based compensation (in shares)   206,068          
Non-controlling interest 1           1
Balance at end of period at Sep. 30, 2016 519,492   534,856 84,207 (116,225) 16,628 26
Balance (in shares) at Sep. 30, 2016   30,930,598          
Balance at beginning of period at Jun. 30, 2016           18,421  
Increase (Decrease) in Shareholders' Equity              
Net income 11,466            
Other comprehensive income (1,793)         (1,793)  
Balance at end of period at Sep. 30, 2016 519,492   534,856 84,207 (116,225) 16,628 26
Balance (in shares) at Sep. 30, 2016   30,930,598          
Balance at beginning of period at Dec. 31, 2016 $ 504,675   530,932 84,180 (108,941) (1,521) 25
Balance (in shares) at Dec. 31, 2016 30,796,243 30,796,243          
Increase (Decrease) in Shareholders' Equity              
Net income $ 36,916       36,916    
Other comprehensive income 4,737         4,737  
Cash dividends (of $0.52 and $0.44 per share, respectively) (15,888)       (15,888)    
Net shares of common stock sold by directors' deferred compensation plan (385)   (385)        
Shares of common stock repurchased and other related costs $ (21,304)   $ (21,304)        
Shares of common stock repurchased and other related costs (in shares) (697,483) (697,483) (697,483)        
Share-based compensation $ 1,120   $ 0 1,120     0
Share-based compensation (in shares)   89,988          
Non-controlling interest (1)           (1)
Balance at end of period at Sep. 30, 2017 $ 509,870   509,243 85,300 (87,913) 3,216 24
Balance (in shares) at Sep. 30, 2017 30,188,748 30,188,748          
Balance at beginning of period at Jun. 30, 2017           3,224  
Increase (Decrease) in Shareholders' Equity              
Net income $ 11,812            
Other comprehensive income (8)         (8)  
Balance at end of period at Sep. 30, 2017 $ 509,870   $ 509,243 $ 85,300 $ (87,913) $ 3,216 $ 24
Balance (in shares) at Sep. 30, 2017 30,188,748 30,188,748