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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $)
In Thousands, unless otherwise specified
Total
Common Stock
Surplus
Accumulated Deficit
Accumulated Other Comprehensive Income (Loss)
Non-Controlling Interests
Balance at Dec. 31, 2011 $ 466,420 $ 784,539 $ 66,585 $ (396,848) $ 2,164 $ 9,980
Increase (Decrease) in Shareholders' Equity            
Net income 24,290     24,290    
Other comprehensive loss (1,538)       (1,538)  
1782 and 4291 net shares of common stock purchased by directors' deferred compensation plan, for the six months ended June 30, 2013 and 2012, respectively (27) (27)        
Share-based compensation 1,348   1,348      
Non-controlling interests (11)         (11)
Balance at Jun. 30, 2012 490,482 784,512 67,933 (372,558) 626 9,969
Balance at Dec. 31, 2012 514,779 784,512 70,567 (349,427) (830) 9,957
Increase (Decrease) in Shareholders' Equity            
Net income 151,576     151,576    
Other comprehensive loss (15,930)       (15,930)  
1782 and 4291 net shares of common stock purchased by directors' deferred compensation plan, for the six months ended June 30, 2013 and 2012, respectively (39) (39)        
Share-based compensation 1,606   1,606      
Non-controlling interests (11)         (11)
Balance at Jun. 30, 2013 $ 651,981 $ 784,473 $ 72,173 $ (197,851) $ (16,760) $ 9,946