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Consolidated Statements of Equity (USD $)
In Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Total
Balances at Dec. 31, 2010 $ 5,127 $ 2,400 $ 201,735 $ (9,428) $ 199,834
Net income     28,804   28,804
Other comprehensive income (loss)       (6,616) (6,616)
Issuance of treasury shares 1 144 27   172
Cash dividends     (7,430)   (7,430)
Balances at Dec. 31, 2011 5,128 2,544 223,136 (16,044) 214,764
Net income     28,203   28,203
Other comprehensive income (loss)       (238) (238)
Issuance of treasury shares 2 149 27   178
Cash dividends     (8,188)   (8,188)
Balances at Dec. 31, 2012 5,130 2,693 243,178 (16,282) 234,719
Net income     30,104   30,104
Other comprehensive income (loss)       7,821 7,821
Issuance of treasury shares 1 129 28   158
Cash dividends     (8,662)   (8,662)
Balances at Dec. 31, 2013 $ 5,131 $ 2,822 $ 264,648 $ (8,461) $ 264,140