XML 71 R6.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Consolidated Statements of Stockholders' Equity (USD $)
In Thousands
Common stock [Member]
Additional paid-in capital [Member]
Retained earnings [Member]
Accumulated other comprehensive income (loss) [Member]
Treasury stock [Member]
Comprehensive income [Member]
Total
Beginning of year at Dec. 31, 2009 $ 191,646 $ 231,933 $ 1,138,978 $ (12,460) $ (547,722)    
Dividend reinvestment plan (shares: 47,488 - 2011; 53,272 - 2010) 107 733          
Stock purchase and compensation plans (shares: 577,745 - 2011; 218,525 - 2010) 437 6,675          
Net income     24,569     24,569 24,569
Dividends to stockholders ($0.26 per share - 2011 and 2010)     (14,160)        
Non-credit portion of other-than-temporary impairment losses recognized in other comprehensive income, net of deferred income tax       3,830     3,830
Other net unrealized gains on investment securities, net of deferred income tax       25,044      
Total unrealized gains on investment securities       28,874   28,874 28,874
Defined benefit pension plans, net of deferred income tax       1,412   1,412 1,412
Comprehensive income           54,855 54,855
Acquisition of treasury stock (shares: 136,904 - 2011; 97,816 - 2010)         (1,518)    
End of period at Jun. 30, 2010 192,190 239,341 1,149,387 17,826 (549,240)   1,049,504
Beginning of year at Dec. 31, 2010 192,725 244,613 1,176,155 7,024 (549,408)   1,071,109
Dividend reinvestment plan (shares: 47,488 - 2011; 53,272 - 2010) 95 716          
Stock purchase and compensation plans (shares: 577,745 - 2011; 218,525 - 2010) 1,156 6,860          
Net income     23,874     23,874 23,874
Dividends to stockholders ($0.26 per share - 2011 and 2010)     (14,370)        
Non-credit portion of other-than-temporary impairment losses recognized in other comprehensive income, net of deferred income tax       389     389
Other net unrealized gains on investment securities, net of deferred income tax       12,246      
Total unrealized gains on investment securities       12,635   12,635 12,635
Defined benefit pension plans, net of deferred income tax       1,485   1,485 1,485
Comprehensive income           37,994 37,994
Acquisition of treasury stock (shares: 136,904 - 2011; 97,816 - 2010)         (2,526)    
End of period at Jun. 30, 2011 $ 193,976 $ 252,189 $ 1,185,659 $ 21,144 $ (551,934)   $ 1,101,034