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Consolidated Statements of Shareholders' Equity (USD $)
In Thousands, except Share data
Total
USD ($)
Preferred Stock [Member]
USD ($)
Preferred Stock Discount [Member]
USD ($)
Common Stock [Member]
USD ($)
Common Stock Warrants [Member]
USD ($)
Retained Earnings [Member]
USD ($)
Accumulated Other Comprehensive Income (Loss) [Member]
USD ($)
Common Stock Shares [Member]
Balances at Dec. 31, 2009 $ 342,383 $ 65,000 $ (3,789) $ 98,099 $ 4,592 $ 182,908 $ (4,427)  
Shares at Dec. 31, 2009               16,722,000
Net income 8,379         8,379    
Common stock issued under stock option plans 171     171        
Common stock issued under stock option plans (in shares)               17,000
Common stock issued into dividend reinvestment plan 226     226        
Common stock issued into dividend reinvestment plan (in shares)               15,000
Cash dividends declared (2,682)         (2,682)    
Preferred dividends (1,625)         (1,625)    
Accretion of preferred stock discount 0   428     (428)    
Tax benefit realized from exercise of nonqualified stock options 36     36        
Stock-based compensation 441     441        
Stock-based compensation (in shares)               16,000
Other comprehensive income 1,409           1,409  
Balances at Jun. 30, 2010 348,738 65,000 (3,361) 98,973 4,592 186,552 (3,018)  
Shares at Jun. 30, 2010 16,770,119             16,770,000
Balances at Dec. 31, 2010 344,603 65,000 (2,932) 99,615 4,592 183,413 (5,085)  
Shares at Dec. 31, 2010 16,801,426             16,801,000
Net income 10,101         10,101    
Common stock issued under stock option plans 30     30        
Common stock issued under stock option plans (in shares)               2,000
Common stock issued into dividend reinvestment plan 421     421        
Common stock issued into dividend reinvestment plan (in shares)               30,000
Cash dividends declared (2,694)         (2,694)    
Preferred dividends (1,625)         (1,625)    
Accretion of preferred stock discount 0   458     (458)    
Tax benefit realized from exercise of nonqualified stock options 0              
Stock-based compensation 483     483        
Stock-based compensation (in shares)               29,000
Other comprehensive income 979           979  
Balances at Jun. 30, 2011 $ 352,298 $ 65,000 $ (2,474) $ 100,549 $ 4,592 $ 188,737 $ (4,106)  
Shares at Jun. 30, 2011 16,862,536             16,862,000