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Consolidated Statements Of Changes In Shareholders' Equity - USD ($)
$ in Thousands
Series A 3% Preferred Stock [Member]
Retained Earnings [Member]
Series A 3% Preferred Stock [Member]
Series B-1 8.48% Preferred Stock [Member]
Retained Earnings [Member]
Series B-1 8.48% Preferred Stock [Member]
Preferred Equity [Member]
Common Stock [Member]
Additional Paid-In Capital [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Loss [Member]
Treasury Stock [Member]
Total
Balance at Dec. 31, 2015         $ 17,340 $ 144 $ 72,690 $ 218,920 $ (11,327) $ (3,923) $ 293,844
Comprehensive income:                      
Net income               7,618     7,618
Other comprehensive income, net of tax                 7,222   7,222
Common stock issued           3 8,097       8,100
Share-based compensation plans:                      
Share-based compensation             129       129
Stock options exercised             2     286 288
Restricted stock awards forfeited             92     (92)  
Cash dividends declared:                      
Preferred stock dividends per share $ (1) $ (1) $ (364) $ (364)              
Common stock dividends per share               (2,883)     (2,883)
Balance at Mar. 31, 2016         17,340 147 81,010 223,290 (4,105) (3,729) 313,953
Cumulative-effect adjustment             (279) 279      
Balance at Dec. 31, 2016         17,340 147 81,755 237,687 (13,951) (2,924) 320,054
Adjusted Balance at Dec. 31, 2016         17,340 147 81,476 237,966 (13,951) (2,924) 320,054
Comprehensive income:                      
Net income               7,943     7,943
Other comprehensive income, net of tax                 765   765
Purchases of common stock for treasury                   (148) (148)
Share-based compensation plans:                      
Share-based compensation             239       239
Stock options exercised             4     239 243
Restricted stock awards forfeited             182     (182)  
Cash dividends declared:                      
Preferred stock dividends per share $ (1) $ (1) $ (364) $ (364)              
Common stock dividends per share               (3,043)     (3,043)
Balance at Mar. 31, 2017         $ 17,340 $ 147 $ 81,901 $ 242,501 $ (13,186) $ (3,015) $ 325,688