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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 Income (Loss) [Member]
Treasury Stock [Member]
Total
Balance at Dec. 31, 2013         $ 17,342 $ 142 $ 67,574 $ 186,137 $ (10,187) $ (6,169) $ 254,839
Comprehensive income:                      
Net income               14,251     14,251
Other comprehensive income, net of tax                 6,467   6,467
Purchases of common stock for treasury                   (195) (195)
Repurchase of Series B-1 8.48% preferred stock         (2)           (2)
Share-based compensation plans:                      
Share-based compensation             305       305
Stock options exercised             (1)     133 132
Restricted stock awards issued, net             (655)     655  
Cash dividends declared:                      
Preferred stock dividends per share $ (2) $ (2) $ (729) $ (729)             (731)
Common stock dividends per share               (5,239)     (5,239)
Balance at Jun. 30, 2014         17,340 142 67,223 194,418 (3,720) (5,576) 269,827
Balance at Dec. 31, 2014         17,340 144 72,955 203,312 (9,011) (5,208) 279,532
Comprehensive income:                      
Net income               13,386     13,386
Other comprehensive income, net of tax                 (2,671)   (2,671)
Purchases of common stock for treasury                   (41) (41)
Share-based compensation plans:                      
Share-based compensation             370       370
Stock options exercised             2     163 165
Restricted stock awards issued, net             (1,060)     1,060  
Excess tax benefit on share-based compensation             1       1
Stock awards             11     43 54
Cash dividends declared:                      
Preferred stock dividends per share $ (2) $ (2) $ (729) $ (729)             (731)
Common stock dividends per share               (5,630)     (5,630)
Balance at Jun. 30, 2015         $ 17,340 $ 144 $ 72,279 $ 210,337 $ (11,682) $ (3,983) $ 284,435