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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, 2014 |  |  |  |  | $ 17,340 | $ 144 | $ 72,955 | $ 203,312 | $ (9,011) | $ (5,208) | $ 279,532
Comprehensive income: |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  | 21,702 |  |  | 21,702
Other comprehensive income, net of tax |  |  |  |  |  |  |  |  | 2,959 |  | 2,959
Purchases of common stock for treasury |  |  |  |  |  |  |  |  |  | (41) | (41)
Share-based compensation plans: |  |  |  |  |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  | 520 |  |  |  | 520
Stock options exercised |  |  |  |  |  |  | 1 |  |  | 251 | 252
Restricted stock awards issued, net |  |  |  |  |  |  | (1,060) |  |  | 1,060 |
Stock awards |  |  |  |  |  |  | 11 |  |  | 43 | 54
Cash dividends declared: |  |  |  |  |  |  |  |  |  |  |
Preferred stock dividends per share | $ (3) | $ (3) | $ (1,094) | $ (1,094) |  |  |  |  |  |  |
Common stock dividends per share |  |  |  |  |  |  |  | (8,447) |  |  | (8,447)
Balance at Sep. 30, 2015 |  |  |  |  | 17,340 | 144 | 72,427 | 215,470 | (6,052) | (3,895) | 295,434
Balance at Dec. 31, 2015 |  |  |  |  | 17,340 | 144 | 72,690 | 218,920 | (11,327) | (3,923) | 293,844
Comprehensive income: |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  | 23,238 |  |  | 23,238
Other comprehensive income, net of tax |  |  |  |  |  |  |  |  | 9,366 |  | 9,366
Common stock issued |  |  |  |  |  | 3 | 8,097 |  |  |  | 8,100
Share-based compensation plans: |  |  |  |  |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  | 597 |  |  |  | 597
Stock options exercised |  |  |  |  |  |  | 20 |  |  | 794 | 814
Restricted stock awards issued, net |  |  |  |  |  |  | 24 |  |  | (24) |
Excess tax benefit on share-based compensation |  |  |  |  |  |  | 10 |  |  |  | 10
Stock awards |  |  |  |  |  |  | 21 |  |  | 43 | 64
Cash dividends declared: |  |  |  |  |  |  |  |  |  |  |
Preferred stock dividends per share | $ (3) | $ (3) | $ (1,094) | $ (1,094) |  |  |  |  |  |  |
Common stock dividends per share |  |  |  |  |  |  |  | (8,665) |  |  | (8,665)
Balance at Sep. 30, 2016 |  |  |  |  | $ 17,340 | $ 147 | $ 81,459 | $ 232,396 | $ (1,961) | $ (3,110) | $ 326,271

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