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Consolidated Statements of Changes in Stockholders' Equity (USD $) In Thousands | Total | Restricted Stock [Member] | Preferred Stock [Member] | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Treasury Stock [Member] | Accumulated Other Comprehensive Income (Loss) [Member]
--- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2011 | $ 135,916 |  | $ 11,250 | $ 110,056 | $ 4,715 | $ 32,695 | $ (17,354) | $ (5,446)
Net income | 8,584 |  |  |  |  | 8,584 |  |
Other comprehensive income, net of tax | 4,952 |  |  |  |  |  |  | 4,952
Dividend on series B preferred stock | (225) |  |  |  |  | (225) |  |
Issuance cost of common stock | (3) |  |  |  |  | (3) |  |
Cash dividends declared on common stock | (1,388) |  |  |  |  | (1,388) |  |
Stock issued for options exercise | 132 |  |  |  | 12 |  | 120 |
Stock-based compensation expense | 15 |  |  |  | 15 |  |  |
Balance at Jun. 30, 2012 | 147,983 |  | 11,250 | 110,056 | 4,742 | 39,663 | (17,234) | (494)
Balance at Dec. 31, 2012 | 160,691 |  | 11,250 | 110,056 | 4,801 | 46,753 | (17,232) | 5,063
Net income | 9,847 |  |  |  |  | 9,847 |  |
Other comprehensive income, net of tax | (7,287) |  |  |  |  |  |  | (7,287)
Dividend on series B preferred stock | (113) |  |  |  |  | (113) |  |
Issuance cost of common stock | (6) |  |  |  |  | (6) |  |
Cash dividends declared on common stock | (2,125) |  |  |  |  | (2,125) |  |
Issuance of restricted stock awards (18,829 shares) |  | 243 |  |  | 91 |  | 152 |
Stock issued for options exercise | 10 |  |  |  | 8 |  | 2 |
Stock-based compensation expense | 25 |  |  |  | 25 |  |  |
Balance at Jun. 30, 2013 | $ 161,285 |  | $ 11,250 | $ 110,056 | $ 4,925 | $ 54,356 | $ (17,078) | $ (2,224)

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