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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Preferred Stock | Common Stock | Additional Paid-in Capital | Retained Earnings | Treasury Stock | Accumulated Other Comprehensive Income (Loss)
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2014 | $ 351,374 | $ 15,151 | $ 20,500 | $ 215,873 | $ 141,206 | $ (35,751) | $ (5,605)
Balance at Mar. 31, 2015 |  |  |  |  |  |  | (4,591)
Balance at Dec. 31, 2014 | 351,374 | 15,151 | 20,500 | 215,873 | 141,206 | (35,751) | (5,605)
Net income | 12,133 |  |  |  | 12,133 |  |
Other comprehensive income (loss), net of tax | (593) |  |  |  |  |  | (593)
Common dividends declared - $0.26 per share in 2015 and $0.28 per share in 2016 | (4,856) |  |  |  | (4,856) |  |
Preferred dividends declared - $15.00 per share | (105) |  |  |  | (105) |  |
Preferred stock converted to common stock - 882,096 shares |  | (12,784) | 882 | 11,902 |  |  |
Redemption of preferred stock - 2,367 shares | (2,367) | $ (2,367) |  |  |  |  |
Equity-based compensation expense | 43 |  |  | 43 |  |  |
Common stock options exercised - 3,000 shares in 2015 and 11,572 shares in 2016 | 41 |  |  | (10) |  | 51 |
Restricted stock awards - 21,590 shares in 2015 and 15,020 shares in 2016 | 175 |  |  | (192) |  | 367 |
Issuance of treasury stock to 401(k) plan - 12,968 shares in 2015 and 12,140 shares in 2016 | 220 |  |  |  |  | 220 |
Purchase of treasury shares - 981,551 shares at $19.52 per share in 2015 and 981,551 shares at $19.52 per share in 2016 | (11,497) |  |  |  |  | (11,497) |
Balance at Jun. 30, 2015 | 344,568 |  | 21,382 | 227,616 | 148,378 | (46,610) | (6,198)
Balance at Mar. 31, 2015 |  |  |  |  |  |  | (4,591)
Net income | 6,175 |  |  |  |  |  |
Other comprehensive income (loss), net of tax | (1,607) |  |  |  |  |  |
Balance at Jun. 30, 2015 | 344,568 |  | 21,382 | 227,616 | 148,378 | (46,610) | (6,198)
Balance at Dec. 31, 2015 | 343,017 |  | 21,382 | 227,692 | 155,647 | (56,457) | (5,247)
Net income | 12,339 |  |  |  | 12,339 |  |
Other comprehensive income (loss), net of tax | 2,230 |  |  |  |  |  | 2,230
Common dividends declared - $0.26 per share in 2015 and $0.28 per share in 2016 | (4,956) |  |  |  | (4,956) |  |
Equity-based compensation expense | 75 |  |  | 75 |  |  |
Common stock options exercised - 3,000 shares in 2015 and 11,572 shares in 2016 | 179 |  |  | (23) |  | 202 |
Restricted stock awards - 21,590 shares in 2015 and 15,020 shares in 2016 | 284 |  |  | 24 |  | 260 |
Issuance of treasury stock to 401(k) plan - 12,968 shares in 2015 and 12,140 shares in 2016 | 235 |  |  | 23 |  | 212 |
Purchase of treasury shares - 981,551 shares at $19.52 per share in 2015 and 981,551 shares at $19.52 per share in 2016 | (19,191) |  |  |  |  | (19,191) |
Balance at Jun. 30, 2016 | 334,212 |  | 21,382 | 227,791 | 163,030 | (74,974) | (3,017)
Balance at Mar. 31, 2016 |  |  |  |  |  |  | (5,733)
Net income | 6,255 |  |  |  |  |  |
Other comprehensive income (loss), net of tax | 2,716 |  |  |  |  |  |
Balance at Jun. 30, 2016 | $ 334,212 |  | $ 21,382 | $ 227,791 | $ 163,030 | $ (74,974) | $ (3,017)

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