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Condensed Consolidated Statement of Shareholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified | Total | Preferred Shares [Member] | Common Shares [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Treasury Shares [Member]
--- | --- | --- | --- | --- | --- | ---
Stockholders' Equity, Beginning Balance at Dec. 31, 2011 | $ 273,350 | $ 96,325 | $ 221 | $ 139,943 | $ 103,701 | $ (66,840)
Shares Outstanding, Beginning Balance at Dec. 31, 2011 |  | 4,000 | 18,736,357 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 8,332 |  |  |  | 8,332 |
Stock Issued During Period, Shares, New Issues |  |  | 2,530,000 |  |  |
Proceeds from Issuance of Common Stock | 42,085 |  | 25 | 42,060 |  |
Stock options exercised, shares |  |  | 137,174 |  |  |
Stock options exercised | 1,215 |  |  | (1,510) |  | 2,725
Stock-based compensation expense | 1,398 |  |  | 1,398 |  |
Deferral of executive and director compensation | 112 |  |  | 112 |  |
Executive and director deferred compensation distributions shares |  |  | 34,196 |  |  |
Executive and director deferred compensation distributions | 0 |  |  | (679) |  | 679
Stockholders' Equity, Ending Balance at Sep. 30, 2012 | $ 326,492 | $ 96,325 | $ 246 | $ 181,324 | $ 112,033 | $ (63,436)
Shares Outstanding, Ending Balance at Sep. 30, 2012 |  | 4,000 | 21,437,727 |  |  |

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