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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (USD $) In Thousands, except Share data | Total | Common Stock | Additional Paid-In Capital | Retained Earnings | Accumulated Other Comprehensive Loss | Deferred Compensation | Treasury Stock
--- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2010 |  | $ 226,239 | $ 4,635 | $ 148,159 | $ 76,805 | $ (3,360) | $ 777 | $ (777)
Beginning balance, shares at Dec. 31, 2010 | [1] |  | 9,524,195 |  |  |  |  |
Net Income |  | 27,622 |  |  | 27,622 |  |  |
Other comprehensive income (loss) |  | (1,167) |  |  |  | (1,167) |  |
Dividend Reinvestment Plan |  | (22) |  | (22) |  |  |  |
Retirement Savings Plan, shares | [1] |  | 2,002 |  |  |  |  |
Retirement Savings Plan |  | 80 | 1 | 79 |  |  |  |
Conversion of debentures, shares | [1] |  | 10,680 |  |  |  |  |
Conversion of debentures |  | 181 | 5 | 176 |  |  |  |
Share-based compensation, shares | [1],[2],[3] |  | 30,430 |  |  |  |  |
Share-based compensation | [2],[3] | 1,013 | 15 | 998 |  |  |  |
Tax benefit on share-based compensation |  | 13 |  | 13 |  |  |  |
Deferred Compensation Plan |  |  |  |  |  |  | 40 | (40)
Purchase of treasury stock, shares | [1] |  | (993) |  |  |  |  |
Purchase of treasury stock |  | (40) |  |  |  |  |  | (40)
Sale and distribution of treasury stock, shares | [1] |  | 993 |  |  |  |  |
Sale and distribution of treasury stock |  | 40 |  |  |  |  |  | 40
Dividends on share-based compensation |  | (129) |  |  | (129) |  |  |
Cash dividends | [4] | (13,050) |  |  | (13,050) |  |  |
Ending balance at Dec. 31, 2011 |  | 240,780 | 4,656 | 149,403 | 91,248 | (4,527) | 817 | (817)
Ending balance, shares at Dec. 31, 2011 | [1] |  | 9,567,307 |  |  |  |  |
Net Income |  | 15,787 |  |  | 15,787 |  |  |
Other comprehensive income (loss) |  | 133 |  |  |  | 133 |  |
Dividend Reinvestment Plan |  | (4) |  | (4) |  |  |  |
Conversion of debentures, shares | [1] |  | 5,341 |  |  |  |  |
Conversion of debentures |  | 91 | 3 | 88 |  |  |  |
Share-based compensation, shares | [1],[2],[3] |  | 19,217 |  |  |  |  |
Share-based compensation | [2],[3] | 430 | 9 | 421 |  |  |  |
Deferred Compensation Plan |  |  |  |  |  |  | 141 | (141)
Purchase of treasury stock, shares | [1] |  | (502) |  |  |  |  |
Purchase of treasury stock |  | (21) |  |  |  |  |  | (21)
Sale and distribution of treasury stock, shares | [1] |  | 502 |  |  |  |  |
Sale and distribution of treasury stock |  | 21 |  |  |  |  |  | 21
Dividends on share-based compensation |  | (5) |  |  | (5) |  |  |
Cash dividends | [4] | (6,805) |  |  | (6,805) |  |  |
Ending balance at Jun. 30, 2012 |  | $ 250,407 | $ 4,668 | $ 149,908 | $ 100,225 | $ (4,394) | $ 958 | $ (958)
Ending balance, shares at Jun. 30, 2012 | [1] |  | 9,591,865 |  |  |  |  |
[1] | Includes 32903 and 30,597 shares at June 30, 2012 and December 31, 2011, respectively, held in a Rabbi Trust established by the Company relating to the Deferred Compensation Plan.
[2] | The shares issued under the Performance Incentive Plan ("PIP") are net of shares withheld for employee taxes. For six months ended June 30, 2012 and for the year ended December 31, 2011, the Company withheld 5,670 and 12,324 shares, respectively, for taxes.
[3] | Includes amounts for shares issued for Directors' compensation.
[4] | Cash dividends per share for the periods ended June 30, 2012 and December 31, 2011 were $0.710 and $1.365 respectively.

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