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Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock [Member] | Additional Paid-In Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Loss [Member] | Deferred Compensation [Member] | Treasury Stock [Member]
--- | --- | --- | --- | --- | --- | --- | ---
Beginning Balances, shares at Dec. 31, 2013 | [1] |  | 14,457,345 |  |  |  |  |
Beginning Balances at Dec. 31, 2013 |  | $ 278,773 | $ 4,691 | $ 152,341 | $ 124,274 | $ (2,533) | $ 1,124 | $ (1,124)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Net Income |  | 36,092 |  |  | 36,092 |  |  |
Other comprehensive loss |  | (3,143) |  |  |  | (3,143) |  |
Common Stock Dividends, Shares |  |  | 0 |  |  |  |  |
Dividends |  | (15,675) |  |  | (15,675) |  |  |
Stock Issued During The Period Shares Retirement Savings Plan And Dividend Reinvestment Plan |  |  | 43,367 |  |  |  |  |
Stock Issued During The Period Value Retirement Savings Plan And Dividend Reinvestment Plan |  | 1,860 | $ 16 | 1,844 |  |  |  |
Conversion of debentures, shares | [1] |  | 47,313 |  |  |  |  |
Stock Issued During Period, Value, Conversion of Convertible Securities |  | 535 | $ 15 | 520 |  |  |  |
Share-based compensation, shares | [1],[2],[3] |  | 40,686 |  |  |  |  |
Share-based compensation and tax benefit | [2],[3] | 1,889 | $ 13 | 1,876 |  |  |  |
Stock Split in Form of Stock Dividend Adjustment to Retained Earnings |  | (9) | $ 2,365 |  | (2,374) |  |  |
Treasury stock activities |  | 0 |  |  |  |  | 134 | (134)
Ending Balances, shares at Dec. 31, 2014 | [1] |  | 14,588,711 |  |  |  |  |
Ending Balances at Dec. 31, 2014 |  | 300,322 | $ 7,100 | 156,581 | 142,317 | (5,676) | 1,258 | (1,258)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Net Income |  | 27,403 |  |  | 27,403 |  |  |
Other comprehensive loss |  | 197 |  |  |  | 197 |  |
Common Stock Dividends, Shares |  |  | 0 |  |  |  |  |
Dividends |  | (8,387) |  |  | (8,387) |  |  |
Stock Issued During Period, Shares, Dividend Reinvestment Plan |  |  | 15,583 |  |  |  |  |
Stock Issued During Period, Value, Dividend Reinvestment Plan |  | 772 | $ 8 | 764 |  |  |  |
Stock Issued During Period, Shares, Acquisitions |  |  | 592,970 |  |  |  |  |
Stock Issued During Period, Value, Acquisitions |  | 30,165 | $ 289 | 29,876 |  |  |  |
Share-based compensation, shares | [1],[2],[3] |  | 45,703 |  |  |  |  |
Share-based compensation and tax benefit | [2],[3] | 704 | $ 22 | 682 |  |  |  |
Treasury stock activities |  | 0 |  |  |  |  | 585 | (585)
Ending Balances, shares at Jun. 30, 2015 | [1] |  | 15,242,967 |  |  |  |  |
Ending Balances at Jun. 30, 2015 |  | $ 351,176 |  | $ 187,903 | $ 161,333 | $ (5,479) | $ 1,843 | $ (1,843)
[1] | Includes 69,884 and 57,382 shares at June 30, 2015 and December 31, 2014, respectively, held in a Rabbi Trust related to our Deferred Compensation Plan.
[2] | Includes amounts for shares issued for Directors’ compensation.
[3] | The shares issued under the SICP are net of shares withheld for employee taxes. For the six months ended June 30, 2015, and for the year ended December 31, 2014, we withheld 12,620 and 12,687 shares, respectively, for taxes.

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