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Stock Option and Purchase Plans (Details 2) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Compensation expense information based on the fair value of stock options | |||
| Stock Compensation Expense | $ 1,351 | $ 1,061 | $ 884 |
| Tax Benefit | (136) | (93) | (84) |
| Stock Compensation Expense, Net of Tax | $ 1,215 | $ 968 | $ 800 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. No definition available.
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| X | ||||||||||
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- Definition
The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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