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Employee Benefit Plan | 12 Months Ended
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Dec. 31, 2012
Compensation and Retirement Disclosure [Abstract] |
Employee Benefit Plan | EMPLOYEE BENEFIT PLAN The Company has a 401(k) retirement savings plan in which substantially all of its employees may participate. The plan includes a provision for the Company to match a percentage of the employee’s contributions at a rate determined by the Company’s Board of Directors. In 2012, 2011 and 2010 the Company’s contributions were approximately $2,490,000, $2,253,000 and $1,970,000, respectively. The Company does not provide health care benefits to retired employees.

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