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Retirement Savings Plan	3 Months Ended
Retirement Savings Plan	Mar. 31, 2014
Postemployment Benefits [Abstract]
RETIREMENT SAVINGS PLAN	RETIREMENT SAVINGS PLAN The Company maintains a retirement savings plan (which qualifies under Section 401(k) of the U.S. Internal Revenue Code) covering all eligible U.S. employees. Under the plan, employees may elect to contribute up to 75% of base salary, subject to ERISA limitations. The Company maintains a Safe Harbor Match and is required to make matching contributions equal to 100% of the employee’s contribution up to 4% of each employee’s salary. In addition, the Company provides a noncontributory defined contribution based on a percentage of each eligible employee's salary. Total plan expenses recognized for the three months ended March 31, 2014 and 2013 were $1.4 million and $1.3 million, respectively.