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Employee Benefit Plan	12 Months Ended
Employee Benefit Plan	Dec. 31, 2017
Retirement Benefits [Abstract]
Employee Benefit Plan	EMPLOYEE BENEFIT PLAN The Company has a retirement savings plan under Section 401(k) of the Internal Revenue Code under which eligible employees can contribute up to 60% of their annual salary, subject to a statutory prescribed annual limit. For the years ended December 31, 2017, 2016 and 2015, the Company made matching contributions to the plan of $2,212, $1,944 and $1,680, respectively, based on 100% of the first 3% and up to 50% of the next 2% of an employee’s compensation.