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Employee Benefit Plans	12 Months Ended
Employee Benefit Plans	Dec. 31, 2019
Compensation Related Costs [Abstract]
Employee Benefit Plans	Employee Benefit Plans We have defined contribution retirement plan under Section 401(k) of the Internal Revenue Code for our U.S. employees which covers substantially all U.S. employees who meet minimum age and service requirements and allows participants to defer a portion of their annual compensation on a pre-tax basis. We match 50% of our employee’s salary deferral contributions up to a 6% of the employee’s eligible compensation. We contributed approximately $6.2 million, $5.2 million and $4.3 million to the 401(k) plan during the year ended December 31, 2019, 2018 and 2017, respectively.