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Defined Contribution Plans	12 Months Ended
Defined Contribution Plans	Dec. 31, 2016
Compensation and Retirement Disclosure [Abstract]
Defined Contribution Plans	Defined Contribution Plans The Company sponsors defined contribution plans covering employees who meet certain eligibility requirements. The Company makes contributions to the plans in accordance with terms specified in the plan agreement. The Company's contributions to the plans were $1,857, $1,157 and $776 in 2016, 2015 and 2014, respectively.