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Defined Contribution Plan	12 Months Ended
Defined Contribution Plan	Dec. 31, 2019
Retirement Benefits [Abstract]
Defined Contribution Plan	DEFINED CONTRIBUTION PLAN We have a retirement savings plan available for all our U.S. employees who have met minimum length-of-service requirements. Our contributions are determined based upon amounts contributed by the employees with additional contributions made at the discretion of the Board of Directors. Costs related to this plan were $262, $231 and $285 in 2019, 2018 and 2017, respectively.