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Employee Benefit Plans | 12 Months Ended
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Dec. 31, 2020
Compensation And Retirement Disclosure [Abstract] |
Employee Benefit Plans | 11. Employee Benefit Plans The 401(k) retirement plan is a defined contribution plan that provides for matching contributions by the Company to all non-union employees. Matching contributions are discretionary and subject to change by management. Under the provisions of the 401(k) plan, employees can contribute up to the maximum percentage and limits allowable under the U.S. Revenue Code. The Company provided contributions totaling $0.3 million, $0.2 million and $0.3 million for the years ended December 31, 2020, 2019 and 2018, respectively.

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