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Employee Benefit Plans
12 Months Ended
Dec. 31, 2019
Employee Benefit Plans [Abstract]  
Employee Benefit Plans 19. EMPLOYEE BENEFIT PLANS

The company offers eligible employees a comprehensive employee benefits plan that includes health, dental, vision, life and accidental death, short-term disability and long-term disability insurance, and flexible spending accounts. The company also offers a 401(k) plan enabling eligible employees to save for retirement on a tax-deferred basis up to the limits allowed under the Internal Revenue Code and matches up to 4% of eligible employee contributions. Employee and employer contributions are 100% vested immediately. Employer contributions to the 401(k) plan for the years ended December 31, 2019, 2018 and 2017 were $1.6 million, $2.0 million and $2.0 million, respectively.

The company contributes to a defined benefit pension plan. Since January of 2009, the benefits under the plan were frozen; however, the company remains obligated to ensure the plan is funded according to its requirements. As of December 31, 2019, the plan’s assets were $5.5 million and liabilities were $6.7 million. At December 31, 2019 and 2018, net liabilities of $1.2 million and $1.6 million were included in other liabilities on the consolidated balance sheets, respectively.