Employee Benefit Plans

12 Months Ended

Dec. 31, 2018

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, 2018,  2017 and 2016 were $2.2 million, $2.1 million and $1.6 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, 2018, the plan’s assets were $4.9 million and liabilities were $6.5 million. At December 31, 2018 and 2017, net liabilities of $1.6 million and $0.6 million were included in other liabilities on the consolidated balance sheets, respectively.