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Employee Pension Plans
 9 Months Ended
Sep. 30, 2020
Retirement Benefits [Abstract]  
Employee Pension Plans Employee Pension PlansThe Company has a defined benefit pension plan and an unfunded supplemental retirement plan. Effective June 1, 2004, all benefit accruals under these plans were frozen; however, the current vested benefit was preserved. The pension disclosure presented below includes aggregated amounts for both of the Company’s plans.
The following table sets forth a summary of the net periodic benefit cost for the three and nine months ended September 30, 2020 and 2019:
Three Months Ended September 30,Nine Months Ended September 30,
(in thousands)2020201920202019
Interest cost$758 $948 $2,273 $2,844 
Expected return on plan assets(1,006)(1,043)(3,017)(3,129)
Amortization of net loss592 463 1,775 1,389 
Other231 225 694 675 
Net periodic benefit cost$575 $593 $1,725 $1,779 
The Company contributed $3.2 million and $3.3 million to its defined benefit pension plan during each of the nine-month periods ended September 30, 2020 and 2019, respectively, and expects to contribute an additional $0.9 million by the end of 2020.