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Employee Benefit Plans
9 Months Ended
Sep. 30, 2020
Retirement Benefits [Abstract]  
Employee Benefit Plans Employee Benefit Plans
Supplemental Executive Retirement Plan
Kforce maintains a Supplemental Executive Retirement Plan (“SERP”), which benefits two executives. The SERP is a non-qualified benefit plan and does not include elective deferrals of covered executive officers’ compensation.
The following table presents the components of net periodic benefit cost (in thousands):
Three Months Ended September 30,Nine Months Ended September 30,
2020201920202019
Service cost$87 $65 $259 $195 
Interest cost124 151 373 453 
Net periodic benefit cost$211 $216 $632 $648 
The service cost is recorded in SG&A and the interest cost is recorded in Other expense, net in the accompanying Unaudited Condensed Consolidated Statements of Operations and Comprehensive Income.
The projected benefit obligation as of September 30, 2020 and December 31, 2019 was $18.7 million and $18.1 million, respectively, and is recorded in Other long-term liabilities in the accompanying Unaudited Condensed Consolidated Balance Sheets. There is no requirement for Kforce to fund the SERP and, as a result, no contributions were made to the SERP during the nine months ended September 30, 2020. Kforce does not currently anticipate funding the SERP during the year ended December 31, 2020.