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EMPLOYEE BENEFIT PLANS
 3 Months Ended
Mar. 31, 2023
Retirement Benefits [Abstract]  
EMPLOYEE BENEFIT PLANS EMPLOYEE BENEFIT PLANS
We have a defined benefit pension plan covering certain United Kingdom employees (the “U.K. Plan”). Net periodic pension credit includes the following components (in thousands):
 Three Months Ended March 31,
 20232022
(unaudited)(unaudited)
Interest cost687 $422 
Expected return on plan assets(925)$(629)
Amortization of prior service cost8 $8 
Unrecognized Net Actuarial Loss$71 $— 
Net periodic pension credit$(159)$(199)

Net pension credit is included in “Other income, net” on our condensed consolidated statement of operations. The expected long-term rate of return on invested assets is determined based on the weighted average of expected returns on asset investment categories for the U.K. Plan as follows: 6.4% overall, 9.5% for equities and 5.3% for debt securities. We expect to contribute $3.7 million to the U.K. Plan for 2023, of which $0.9 million has been contributed through March 31, 2023.