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Employee Benefit Plans (Tables)
9 Months Ended
Sep. 30, 2022
Retirement Benefits [Abstract]  
Schedule of net periodic benefit cost
The net periodic benefit cost was as follows (in thousands):
Three Months Ended
September 30,
Nine Months Ended
September 30,
2022202120222021
Service cost$2,376 $1,975 $7,336 $5,927 
Interest cost61 23 187 68 
Expected return on plan assets(1,008)(15)(3,114)(45)
Amortization of prior service cost193 54 580 162 
Amortization of actuarial losses89 288 266 864 
Net periodic benefit cost$1,711 $2,325 $5,255 $6,976