v3.26.1
Employee Benefits (Tables)
 6 Months Ended
Jun. 30, 2026
Postemployment Benefits [Abstract]  
Schedule of Net Periodic Benefit Costs The components of net periodic pension benefit for the defined benefit plans for the three and six months ended June 30, 2026 and 2025 were as follows:
Three Months Ended June 30,Six Months Ended June 30,
(thousands of U.S. dollars)2026202520262025
Service cost$116 $125 $234 $245 
Interest cost2,306 2,393 4,633 4,701 
Expected return on plan assets(4,189)(3,996)(8,418)(7,848)
Net periodic benefit$(1,767)$(1,478)$(3,551)$(2,902)
The components of net periodic pension cost for the other benefit plans for the three and six months ended June 30, 2026 and 2025 were as follows:
Three Months Ended June 30,Six Months Ended June 30,
(thousands of U.S. dollars)2026202520262025
Service cost$1 $1 $2 $2 
Interest cost75 79 152 155 
Amortization of net actuarial gain(33)(18)(67)(36)
Net periodic benefit cost$43 $62 $87 $121