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Employee Benefit Plans (Tables)
3 Months Ended
Mar. 31, 2024
Retirement Benefits [Abstract]  
Schedule of Net Benefit Costs [Table Text Block]
Net periodic (benefit) cost for the FPU Pension Plan for the three months ended March 31, 2024 and 2023 is set forth in the following table:
Three Months Ended
March 31,
20242023
(in thousands)  
Interest cost$599 $633 
Expected return on plan assets(724)(668)
Amortization of net loss69 110 
Total periodic (benefit) cost$(56)$75 
Amounts Included in Regulatory asset and AOCI [Table Text Block] the three months ended March 31, 2024 and 2023.