Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2023

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

Net periodic benefit costs for the FPU Pension Plan for the three months ended March 31, 2023 and 2022 is set forth in the following table:

	FPU Pension Plan
For the Three Months Ended March 31,	2023		2022
(in thousands)
Interest cost	$	633	$	449
Expected return on plan assets	(668)		(857)
Amortization of net (gain) loss	110		124
Total periodic cost (benefit)	$	75	$	(284)

Amounts Included in Regulatory asset and AOCI [Table Text Block]

The following table presents the amounts included in the regulatory asset and accumulated other comprehensive income that were recognized as components of the FPU Pension Plan's net periodic benefit cost during the three months ended March 31, 2023 and 2022: 

	FPU Pension Plan
For the Three Months Ended March 31,	2023		2022
(in thousands)
Net loss	$	110	$	124
Total recognized in net periodic benefit cost	110		124
Recognized from accumulated other comprehensive (income) loss (1)	21		24
Recognized from regulatory asset	89		100
Total	$	110	$	124

(1) See Note 9, Stockholders' Equity.