Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2023

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

Net periodic benefit costs for the FPU Pension Plan for the three and six months ended June 30, 2023 and 2022 is set forth in the following table:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
FPU Pension Plan	2023		2022		2023		2022
(in thousands)
Interest cost	$	633	$	449	$	1,266	$	898
Expected return on plan assets	(668)		(857)		(1,336)		(1,714)
Amortization of net (gain) loss	110		124		220		248
Total periodic cost (benefit)	$	75	$	(284)	$	150	$	(568)

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 (loss) that were recognized as components of the FPU Pension Plan's net periodic benefit cost during the three and six months ended June 30, 2023 and 2022: 

	Three Months Ended				Six Months Ended
	June 30,				June 30,
FPU Pension Plan	2023		2022		2023		2022
(in thousands)
Recognized from accumulated other comprehensive (income) loss (1)	$	21	$	24	$	42	$	48
Recognized from regulatory asset	89		100		178		200
Total net loss in net periodic benefit cost	$	110	$	124	$	220	$	248

(1) See Note 9, Stockholders' Equity.