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Pension and Other Postretirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2023

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

The following table presents the components of the PNM Plans’ net periodic benefit cost:

			Three Months Ended June 30,
			Pension Plan												OPEB Plan												Executive Retirement Program
			2023						2022						2023						2022						2023						2022
			(In thousands)
Components of Net Periodic Benefit Cost
Service cost			$	—					$	—					$	—					$	2					$	—					$	—
Interest cost			5,914						4,214						676						479						135						90
Expected return on plan assets			(7,299)						(7,141)						(1,243)						(1,088)						—						—
Amortization of net loss			2,645						3,949						—						—						38						82
Amortization of prior service cost			—						—						—						—						—						—
Net Periodic Benefit Cost (Income)			$	1,260					$	1,022					$	(567)					$	(607)					$	173					$	172
			Six Months Ended June 30,
			Pension Plan												OPEB Plan												Executive Retirement Program
			2023						2022						2023						2022						2023						2022
			(In thousands)
Components of Net Periodic Benefit Cost
Service cost			$	—					$	—					$	—					$	4					$	—					$	—
Interest cost			11,827						8,428						1,352						958						270						180
Expected return on plan assets			(14,598)						(14,282)						(2,485)						(2,176)						—						—
Amortization of net loss			5,291						7,898						—						—						76						164
Amortization of prior service cost			—						—						—						—						—						—
Net Periodic Benefit Cost (Income)			$	2,520					$	2,044					$	(1,133)					$	(1,214)					$	346					$	344

The following table presents the components of the TNMP Plans’ net periodic benefit cost:

			Three Months Ended June 30,
			Pension Plan												OPEB Plan												Executive Retirement Program
			2023						2022						2023						2022						2023						2022
			(In thousands)
Components of Net Periodic Benefit Cost
Service cost			$	—					$	—					$	6					$	9					$	—					$	—
Interest cost			600						430						107						77						3						3
Expected return on plan assets			(675)						(618)						(121)						(104)						—						—
Amortization of net (gain) loss			109						233						(190)						(130)						—						—
Amortization of prior service cost			—						—						—						—						—						—
Net Periodic Benefit Cost (Income)			$	34					$	45					$	(198)					$	(148)					$	3					$	3
			Six Months Ended June 30,
			Pension Plan												OPEB Plan												Executive Retirement Program
			2023						2022						2023						2022						2023						2022
			(In thousands)
Components of Net Periodic Benefit Cost
Service cost			$	—					$	—					$	11					$	18					$	—					$	—
Interest cost			1,201						860						213						154						6						6
Expected return on plan assets			(1,349)						(1,236)						(241)						(208)						—						—
Amortization of net (gain) loss			219						466						(380)						(260)						—						—
Amortization of prior service cost			—						—						—						—						—						—
Net Periodic Benefit Cost (Income)			$	71					$	90					$	(397)					$	(296)					$	6					$	6

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- References

No definition available.

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- Definition

Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 715
-SubTopic 20
-Subparagraph (h)
-Name Accounting Standards Codification
-Paragraph 1
-Section 50
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480506/715-20-50-1

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