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Pension and Other Postretirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2021

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
			2021						2020						2021						2020						2021						2020
			(In thousands)
Components of Net Periodic Benefit Cost
Service cost			$	—					$	—					$	7					$	10					$	—					$	—
Interest cost			4,035						4,985						477						613						91						122
Expected return on plan assets			(7,132)						(7,363)						(1,041)						(1,387)						—						—
Amortization of net loss			4,542						4,465						—						87						97						101
Amortization of prior service cost			—						(138)												—						—						—
Net Periodic Benefit Cost (Income)			$	1,445					$	1,949					$	(557)					$	(677)					$	188					$	223
			Six Months Ended June 30,
			Pension Plan												OPEB Plan												Executive Retirement Program
			2021						2020						2021						2020						2021						2020
			(In thousands)
Components of Net Periodic Benefit Cost
Service cost			$	—					$	—					$	13					$	20					$	—					$	—
Interest cost			8,071						9,971						954						1,227						181						244
Expected return on plan assets			(14,265)						(14,726)						(2,083)						(2,774)						—						—
Amortization of net loss			9,083						8,930						—						174						197						201
Amortization of prior service cost			—						(277)						—						—						—						—
Net Periodic Benefit Cost (Income)			$	2,889					$	3,898					$	(1,116)					$	(1,353)					$	378					$	445

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
			2021						2020						2021						2020						2021						2020
			(In thousands)
Components of Net Periodic Benefit Cost
Service cost			$	—					$	—					$	11					$	12					$	—					$	—
Interest cost			436						544						77						93						5						6
Expected return on plan assets			(796)						(821)						(101)						(135)						—						—
Amortization of net (gain) loss			312						315						(81)						(80)						8						6
Amortization of prior service cost			—						—						—						—						—						—
Net Periodic Benefit Cost (Income)			$	(48)					$	38					$	(94)					$	(110)					$	13					$	12
			Six Months Ended June 30,
			Pension Plan												OPEB Plan												Executive Retirement Program
			2021						2020						2021						2020						2021						2020
			(In thousands)
Components of Net Periodic Benefit Cost
Service cost			$	—					$	—					$	22					$	23					$	—					$	—
Interest cost			871						1,088						154						187						9						11
Expected return on plan assets			(1,591)						(1,642)						(203)						(268)						—						—
Amortization of net (gain) loss			624						629						(161)						(162)						17						12
Amortization of prior service cost			—						—						—						—						—						—
Net Periodic Benefit Cost (Income)			$	(96)					$	75					$	(188)					$	(220)					$	26					$	23

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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