Stockholder's Equity - Accumulated Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2021

Changes in Accumulated Other Comprehensive Loss


	Defined Benefit		Commodity		Interest Rate
	Pension and		Contracts		Swap
	Postretirement		Cash Flow		Cash Flow
	Plan Items		Hedges		Hedges		Total
(in thousands)
As of December 31, 2020	$	(5,146)	$	2,309	$	(28)	$	(2,865)
Other comprehensive income before reclassifications	—		8,121		55		8,176
Amounts reclassified from accumulated other comprehensive income (loss)	192		(3,027)		(37)		(2,872)
Net current-period other comprehensive income	192		5,094		18		5,304

As of September 30, 2021	$	(4,954)	$	7,403	$	(10)	$	2,439


(in thousands)
As of December 31, 2019	$	(4,933)	$	(1,334)	$	—	$	(6,267)
Other comprehensive income before reclassifications	—		3,594		23		3,617
Amounts reclassified from accumulated other comprehensive income/(loss)	198		(1,144)		(33)		(979)
Net prior-period other comprehensive income/(loss)	198		2,450		(10)		2,638
As of September 30, 2020	$	(4,735)	$	1,116	$	(10)	$	(3,629)

Reclassifications out of Accumulated Other Comprehensive Income (Loss)

The following table presents amounts reclassified out of accumulated other comprehensive income (loss) for the three and nine months ended September 30, 2021 and 2020. Deferred gains or losses for our commodity contracts and interest rate swap cash flow hedges are recognized in earnings upon settlement.


	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
(in thousands)
Amortization of defined benefit pension and postretirement plan items:
Prior service credit (1)	$	19	$	19	$	57	$	57
Net loss(1)	(106)		(108)		(317)		(323)
Total before income taxes	(87)		(89)		(260)		(266)
Income tax benefit	23		23		68		68
Net of tax	$	(64)	$	(66)	$	(192)	$	(198)

Gains on commodity contracts cash flow hedges:
Propane swap agreements (2)	$	681	$	116	$	4,183	$	1,581
Income tax expense	(188)		(32)		(1,156)		(437)
Net of tax	$	493	$	84	$	3,027	$	1,144

Gains on interest rate swap cash flow hedges:
Interest rate swap agreements	$	24	$	34	$	50	$	45
Income tax expense	(6)		(9)		(13)		(12)
Net of tax	$	18	$	25	$	37	$	33

Total reclassifications for the period	$	447	$	43	$	2,872	$	979

(1) These amounts are included in the computation of net periodic costs (benefits). See Note 10, Employee Benefit Plans, for additional details.

(2) These amounts are included in the effects of gains and losses from derivative instruments. See Note 13, Derivative Instruments, for additional details.