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Stockholder's Equity - Accumulated Other Comprehensive Income (Loss) (Tables)
3 Months Ended
Mar. 31, 2022
Equity [Abstract]  
Changes in Accumulated Other Comprehensive Loss
Defined BenefitCommodityInterest Rate
Pension andContractsSwap
PostretirementCash FlowCash Flow
Plan ItemsHedges
Hedges (1)
Total
(in thousands)
As of December 31, 2021$(3,268)$4,571 $ $1,303 
Other comprehensive income before reclassifications 2,498  2,498 
Amounts reclassified from accumulated other comprehensive income/(loss)18 (1,969) (1,951)
Net current-period other comprehensive income18 529  547 
As of March 31, 2022$(3,250)$5,100 $ $1,850 
(in thousands)
As of December 31, 2020$(5,146)$2,309 $(28)$(2,865)
Other comprehensive income before reclassifications— 2,371 2,372 
Amounts reclassified from accumulated other comprehensive income/(loss)63 (2,205)(3)(2,145)
Net prior-period other comprehensive income/(loss)63 166 (2)227 
As of March 31, 2021$(5,083)$2,475 $(30)$(2,638)
Reclassifications out of Accumulated Other Comprehensive Income (Loss) The following table presents amounts reclassified out of accumulated other comprehensive income (loss) for the three months ended March 31, 2022 and 2021. Deferred gains or losses for our commodity contracts and interest rate swap cash flow hedges are recognized in earnings upon settlement.
Three Months Ended
March 31,
20222021
(in thousands)
Amortization of defined benefit pension and postretirement plan items:
Prior service credit (1)
$19 $19 
Net loss(1)
(43)(104)
Total before income taxes(24)(85)
Income tax benefit6 22 
Net of tax$(18)$(63)
Gains on commodity contracts cash flow hedges:
Propane swap agreements (2)
$2,721 $3,047 
Income tax expense(752)(842)
Net of tax$1,969 $2,205 
Gains on interest rate swap cash flow hedges:
Interest rate swap agreements$ $
Income tax expense (1)
Net of tax$ $
Total reclassifications for the period$1,951 $2,145 
(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.