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Accumulated Other Comprehensive Income - Schedule of Amounts Reclassified from Accumulated Other Comprehensive Income (Detail) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]        
Gains on cash flow hedges   $ 939,899 $ 768,629 $ 780,131
Loss on interest rate swaps   12,353 7,022 10,408
Other, net   2,657 4,020 4,477
Pension settlement charge   0 6,154 75,326
Income (loss) before income taxes   (13,677) (32,359) 34,453
Tax expense   6,956 11,576 (9,242)
Net income (loss)   (6,937) (21,298) 21,541
Pension Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Pension settlement charge $ 0   0 75,356
Reclassifications Out of Accumulated Other Comprehensive Income        
Defined Benefit Plan Disclosure [Line Items]        
Net income (loss)   290 (4,658) 49,912
Reclassifications Out of Accumulated Other Comprehensive Income | Gains on cash flow hedges        
Defined Benefit Plan Disclosure [Line Items]        
Net income (loss)   (275) (3,972) (4,683)
Reclassifications Out of Accumulated Other Comprehensive Income | Pension Benefits | Change in Pensions        
Defined Benefit Plan Disclosure [Line Items]        
Income (loss) before income taxes   839 699 78,384
Tax expense   (88) (88) (22,936)
Net income (loss)   751 611 55,448
Reclassifications Out of Accumulated Other Comprehensive Income | Pension Benefits | Prior service costs        
Defined Benefit Plan Disclosure [Line Items]        
Other, net   47 48 216
Reclassifications Out of Accumulated Other Comprehensive Income | Pension Benefits | Actuarial losses        
Defined Benefit Plan Disclosure [Line Items]        
Other, net   792 651 2,842
Reclassifications Out of Accumulated Other Comprehensive Income | Pension Benefits | Pension settlement        
Defined Benefit Plan Disclosure [Line Items]        
Pension settlement charge   0 0 75,326
Reclassifications Out of Accumulated Other Comprehensive Income | Other Pension Plan | Change in Pensions        
Defined Benefit Plan Disclosure [Line Items]        
Income (loss) before income taxes   (186) (1,297) (862)
Tax expense   0 0 9
Net income (loss)   (186) (1,297) (853)
Reclassifications Out of Accumulated Other Comprehensive Income | Other Pension Plan | Prior service costs        
Defined Benefit Plan Disclosure [Line Items]        
Other, net   (233) (463) (10)
Reclassifications Out of Accumulated Other Comprehensive Income | Other Pension Plan | Actuarial losses        
Defined Benefit Plan Disclosure [Line Items]        
Other, net   47 (834) (852)
Reclassifications Out of Accumulated Other Comprehensive Income | Interest Rate Swap | Gains on cash flow hedges        
Defined Benefit Plan Disclosure [Line Items]        
Loss on interest rate swaps   85 83 0
Tax expense   0 0 0
Net income (loss)   85 83 0
Reclassifications Out of Accumulated Other Comprehensive Income | Cash Flow Hedges | Gains on cash flow hedges        
Defined Benefit Plan Disclosure [Line Items]        
Gains on cash flow hedges   (382) (5,503) (6,468)
Tax expense   22 1,448 1,785
Net income (loss)   $ (360) $ (4,055) $ (4,683)