Stockholder's Equity - Accumulated Other Comprehensive Income (Loss) - Changes in Accumulated Other Comprehensive Loss (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2024	Nov. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ (2,738)	$ (1,379)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	1,858	(126)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(906)	(478)
Net current-period other comprehensive income (loss)	952	(604)
Ending balance	(1,786)	(1,983)
Proceeds from Issuance of Common Stock, Dividend Reinvestment Plan		100
Equity Issued in Business Combination, Fair Value Disclosure			$ 366,400
Proceeds from Issuance of Senior Long-Term Debt	550,000
Proceeds from Issuance of Common Stock, Dividend Reinvestment Plan		100
Maximum [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Proceeds from Stock Plans	75,000
Proceeds from Stock Plans	75,000
UnrealizedGainsLossesFromDefinedBenefitPensionAndPostretirementPlanItems [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(2,584)	(2,506)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	13	10
Net current-period other comprehensive income (loss)	13	10
Ending balance	(2,571)	(2,496)
Accumulated (Gain) Loss from Commodity Contracts Cash Flows Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(274)	1,092
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	1,441	22
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(791)	(440)
Net current-period other comprehensive income (loss)	650	(418)
Ending balance	376	674
Accumulated (Gain) Loss from Interest Rate Swap Cash Flows Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	120	35
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	417	(148)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(128)	(48)
Net current-period other comprehensive income (loss)	289	(196)
Ending balance	409	$ (161)
Common Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Shares Issued, Price Per Share				$ 82.72
Proceeds from Issuance of Senior Long-Term Debt	$ 4,400