Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net Income	$ 17,507	$ 9,407	$ 81,946	$ 61,884
Reclassifications of amortization of prior service credit and actuarial loss, net of tax of $1, $3, $10 and $10, respectively	14	11	41	32
Other comprehensive income (loss)	(2,559)	1,922	(1,397)	242
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	14,948	11,329	80,549	62,126
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax			(1,088)	(26)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax			1,088	26
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax			(309)	268
Reclassifications of amortization of prior service credit and actuarial loss, net of tax of $1, $3, $10 and $10, respectively	14	11	41	32
Net Income	17,507	9,407	81,946	61,884
Other comprehensive income (loss)	(2,559)	1,922	(1,397)	242
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	14,948	11,329	80,549	62,126
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent
Statement of Comprehensive Income [Abstract]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(176)	(118)	(431)	(260)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	176	118	431	260
Accumulated (Gain) Loss from Commodity Contracts Cash Flows Hedges [Member]
Statement of Comprehensive Income [Abstract]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	63	328	(698)	202
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(63)	(328)	698	(202)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(609)	1,385	1,031	(660)
Accumulated (Gain) Loss from Interest Rate Swap Cash Flows Hedges [Member]
Statement of Comprehensive Income [Abstract]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax			(431)	(260)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax			431	260
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	$ (1,851)	$ 316	$ (1,340)	$ 928