Income Taxes - Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Net operating loss carryforwards	$ 35,863	$ 36,093
Interest carryforwards	6,254	4,974
Tax credit carryforwards	4,732	4,938
Inventory	4,203	8,309
Benefit plans accrual	24,908	31,431
Operating leases	12,013	13,279
Deferred income	31,160	36,999
Other accruals and reserves	6,454	11,821
Deferred tax assets	125,587	147,844
Valuation allowance for deferred tax assets	(33,894)	(39,517)
Net deferred tax assets after valuation allowance	91,693	108,327
Deferred tax liabilities:
Property, plant, and equipment	104,318	117,678
Intangible assets	8,496	2,603
Operating leases	9,806	11,715
Investment in subsidiaries	18,356	18,356
Deferred tax liabilities	140,976	150,352
Net deferred tax liabilities	$ 49,283	$ 42,025