Commitments and Contingencies - Additional Information (Detail) - USD ($)	1 Months Ended	6 Months Ended
	Feb. 29, 2016	Jun. 30, 2024	Dec. 31, 2023
Contingencies And Commitments [Line Items]
Estimated sales tax and related penalties and interest		$ 10,900,000	$ 12,700,000
Range of deductible for liability coverage for personal injury claims, upper limit		100,000,000
Purchase Obligations		0
Maximum [Member]
Contingencies And Commitments [Line Items]
Range of deductible for liability coverage for personal injury claims, upper limit		2,500,000
Minimum [Member]
Contingencies And Commitments [Line Items]
Range of deductible for liability coverage for personal injury claims, upper limit		1,000,000
Personal Injury Claims [Member]
Contingencies And Commitments [Line Items]
Personal injury claims recorded		21,300,000	14,600,000
Total Contingent Liabilities Under Letters of Credit and Bonds [Member]
Contingencies And Commitments [Line Items]
Contingent liability under letters of credit and other bonds		12,800,000
Services Agreement [Member]
Contingencies And Commitments [Line Items]
Maturity of service arrangement	10 years
Annual payments due under service agreement		25,800,000
Total remaining payments due under service agreement		82,000,000
Consumables and Capital Spare Parts [Member]
Contingencies And Commitments [Line Items]
Total remaining payments due under service agreement		37,000,000
Accrued Liabilities [Member] | Personal Injury Claims [Member]
Contingencies And Commitments [Line Items]
Personal injury claims recorded		15,900,000	7,400,000
Other Liabilities [Member] | Personal Injury Claims [Member]
Contingencies And Commitments [Line Items]
Personal injury claims recorded		$ 5,400,000	$ 7,200,000