Commitments and Contingencies - Additional Information (Detail) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Commitments And Contingencies Disclosure [Abstract]
Estimated remediation liabilities included in accrued liabilities	$ 800,000	$ 900,000
Estimated remediation liabilities included in other noncurrent liabilities	3,100,000	3,100,000
Accrued liabilities for legal contingencies	0	0
Lease obligations	0	$ 0
Unconditional purchase obligation, due in next fiscal year	11,900,000
Unconditional purchase obligation, due thereafter	$ 0