Income Taxes - Additional Information (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Effective tax rate from continuing operations	3.40%	(13.30%)	7.10%	(0.60%)
Effective income tax rate reconciliation, at federal statutory income tax rate, percent			21.00%