Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Tax Disclosure [Abstract]
Income tax provision	$ 368	$ 233	$ 574	$ 329
Effective tax rate	(2.80%)	(1.80%)	(2.20%)	(1.20%)