Income Taxes - Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Beginning balance	$ 1,576	$ 1,116
Decreases based on tax positions related to prior year	(789)
Additions based on tax positions related to current year	1,007	460
Ending balance	$ 1,794	$ 1,576