Financial Instruments - Summary of Changes in Fair Value of the Company's Liability for Contingent Consideration (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Derivative Liability Roll Forward [Roll Forward]
Liability at the beginning of the period	$ 1,285	$ 978
Increase  (decrease) in fair value of liability for contingent consideration	213	307	$ 271
Liability at end of the period	$ 1,498	$ 1,285	$ 978