Goodwill and Other Intangible Assets - Summary of Amortization Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Finite Lived Intangible Assets [Line Items]
Amortization expense, total	$ 267	$ 144
Cost of Revenues [Member]
Finite Lived Intangible Assets [Line Items]
Amortization expense, total	57	112
Operating Expense [Member]
Finite Lived Intangible Assets [Line Items]
Amortization expense, total	$ 210	$ 32