Segment Information and Geographic Information - Geographical Data for Operations (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Revenue:
Business combination net operating revenue	$ 79,573	$ 66,827
United States [Member]
Revenue:
Business combination net operating revenue	44,283	40,687
International [Member]
Revenue:
Business combination net operating revenue	$ 35,290	$ 26,140

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details