Acquisitions - Summary of Unaudited Proforma Results of Operation (Detail) - Circle [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Revenues	$ 51,767	$ 47,252
Net income	$ 4,225	$ 10,322
Earnings per share:
Basic	$ 0.10	$ 0.30
Diluted	$ 0.10	$ 0.28

Pro forma basic earnings per share or earnings per unit, which is commonly presented in initial public offerings based on the terms of the offering.

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