Segment and Geographic Information - Summary of Revenue and Long-lived Assets (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Segment Reporting Information [Line Items]
Revenues	$ 195,464	$ 168,978
Long-lived assets	88,655		$ 85,204
Americas [Member]
Segment Reporting Information [Line Items]
Revenues	160,119	142,637
Long-lived assets	70,812		68,707
Europe [Member]
Segment Reporting Information [Line Items]
Revenues	29,544	22,419
Long-lived assets	17,838		16,491
Asia [Member]
Segment Reporting Information [Line Items]
Revenues	5,801	$ 3,922
Long-lived assets	$ 5		$ 6