Segment and Geographic Information - Summary of Revenue and Long-lived Assets (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Segment Reporting Information [Line Items]
Revenues	$ 176,334	$ 184,795	$ 371,798	$ 353,773
Long-lived assets	93,108		93,108		$ 85,204
Americas [Member]
Segment Reporting Information [Line Items]
Revenues	143,239	158,845	303,358	301,482
Long-lived assets	74,030		74,030		68,707
Europe [Member]
Segment Reporting Information [Line Items]
Revenues	28,317	22,086	57,861	44,505
Long-lived assets	19,071		19,071		16,491
Asia [Member]
Segment Reporting Information [Line Items]
Revenues	4,778	$ 3,864	10,579	$ 7,786
Long-lived assets	$ 7		$ 7		$ 6