Long Lived Assets by Geographic Area (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting, Asset Reconciling Item [Line Items]
Long Lived Assets	$ 74,400	$ 32,354
North America
Segment Reporting, Asset Reconciling Item [Line Items]
Long Lived Assets	66,756	26,344
Europe
Segment Reporting, Asset Reconciling Item [Line Items]
Long Lived Assets	6,775	5,162
APAC
Segment Reporting, Asset Reconciling Item [Line Items]
Long Lived Assets	$ 869	$ 848