Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss, tax	$ 500	$ 0
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	114,601	71,002
Other comprehensive loss before reclassifications	(1,793)	111
Amounts reclassified to earnings	243	0
Ending balance	513,579	101,166
Foreign currency translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(960)	(1,108)
Other comprehensive loss before reclassifications	(9)	111
Amounts reclassified to earnings	0	0
Ending balance	(969)	(997)
Unrealized loss on cash flow hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	0	0
Other comprehensive loss before reclassifications	(1,784)	0
Amounts reclassified to earnings	243	0
Ending balance	(1,541)	0
Accumulated other comprehensive loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(960)	(1,108)
Ending balance	$ (2,510)	$ (997)