Revenue from Contracts with Customers - Summary of Revenue Disaggregated By Geography (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of Revenue [Line Items]
Revenue	$ 454,100	$ 200,392	$ 841,076	$ 361,962
Revenue Benchmark
Disaggregation of Revenue [Line Items]
Revenue	$ 454,100	$ 200,392	$ 841,076	$ 361,962
Revenue Benchmark | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue	100.00%	100.00%	100.00%	100.00%
Revenue Benchmark | United States and Canada
Disaggregation of Revenue [Line Items]
Revenue	$ 309,203	$ 139,769	$ 573,711	$ 252,417
Revenue Benchmark | United States and Canada | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue	68.00%	70.00%	68.00%	70.00%
Revenue Benchmark | Europe
Disaggregation of Revenue [Line Items]
Revenue	$ 85,042	$ 36,021	$ 157,644	$ 64,441
Revenue Benchmark | Europe | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue	19.00%	18.00%	19.00%	18.00%
Revenue Benchmark | Asia-Pacific, including Australia and New Zealand
Disaggregation of Revenue [Line Items]
Revenue	$ 33,050	$ 15,263	$ 61,362	$ 27,957
Revenue Benchmark | Asia-Pacific, including Australia and New Zealand | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue	7.00%	8.00%	7.00%	8.00%
Revenue Benchmark | Rest of world
Disaggregation of Revenue [Line Items]
Revenue	$ 26,805	$ 9,339	$ 48,359	$ 17,147
Revenue Benchmark | Rest of world | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue	6.00%	4.00%	6.00%	4.00%
Revenue Benchmark | U.S | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue		65.00%	64.00%	65.00%