Revenue Recognition - Summary of Revenues by Geographic Area (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation Of Revenue [Line Items]
Total Revenue	$ 50,935	$ 36,466	$ 158,148	$ 122,314
United States [Member]
Disaggregation Of Revenue [Line Items]
Total Revenue	19,078	14,754	60,900	55,746
Canada [Member]
Disaggregation Of Revenue [Line Items]
Total Revenue	5,982	1,976	14,307	5,789
Italy [Member]
Disaggregation Of Revenue [Line Items]
Total Revenue	7,984	5,932	24,536	15,713
Chile [Member]
Disaggregation Of Revenue [Line Items]
Total Revenue	3,339	1,968	9,677	5,315
United Kingdom [Member]
Disaggregation Of Revenue [Line Items]
Total Revenue	2,633	1,477	6,317	4,281
France [Member]
Disaggregation Of Revenue [Line Items]
Total Revenue	1,763	1,986	8,217	7,079
Other [Member]
Disaggregation Of Revenue [Line Items]
Total Revenue	$ 10,156	$ 8,373	$ 34,194	$ 28,391