Segment Information - Net Sales to Customers by Geographic Area (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales, Total	$ 78,876	$ 63,711	$ 147,041	$ 116,680
Unaffiliated Customers by Geographic Area [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales, Total	78,876	63,711	147,041	116,680
United States [Member] | Unaffiliated Customers by Geographic Area [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales, Total	59,736	45,769	110,475	83,269
United Kingdom [Member] | Unaffiliated Customers by Geographic Area [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales, Total	7,908	8,825	15,571	16,973
Other International [Member] | Unaffiliated Customers by Geographic Area [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales, Total	$ 11,232	$ 9,117	$ 20,995	$ 16,438