Segment, Customer Concentration and Geographical Information - Additional Information (Detail)	3 Months Ended		9 Months Ended
	Sep. 30, 2023 location	Sep. 30, 2022 location	Sep. 30, 2023 businessUnit location	Sep. 30, 2022 location
Revenue, Major Customer [Line Items]
Number of primary business units | businessUnit			1
Number of geographic locations | location	2	2	2	2
Customer Concentration Risk | Revenues | Customer one
Revenue, Major Customer [Line Items]
Concentration percentage	45.00%	40.00%	41.00%	40.00%
Customer Concentration Risk | Revenues | Customer two
Revenue, Major Customer [Line Items]
Concentration percentage	32.00%	37.00%	35.00%	37.00%
Customer Concentration Risk | Revenues | Customer three
Revenue, Major Customer [Line Items]
Concentration percentage	10.00%		10.00%
Customer Concentration Risk | Accounts receivable | Customer one
Revenue, Major Customer [Line Items]
Concentration percentage			33.00%	36.00%
Customer Concentration Risk | Accounts receivable | Customer two
Revenue, Major Customer [Line Items]
Concentration percentage			32.00%	28.00%
Customer Concentration Risk | Accounts receivable | Customer three
Revenue, Major Customer [Line Items]
Concentration percentage			18.00%	17.00%
Customer Concentration Risk | Accounts receivable | Customer four
Revenue, Major Customer [Line Items]
Concentration percentage				11.00%