Segment, Concentration and Geographical Information - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2023 location segment	Dec. 31, 2022	Dec. 31, 2021 location
Revenue, Major Customer [Line Items]
Number of primary business units | segment	1
Number of geographic locations | location	2		2
Customer Concentration Risk | Revenue | One Customer
Revenue, Major Customer [Line Items]
Concentration percentage	41.00%	40.00%
Customer Concentration Risk | Revenue | Two Customer
Revenue, Major Customer [Line Items]
Concentration percentage	35.00%	38.00%
Customer Concentration Risk | Revenue | Three Customer
Revenue, Major Customer [Line Items]
Concentration percentage	13.00%
Customer Concentration Risk | Revenue | U.S. Tier 1 Customer Agreement
Revenue, Major Customer [Line Items]
Concentration percentage	36.00%	33.00%
Customer Concentration Risk | Accounts Receivable | One Customer
Revenue, Major Customer [Line Items]
Concentration percentage	38.00%	40.00%
Customer Concentration Risk | Accounts Receivable | Two Customer
Revenue, Major Customer [Line Items]
Concentration percentage	37.00%	26.00%
Customer Concentration Risk | Accounts Receivable | Three Customer
Revenue, Major Customer [Line Items]
Concentration percentage	11.00%	17.00%
Supplier Concentration Risk | Service provider one | Purchase
Revenue, Major Customer [Line Items]
Concentration percentage	16.00%	19.00%
Supplier Concentration Risk | Service provider one | Accounts Payable
Revenue, Major Customer [Line Items]
Concentration percentage	33.00%	36.00%