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Segment Information - Revenue and Gross Profit of Reportable Segments (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Revenue	$ 340,709	$ 138,081	$ 667,265	$ 408,846
Gross Profit	103,027	47,673	219,849	163,942
Network Solutions [Member]
Segment Reporting Information [Line Items]
Revenue	304,940	120,767	599,306	360,025
Gross Profit	82,334	39,738	186,126	143,981
Services & Support [Member]
Segment Reporting Information [Line Items]
Revenue	35,769	17,314	67,959	48,821
Gross Profit	$ 20,693	$ 7,935	$ 33,723	$ 19,961

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