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Segment Information - Revenue and Gross Profit of Reportable Segments (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Revenue	$ 172,038	$ 143,232	$ 326,556	$ 270,765
Gross Profit	62,506	62,668	116,822	116,269
Network Solutions [Member]
Segment Reporting Information [Line Items]
Revenue	155,992	125,449	294,366	239,258
Gross Profit	56,071	55,435	103,791	104,243
Services & Support [Member]
Segment Reporting Information [Line Items]
Revenue	16,046	17,783	32,190	31,507
Gross Profit	$ 6,435	$ 7,233	$ 13,031	$ 12,026

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