XML 144 R134.htm IDEA: XBRL DOCUMENT v3.24.0.1
Segment Information and Major Customers - Disaggregation of Sales by Category (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disaggregation Of Revenue [Line Items]      
Revenue $ 1,149,100 $ 1,025,536 $ 563,004
Network Solutions [Member]      
Disaggregation Of Revenue [Line Items]      
Revenue 974,389 916,793 498,834
Services & Support [Member]      
Disaggregation Of Revenue [Line Items]      
Revenue 174,711 108,743 64,170
Access & Aggregation Solutions [Member]      
Disaggregation Of Revenue [Line Items]      
Revenue 358,418 374,002 356,794
Access & Aggregation Solutions [Member] | Network Solutions [Member]      
Disaggregation Of Revenue [Line Items]      
Revenue 304,074 326,934 309,009
Access & Aggregation Solutions [Member] | Services & Support [Member]      
Disaggregation Of Revenue [Line Items]      
Revenue 54,344 47,068 47,785
Subscriber Solutions [Member]      
Disaggregation Of Revenue [Line Items]      
Revenue 297,708 390,454 206,210
Subscriber Solutions [Member] | Network Solutions [Member]      
Disaggregation Of Revenue [Line Items]      
Revenue 263,192 364,238 189,825
Subscriber Solutions [Member] | Services & Support [Member]      
Disaggregation Of Revenue [Line Items]      
Revenue 34,516 26,216 16,385
Optical Networking Solutions [Member]      
Disaggregation Of Revenue [Line Items]      
Revenue 492,974 261,080 0
Optical Networking Solutions [Member] | Network Solutions [Member]      
Disaggregation Of Revenue [Line Items]      
Revenue 407,123 225,621 0
Optical Networking Solutions [Member] | Services & Support [Member]      
Disaggregation Of Revenue [Line Items]      
Revenue $ 85,851 $ 35,459 $ 0