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Stock-Based Compensation (Stock Options) - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Jul. 22, 2022 | Jul. 15, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |
Unrecognized compensation expense related to stock options | $ 8,300 | $ 8,300 |  |  |  |
Recognition period of unvested compensation expense |  | 2 years 4 months 24 days |  |  |  |
Aggregate intrinsic value based on fair market value | $ 16,251 | $ 16,251 | $ 6,669 |  |  |
Total pre-tax intrinsic value of options exercised |  | $ 4,000 |  |  |  |
Weighted-average estimated fair value per share of stock options granted to employees |  | $ 5.81 |  |  |  |
Number of Stock options, granted |  |  | 0 | 0 |  |
Maximum [Member] |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |
Options available for issuance under shareholders-approved equity plan | 2,300,000 | 2,300,000 |  |  |  |
ADVA Optical Networking SE [Member] |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |  |
Unrecognized compensation expense related to stock options | $ 100 | $ 100 |  |  |  |
Recognition period of unvested compensation expense |  | 1 year 2 months 1 day |  |  |  |
Options available for issuance under shareholders-approved equity plan |  |  |  |  | 2,100,000 |
Aggregate intrinsic value based on fair market value | 1,222 | $ 1,222 |  |  |  | $ 27,205
Total pre-tax intrinsic value of options exercised | $ 1,600 |  |  |  |  |

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