Discontinued Operations and Assets Held for Sale - Revenue into Primary Product Groups and Major Regions (Details) - Product business [Member] - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Revenue [Line Items] | ||||
| Revenue, discontinued operations | $ 0 | $ 1,916 | $ 0 | $ 4,229 |
| North and South America [Member] | ||||
| Revenue [Line Items] | ||||
| Revenue, discontinued operations | 0 | 1,331 | 0 | 2,291 |
| Asia Pacific (includes Middle East, India and Australia) | ||||
| Revenue [Line Items] | ||||
| Revenue, discontinued operations | 0 | 230 | 0 | 1,418 |
| Europe and Africa [Member] | ||||
| Revenue [Line Items] | ||||
| Revenue, discontinued operations | 0 | 355 | 0 | 520 |
| Audio conferencing [Member] | ||||
| Revenue [Line Items] | ||||
| Revenue, discontinued operations | 0 | 625 | 0 | 1,579 |
| Microphones [Member] | ||||
| Revenue [Line Items] | ||||
| Revenue, discontinued operations | 0 | 971 | 0 | 2,089 |
| Video products [Member] | ||||
| Revenue [Line Items] | ||||
| Revenue, discontinued operations | $ 0 | $ 320 | $ 0 | $ 561 |