XML 40 R28.htm IDEA: XBRL DOCUMENT
v3.25.3

Investments (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
Investments [Abstract] |
Schedule of Other Investments | Investments consisted of the following:
(in thousands) | September 30, 2025 |  | December 31, 2024
SERP investments at fair value | $ | 3,022 |  |  | $ | 2,670 |
Cost method investments | 13,117 |  |  | 12,813 |
Equity method investments | 205 |  |  | 226 |
Total investments | $ | 16,344 |  |  | $ | 15,709 |

X
- Definition Tabular disclosure of other investments which do not have readily determinable fair values. + References No definition available. + Details
Name: | shen_ScheduleOfOtherInvestmentsWhichDoNotHaveReadilyDeterminableFairValuesTableTextBlock
Namespace Prefix: | shen_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration