XML 82 R46.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Nature of Operations (Details) - megahertz | Dec. 31, 2018 | Dec. 31, 1999
--- | --- | ---
Unusual or Infrequent Item, or Both [Line Items] |  |
Megahertz spectrum range used | 1,900 | 1,900
Minimum |  |
Unusual or Infrequent Item, or Both [Line Items] |  |
Megahertz spectrum range used | 800 | 800
Maximum |  |
Unusual or Infrequent Item, or Both [Line Items] |  |
Megahertz spectrum range used | 2,500,000 | 2,500,000

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- Definition Radio frequencies used by the company. + References No definition available. + Details
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Namespace Prefix: | shen_
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Balance Type: | na
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |