XML 92 R56.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Acquisitions - Unaudited Pro forma Results of the Company (Details) - Ntelos Holding, Corp $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 USD ($)
Business Acquisition, Pro Forma Information [Abstract] |
Operating revenues | $ 646,769
Income (loss) before income taxes | $ 2,989

X
- Definition Business Combination, Pro Forma Income (Loss) from Continuing Operations, Before Tax + References No definition available. + Details
Name: | shen_BusinessCombinationProFormaIncomeLossfromContinuingOperationsBeforeTax
Namespace Prefix: | shen_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionsProFormaRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=shen_NtelosHoldingCorpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |