Name:	shen_DebtInstrumentCovenantsMinimumLiquidityAmount
Namespace Prefix:	shen_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Debt Instrument, Periodic Payment Principal, Period Three

No definition available.

Name:	shen_DebtInstrumentPeriodicPaymentPrincipalPeriodThree
Namespace Prefix:	shen_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of the required periodic payments applied to principal period two.

No definition available.

Name:	shen_DebtInstrumentPeriodicPaymentPrincipalPeriodTwo
Namespace Prefix:	shen_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents actual debt service coverage ratio.

No definition available.

Name:	shen_DebtServiceCoverageRatioActual
Namespace Prefix:	shen_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

Debt instrument, Principal Balance of Term Loans Outstanding, Hedged, Percentage

No definition available.

Name:	shen_DebtinstrumentPrincipalBalanceofTermLoansOutstandingHedgedPercentage
Namespace Prefix:	shen_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Represents total leverage ratio.

No definition available.

Name:	shen_LeverageRatioOne
Namespace Prefix:	shen_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

Represents total leverage ratio.

No definition available.

Name:	shen_LeverageRatioThree
Namespace Prefix:	shen_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

Represents total leverage ratio.

No definition available.

Name:	shen_LeverageRatioTwo
Namespace Prefix:	shen_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

Line of Credit, Charitable Contributions Allowed Under Credit Agreement

No definition available.

Name:	shen_LineofCreditCharitableContributionsAllowedUnderCreditAgreement
Namespace Prefix:	shen_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Amount after unamortized loan fees of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

No definition available.

Name:	shen_LongTermDebtNetOfUnamortizedLoanFees
Namespace Prefix:	shen_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Represents the net unamortized loan fees.

No definition available.

Name:	shen_UnamortizedLoanFeesNet
Namespace Prefix:	shen_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

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.

No definition available.

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount of the required periodic payments applied to principal.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_DebtInstrumentPeriodicPaymentPrincipal
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Fixed interest rate related to the interest rate derivative.

No definition available.

Name:	us-gaap_DerivativeFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

No definition available.

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_DebtInstrumentAxis=shen_TermLoanA1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: