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Revenue from Contracts with Customers Revenue from Contracts with Customers - Amortized and Capitalized Costs (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Capitalized Contract Cost [Roll Forward] |  |  |  |
Beginning Balance | $ 11,663 | $ 10,409 | $ 11,005 | $ 10,091
Contract payments | 2,248 | 1,457 | 3,933 | 3,156
Contract amortization | (1,131) | (1,390) | (2,158) | (2,771)
Ending Balance | $ 12,780 | $ 10,476 | $ 12,780 | $ 10,476

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- Definition Capitalized Contract Cost Payments + References No definition available. + Details
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- Definition Capitalized Contract Cost [Roll Forward] + References No definition available. + Details
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Namespace Prefix: | shen_
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- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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