| Cover | Apr. 01, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K/A |
| Amendment Flag | true |
| Amendment Description | On April 1, 2024, Shenandoah Telecommunications Company (“Shentel” or the “Company”) filed a Current Report on Form 8-K (the “Initial Form 8-K”) reporting: (1) its previously announced acquisition of Horizon Acquisition Parent, LLC, (“Horizon”) in exchange for (i) issuing 4,100,375 shares of Shentel’s common stock, no par value, to an investment fund managed by affiliates of GCM Grosvenor, which is one of the sellers; and (ii) paying $305 million in cash consideration to the other sellers and certain third parties, including Horizon’s existing lenders to discharge debt (collectively, the “Horizon Transaction”): and (2) certain other related transactions. |
| Document Period End Date | Apr. 01, 2024 |
| Entity File Number | 000-9881 |
| Entity Registrant Name | Shenandoah Telecommunications Company |
| Entity Central Index Key | 0000354963 |
| Entity Tax Identification Number | 54-1162807 |
| Entity Incorporation, State or Country Code | VA |
| Entity Address, Address Line One | 500 Shentel Way |
| Entity Address, Address Line Two | P.O. Box 459 |
| Entity Address, City or Town | Edinburg |
| Entity Address, State or Province | VA |
| Entity Address, Postal Zip Code | 22824 |
| City Area Code | (540) |
| Local Phone Number | 984-4141 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock (No Par Value) |
| Trading Symbol | SHEN |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
