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| **Subsequent Events [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| Subsequent Events                | Subsequent EventsIntelsat Lease AmendmentOn October 17, 2013, through our subsidiary GCI Communication Corp. we amended our transponder capacity lease agreement with Intelsat, Ltd. (“Intelsat”) to lease transponder capacity on Intelsat’s Galaxy 18 spacecraft.  As a result, we expect to increase our existing capital lease asset and liability by $9.4 million during the three months ending December 31, 2013.Denali Media HoldingsOn November 1, 2013, we closed the transaction under the asset purchase agreements, pursuant to which Denali Media Holdings, Corp., a wholly owned subsidiary of GCI, through its wholly owned subsidiaries, Denali Media Anchorage, Corp. and Denali Media Southeast, Corp., agreed to purchase three Alaska broadcast stations: CBS affiliate KTVA-TV of Anchorage and NBC affiliates KATH-TV in Juneau and KSCT-TV of Sitka, for a total of $7.6 million (“Media Agreements”).  We are evaluating the accounting treatment for this transaction. |

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| - Definition
The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.
+ References
No definition available.
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