Represents the number of subscribers of pay tv services.

No definition available.

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- Definition

Amount of the cumulative effect on retained earnings net of related income tax effect.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22663-107794

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- Definition

Portion of equity (net assets) in a variable interest entity (VIE) not attributable, directly or indirectly, to the parent entity. That is, this is the portion of equity in a VIE that is attributable to the noncontrolling interest (previously referred to as minority interest).

+ References

No definition available.

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

+ References

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- Definition

The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

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- Definition

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.

+ References

No definition available.

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Organization and Business Activities (Details) item in Thousands, $ in Millions	3 Months Ended	84 Months Ended	114 Months Ended	123 Months Ended
	Mar. 31, 2018 USD ($) segment item	Dec. 31, 2014 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2018 USD ($) item	Dec. 31, 2017 USD ($)
Spectrum Investments
Number of primary operating business units \| segment	2
Number of Pay-TV subscribers \| item	13,148			13,148
Payment to acquire certain wireless licenses and related assets		$ 11,000.0		$ 21,000.0
Total debt and equity investments in subsidiaries	$ 10,000.0			$ 10,000.0
Sling TV Holding L.L.C.
Spectrum Investments
Number of Pay-TV subscribers \| item	2,303			2,303
Dish TV
Spectrum Investments
Number of Pay-TV subscribers \| item	10,845			10,845
Wireless
Spectrum Investments
Payment to acquire certain wireless licenses and related assets			$ 11,000.0	$ 11.0
Total debt and equity investments in subsidiaries	$ 11,000.0			11,000.0
Northstar Spectrum And SNR Holdco
Spectrum Investments
Total debt and equity investments in subsidiaries	10.0			$ 10.0	$ 10,000.0
ASU 2014-09
Spectrum Investments
Cumulative effect of the change, net	$ 2.0