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SEGMENT INFORMATION - Capital Expenditures by Reportable Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Segment Reporting Information, Capital Expenditures [Abstract] |  |  |  |
Capital expenditures | $ 240,682 | $ 206,163 | $ 498,297 | $ 463,590
Cablevision |  |  |  |
Segment Reporting Information, Capital Expenditures [Abstract] |  |  |  |
Capital expenditures | 170,356 | 141,166 | 337,157 | 325,565
Cequel Corp. [Member] |  |  |  |
Segment Reporting Information, Capital Expenditures [Abstract] |  |  |  |
Capital expenditures | $ 70,326 | $ 64,997 | $ 161,140 | $ 138,025

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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + 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 + Details
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- References No definition available. + Details
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- Details
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- Details
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