IMPACT OF HURRICANES IRMA AND MARIA (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)
IMPACT OF THE HURRICANES IRMA AND MARIA
Revenue	$ 117,788	$ 222,263
Payments for restoring and adding resiliency to network		66,654
HURRICANES IRMA AND MARIA
IMPACT OF THE HURRICANES IRMA AND MARIA
Hurricane impact, decrease in revenue	3,000	16,200
Decrease in revenue due to disposal of business	$ 1,200	2,300
Payments for restoring and adding resiliency to network		$ 66,700
Percentage of household networks reconnected	66.70%	66.70%
Percentage of business networks reconnected	75.00%	75.00%
High-Cost Support Program \| Grants \| HURRICANES IRMA AND MARIA
IMPACT OF THE HURRICANES IRMA AND MARIA
Revenue	$ 8,200

The amount of decrease in revenue due to disposal of business.

No definition available.

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- Definition

The amount of decrease in revenue due to hurricane.

+ References

No definition available.

+ Details

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- Definition

Cash outflow of hurricane rebuild capital expenditures.

+ References

No definition available.

+ Details

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- Definition

Represents the percentage of business networks connected as of the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

Represents the percentage of household networks connected as of the balance sheet date.

+ References

No definition available.

+ Details

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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.

+ Details

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 32
-Paragraph 2A
-URI http://asc.fasb.org/extlink&oid=82859839&loc=SL82860478-203043

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130543-203045

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130539-203045

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130545-203045

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- Details

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