Acquisitions - Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 02, 2020	Jan. 08, 2020
Trade names \| Packet Host, Inc.
Business Acquisition [Line Items]
Fair Value	$ 1,600
Estimated Useful Lives (Years)	3 years
Weighted-average Estimated Useful Lives (Years)	3 years
Existing technology \| Packet Host, Inc.
Business Acquisition [Line Items]
Fair Value	$ 5,100
Estimated Useful Lives (Years)	3 years
Weighted-average Estimated Useful Lives (Years)	3 years
Customer relationships \| Packet Host, Inc.
Business Acquisition [Line Items]
Fair Value	$ 61,900
Estimated Useful Lives (Years)	10 years
Weighted-average Estimated Useful Lives (Years)	10 years
Customer relationships \| Axtel
Business Acquisition [Line Items]
Fair Value		$ 22,750
Estimated Useful Lives (Years)		15 years
Weighted-average Estimated Useful Lives (Years)		15 years

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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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

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
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