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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- 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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- 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

No definition available.

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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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Acquisitions - Bell Acquisition Intangible Assets (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Nov. 02, 2020	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Fair value of intangible assets acquired			$ 1,568
Bell Acquisition
Business Acquisition [Line Items]
Fair value of intangible assets acquired		$ 75,631
Bell Acquisition \| Customer relationships
Business Acquisition [Line Items]
Fair value of intangible assets acquired	$ 75,631
Acquired intangible assets, estimated useful lives (years)	15 years
Weighted-average estimated useful lives (years)	15 years