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Business Combinations - Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended	9 Months Ended
	Aug. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Business Acquisition [Line Items]
Cash paid upon closing of acquisition		$ 334	$ 2,000
Xirrus Wi-Fi Business
Business Acquisition [Line Items]
Cash paid upon closing of acquisition	$ 2,000
Additional contingent consideration on attaining booking targets related to product sales	$ 3,000

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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

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479

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