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Business Acquisition - Additional Information (Details) - Broadsmart Global, Inc. - USD ($) $ in Thousands		9 Months Ended
	May 24, 2019	Oct. 31, 2019
Business Acquisition [Line Items]
Aggregate fair value consideration transferred	$ 7,700
Cash held in escrow	900
Intangible assets	6,107
Acquisition-related transaction costs		$ 300
Customer relationships
Business Acquisition [Line Items]
Intangible assets	$ 5,800
Estimated useful life of intangible assets	7 years
Trade names
Business Acquisition [Line Items]
Intangible assets	$ 300
Maximum
Business Acquisition [Line Items]
Escrow deposit period	2 years

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- Definition

Escrow deposit period.

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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.

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
-Section 30
-Paragraph 8
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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

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-Publisher FASB
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-SubTopic 210
-Section S99
-Paragraph 1
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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.

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