Business Combinations - Components of Identifiable Intangible Assets Acquired and Their Estimated Useful Lives (Details) - USD ($) $ in Thousands	1 Months Ended
Feb. 28, 2019	Apr. 30, 2018
Retrofit
Business Acquisition [Line Items]
Cost		$ 5,580
Retrofit \| Customer relationships
Business Acquisition [Line Items]
Cost		$ 3,890
Useful Life		10 years
Retrofit \| Developed technology
Business Acquisition [Line Items]
Cost		$ 1,650
Useful Life		5 years
Retrofit \| Trade name
Business Acquisition [Line Items]
Cost		$ 40
Useful Life		2 years
myStrength
Business Acquisition [Line Items]
Cost	$ 13,900
myStrength \| Customer relationships
Business Acquisition [Line Items]
Cost	$ 4,300
Useful Life	7 years
myStrength \| Developed technology
Business Acquisition [Line Items]
Cost	$ 9,200
Useful Life	7 years
myStrength \| Trade name
Business Acquisition [Line Items]
Cost	$ 400
Useful Life	5 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

+ 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 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
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

+ Details

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- Details

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- Details

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