Number of quarterly installments for share based payment awards.

No definition available.

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- Definition

Number of vesting schedules.

+ References

No definition available.

+ Details

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements.

+ References

No definition available.

+ Details

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

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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

Percentage of vesting of award under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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Stock-Based Compensation - Restricted Stock Units (Details) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Sep. 30, 2018 installment tranche	Jul. 31, 2019 USD ($)	Jul. 31, 2018 USD ($)	Jul. 31, 2019 USD ($) tranche installment	Jul. 31, 2018 USD ($)	Jan. 31, 2019 USD ($)
Stock Based Compensation
Total stock-based compensation expense \| $		$ 29,859	$ 2,224	$ 33,611	$ 3,943
RSUs
Stock Based Compensation
Total unrecognized stock-based compensation expenses related to unvested RSUs \| $		83,200		$ 83,200		$ 51,900
Expected to be amortized over weighted-average vesting period (in years)				2 years 2 months 12 days		2 years 2 months 12 days
Service-based vesting
Stock Based Compensation
Number of vesting schedules \| tranche	3			3
Performance-based vesting
Stock Based Compensation
Stock-based compensation expense deferred \| $		$ 17,300		$ 17,300
Vesting one \| Service-based vesting \| On first Company vest date
Stock Based Compensation
Vesting percentage	25.00%
Vesting one \| Service-based vesting \| On or following one year anniversary
Stock Based Compensation
Number of quarterly installments \| installment	12			12
Vesting two \| Service-based vesting
Stock Based Compensation
Number of quarterly installments \| installment	16			16
Vesting three \| Service-based vesting
Stock Based Compensation
Number of quarterly installments \| installment	8			8