Business Combinations - Summary of Major Classes of Assets and Liabilities Allocated the Purchase Price (Details) - USD ($) $ in Thousands	Oct. 31, 2019	May 06, 2019	Jan. 31, 2019	Dec. 07, 2018	Oct. 12, 2018	Aug. 01, 2018
Business Acquisition [Line Items]
Goodwill	$ 370,869		$ 209,560
Exari
Business Acquisition [Line Items]
Cash and cash equivalents		$ 6,337
Accounts receivable		8,181
Intangible assets		57,000
Other assets		5,792
Goodwill		161,512
Accounts payable and other current liabilities		(4,982)
Deferred revenue		(4,565)
Deferred tax liability, net		(10,943)
Other non-current liabilities		(3,716)
Total consideration		$ 214,616
Hiperos, LLC
Business Acquisition [Line Items]
Cash and cash equivalents				$ 167
Accounts receivable				3,904
Intangible assets				17,585
Other assets				1,025
Goodwill				83,891
Accounts payable and other current liabilities				(2,792)
Deferred revenue				(7,938)
Other non-current liabilities				(1,000)
Total consideration				$ 94,842
Aquiire
Business Acquisition [Line Items]
Accounts receivable					$ 1,511
Intangible assets					12,400
Other assets					1,104
Goodwill					42,101
Accounts payable and other current liabilities					(1,610)
Deferred revenue					(2,609)
Deferred tax liability, net					(3,377)
Total consideration					$ 49,520
DCR
Business Acquisition [Line Items]
Other current assets						$ 46
Intangible assets						12,800
Goodwill						39,361
Total consideration						$ 52,207