Acquisitions, Goodwill and Intangible Assets - Schedule of Assets Acquired (Accurics and Alsid) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Oct. 31, 2021	Apr. 30, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Goodwill	$ 261,614			$ 54,414
Accurics
Business Acquisition [Line Items]
Accounts receivable		$ 180
Prepaid expenses and other assets		341
Intangible assets		33,390
Goodwill		134,909
Accounts payable, accrued expenses and accrued compensation		(719)
Deferred revenue		(188)
Deferred tax liabilities, net		(7,937)
Total purchase price allocation		$ 159,976
Alsid
Business Acquisition [Line Items]
Accounts receivable			$ 4,105
Prepaid expenses and other assets			2,304
Intangible assets			31,400
Goodwill			72,291
Accounts payable, accrued expenses and accrued compensation			(3,794)
Deferred revenue			(3,699)
Deferred tax liabilities, net			(4,118)
Total purchase price allocation			$ 98,489