Goodwill and Acquired Intangible Assets - Schedule of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Changes in the carrying amount of goodwill
Beginning balance	$ 1,487,404	$ 1,498,688
Measurement period adjustments related to acquisitions completed in prior years	0	(6,667)
Foreign currency translation	(1,108)	(4,617)
Ending balance	1,600,265	1,487,404
Janrain, Inc.
Changes in the carrying amount of goodwill
Acquisition	92,188	0
Exceda
Changes in the carrying amount of goodwill
Acquisition	14,712	0
ChameleonX
Changes in the carrying amount of goodwill
Acquisition	$ 7,069	$ 0

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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