Goodwill, Net (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Goodwill [Roll Forward]
Goodwill			$ 2,403,621
Accumulated impairment losses			(7,525)
Goodwill, net	$ 2,396,096
Acquisition	12,301
Measurement period adjustments	(98)
Translation adjustments	(26,990)
Goodwill, net	2,396,096	$ 2,381,309	2,396,096
PIRM
Goodwill [Roll Forward]
Goodwill			1,107,494
Accumulated impairment losses			(600)
Goodwill, net	1,106,894
Acquisition	12,301
Measurement period adjustments	0
Translation adjustments	(26,990)
Goodwill, net	1,106,894	1,092,205	1,106,894
UWS
Goodwill [Roll Forward]
Goodwill			1,296,127
Accumulated impairment losses			(6,925)
Goodwill, net	1,289,202
Acquisition	0
Measurement period adjustments	(98)
Translation adjustments	0
Goodwill, net	$ 1,289,202	$ 1,289,104	$ 1,289,202

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 before 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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