Product and Geographic Sales Information - Adjusted EBITDA by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Total Adjusted EBITDA	$ 164,833	$ 78,222
Benefit (provision) for income taxes	(3,569)	(14,753)
Depreciation and amortization	(131,654)	(51,441)
Interest, net	(37,393)	(30,940)
Transition services agreement costs	0	(1,551)
Transition, transformation and integration expense	(46)	(2,228)
Deferred revenues adjustment	(3,024)	(1,882)
Transaction related costs	26,639	(26,689)
Share-based compensation expense	(10,660)	(17,469)
Restructuring and impairment	(64,667)	(7,754)
Impairment of Long-Lived Assets to be Disposed of			$ 18,431
Other	(15,628)	2,484
Net income attributable to Clarivate	(23,954)	(129,633)
Fair Value Adjustment of Warrants	51,215	(55,632)
Science Segment
Segment Reporting Information [Line Items]
Total Adjusted EBITDA	90,594	63,954
Intellectual Property Segment
Segment Reporting Information [Line Items]
Total Adjusted EBITDA	$ 74,239	$ 14,268