BUSINESS DEVELOPMENT - Business Combination, Schedule of Purchase Price Allocation (Details) - USD ($) $ in Thousands	Jul. 29, 2019	Mar. 31, 2020	Dec. 31, 2019
Intangible assets:
Goodwill		$ 951,554	$ 954,280
Arkis
Business Acquisition [Line Items]
Cash	$ 90
Other current assets	751
Property, plant and equipment	159
Deferred tax assets	1,535
Intangible assets:
Goodwill	27,600
Total assets acquired	52,215
Accounts payable, accrued expenses and other liabilities	2,926
Contingent consideration	13,100		$ 13,200
Deferred tax liabilities	5,305
Net assets acquired	30,884
Arkis | CerebroFlo developed technology
Intangible assets:
Intangible assets	$ 20,100
Weighted Average Life	15 years
Arkis | Enabling technology license
Intangible assets:
Intangible assets	$ 1,980
Weighted Average Life	14 years