GOODWILL AND INTANGIBLE ASSETS - Goodwill by Reporting Unit (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill
Balance at the beginning of the period	$ 1,270,532	$ 1,239,839
Additions	1,243,063	0
Foreign Exchange Translation	(101,599)	30,948
Other	0	(255)
Balance at the end of the period	$ 2,411,996	$ 1,270,532