ACQUISITIONS - Pro Forma Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Actual
Total revenues		$ 1,993,089		$ 5,866,522
Net income attributable to Global Payments	$ 220,971	95,044	$ 401,876	327,842
Pro Forma
Revenues	$ 1,917,815	1,105,941	$ 5,493,365	2,924,131
Net income attributable to Global Payments		$ 219,010		$ 614,317