GOODWILL AND ACQUIRED INTANGIBLES - Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	May 05, 2021
Goodwill [Roll Forward]
Balance as of December 31, 2021	$ 742,516
Goodwill additions	5,062
Balance as of March 31, 2022	747,578
Finite-Lived Intangible Assets [Line Items]
Goodwill	747,578
Goodwill additions	5,062
Bridg Acquisition
Goodwill [Roll Forward]
Balance as of December 31, 2021	536,826
Goodwill additions	0
Balance as of March 31, 2022	536,826
Finite-Lived Intangible Assets [Line Items]
Goodwill	536,826	$ 536,826
Goodwill additions	0
cardlytics platform
Goodwill [Roll Forward]
Balance as of December 31, 2021	205,690
Goodwill additions	5,062
Balance as of March 31, 2022	210,752
Finite-Lived Intangible Assets [Line Items]
Goodwill	210,752
Goodwill additions	$ 5,062