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GOODWILL AND ACQUIRED INTANGIBLES - Goodwill (Details) - USD ($) $ in Thousands			3 Months Ended	6 Months Ended	12 Months Ended
	Oct. 01, 2023	Oct. 01, 2022	Dec. 31, 2024	Jun. 30, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Goodwill [Roll Forward]
Goodwill, Beginning Balance				$ 742,516	$ 277,202	$ 352,721	$ 742,516
Goodwill impairment		$ (313,100)			(117,773)	(70,518)	(396,242)
Divestiture of Entertainment						(5,001)
Goodwill additions							5,062
Measurement period adjustments							1,385
Goodwill, Ending Balance			$ 159,429		159,429	277,202	352,721
Cardlytics Platform
Goodwill [Roll Forward]
Goodwill, Beginning Balance				205,690	159,429	164,430	205,690
Goodwill impairment					0	0	(46,262)
Divestiture of Entertainment						(5,001)
Goodwill additions							5,062
Measurement period adjustments							(60)
Goodwill, Ending Balance			159,429		159,429	159,429	164,430
Bridg Platform
Goodwill [Roll Forward]
Goodwill, Beginning Balance				536,826	117,773	188,291	536,826
Goodwill impairment	$ (70,500)		(117,800)	(83,100)	(117,773)	(70,518)	(349,980)
Divestiture of Entertainment						0
Goodwill additions							0
Measurement period adjustments							1,445
Goodwill, Ending Balance			$ 0	$ 455,100	$ 0	$ 117,773	$ 188,291

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