REVENUE (Tables)

6 Months Ended

Jun. 30, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue [Table Text Block]

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2021		2020		2021
Cost per Served Sale	$	20,353	$	37,903	$	51,199	$	75,475
Cost per Redemption	7,339		18,453		21,407		33,760
Other	530		407		1,125		758
Cardlytics platform revenue	$	28,222	$	56,763	$	73,731	$	109,993

Bridg platform

We generate revenue through the sale of subscriptions to our cloud-based customer data Bridg platform and the delivery of professional services, such as implementation and onboarding.