REVENUE (Details) $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2018 USD ($) agreement	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Term of contract		1 year
Revenue		$ 5,020	$ 10,053
Revenue recognized			300
Cost of revenue		3,514	12,903
Revenue not yet recognized	$ 5,762	1,964	5,762
Liability for amounts payable	$ 16,812	14,326	16,812
AI-based products and services
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue		3,595	4,292
FinTech services
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue		0	3,738
Advertising and other
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue		1,425	2,023
AI Solutions
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue		$ 1,100
Number of contracts completed | agreement	2
Cost of revenue	$ 4,000
Revenue not yet recognized	4,600		4,600
Liability for amounts payable	$ 4,600		$ 4,600