REVENUE - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of Revenue [Line Items]
Revenue	$ 270,014	$ 184,326	$ 542,764	$ 467,410
Other
Disaggregation of Revenue [Line Items]
Revenue	214	166	318	1,415
Home
Disaggregation of Revenue [Line Items]
Revenue	104,861	74,123	232,986	153,297
Consumer
Disaggregation of Revenue [Line Items]
Revenue	75,676	37,118	133,583	157,042
Consumer | Credit Cards
Disaggregation of Revenue [Line Items]
Revenue	22,424	7,194	40,061	58,780
Consumer | Personal Loans
Disaggregation of Revenue [Line Items]
Revenue	25,208	8,827	40,076	40,336
Consumer | Other Consumer
Disaggregation of Revenue [Line Items]
Revenue	28,044	21,097	53,446	57,926
Insurance
Disaggregation of Revenue [Line Items]
Revenue	$ 89,263	$ 72,919	$ 175,877	$ 155,656