SEGMENT INFORMATION (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) segment	Sep. 30, 2020 USD ($)
Segment Information
Number of operating segments | segment			3
Number of reportable segments | segment			3
Revenue	$ 297,450	$ 220,251	$ 840,214	$ 687,661
Segment marketing expense	184,510	136,393	525,327	406,257
Segment profit (loss)	112,940	83,858	314,887	281,404
Cost of revenue	15,020	13,220	42,849	39,850
Brand and other marketing expense	21,965	18,277	63,816	58,958
General and administrative expense	40,126	33,705	114,926	94,276
Product development	13,384	11,477	39,142	33,252
Depreciation	4,808	3,535	12,969	10,463
Amortization of intangibles	10,345	13,090	32,967	40,603
Change in fair value of contingent consideration	(196)	6,658	(8,249)	7,711
Severance	47		47	190
Litigation settlements and contingencies	22	13	360	(983)
Operating income (loss)	7,419	(16,117)	16,060	(2,916)
Interest expense, net	(11,826)	(16,617)	(31,881)	(26,406)
Other income	0	0	40,072	7
(Loss) income before income taxes	(4,407)	(32,734)	24,251	(29,315)
Home
Segment Information
Revenue	112,422	78,859	345,408	232,156
Segment marketing expense	70,905	53,693	225,884	132,353
Segment profit (loss)	41,517	25,166	119,524	99,803
Consumer
Segment Information
Revenue	100,011	48,377	233,594	205,419
Segment marketing expense	55,295	26,730	130,877	121,271
Segment profit (loss)	44,716	21,647	102,717	84,148
Insurance
Segment Information
Revenue	84,837	92,500	260,714	248,156
Segment marketing expense	58,227	55,457	168,024	150,458
Segment profit (loss)	26,610	37,043	92,690	97,698
Other
Segment Information
Revenue	180	515	498	1,930
Segment marketing expense	83	513	542	2,175
Segment profit (loss)	$ 97	$ 2	$ (44)	$ (245)