SEGMENT INFORMATION - Summary of Significant Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Cost of revenue	$ 57,578	$ 62,547	$ 337,396
Total expenses	1,039,797	1,240,270	1,697,876
Domestic
Segment Reporting Information [Line Items]
Consumer marketing expense	309,139	435,620	520,744
Professional acquisition expense	233,645	274,209	296,374
Fixed expense	206,687	212,837	226,030
Variable expense	124,150	155,776	218,644
Cost of revenue	53,139	59,095	334,565
Total expenses	926,760	1,137,537	1,596,357
International
Segment Reporting Information [Line Items]
Consumer marketing expense	15,346	12,906	20,304
Professional acquisition expense	22,326	21,769	21,418
Fixed expense	51,393	48,422	46,064
Variable expense	19,533	16,184	10,902
Cost of revenue	4,439	3,452	2,831
Total expenses	$ 113,037	$ 102,733	$ 101,519