RELATED PARTY TRANSACTIONS WITH IAC - Narrative (Details) - USD ($)	3 Months Ended		12 Months Ended
	Dec. 31, 2024	Dec. 31, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Related Party Transaction [Line Items]
Accounts payable	$ 18,319,000		$ 18,319,000	$ 29,467,000
Revenue			1,185,112,000	1,358,748,000	$ 1,764,355,000
Accounts receivable, net	$ 36,670,000		36,670,000	51,100,000
Advertising expense			$ 333,300,000	459,400,000	558,400,000
Employee Matters Agreement
Related Party Transaction [Line Items]
Voting interest (as a percent)	80.00%		80.00%
Chief Executive Officer
Related Party Transaction [Line Items]
Related party transactions		$ 2,100,000	$ 2,400,000	9,400,000
IAC | Services Agreement
Related Party Transaction [Line Items]
Related party transactions			3,900,000	6,400,000	3,800,000
Accounts payable	$ 0		0	0
IAC | Tax Sharing Agreement
Related Party Transaction [Line Items]
Related party transactions			5,100,000	0	0
Accounts payable	1,600,000		1,600,000	2,100,000
IAC | Sublease Agreement
Related Party Transaction [Line Items]
Related party transactions			1,400,000	1,300,000	1,300,000
Accounts payable	0		0	0
Revenue	100,000		100,000	600,000	1,700,000
Accounts receivable, net	0		0	0
Related Party
Related Party Transaction [Line Items]
Accounts payable	$ 0		0	2,200,000
Advertising expense			$ 1,100,000	$ 6,500,000	$ 7,000,000.0