SEGMENT INFORMATION - Revenue Disaggregated by Service (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Revenue	$ 1,030,535	$ 1,185,112	$ 1,358,748
Operating Segments \| U.S.
Segment Reporting Information [Line Items]
Revenue	904,062	1,056,122	1,242,941
Operating Segments \| U.S. \| Lead revenue
Segment Reporting Information [Line Items]
Revenue	587,050	606,560	781,089
Operating Segments \| U.S. \| Advertising revenue
Segment Reporting Information [Line Items]
Revenue	214,920	312,281	290,799
Operating Segments \| U.S. \| Services revenue
Segment Reporting Information [Line Items]
Revenue	72,443	93,521	118,033
Operating Segments \| U.S. \| Membership subscription revenue
Segment Reporting Information [Line Items]
Revenue	29,379	43,076	52,305
Operating Segments \| U.S. \| Other revenue
Segment Reporting Information [Line Items]
Revenue	270	684	715
Operating Segments \| International
Segment Reporting Information [Line Items]
Revenue	126,473	128,990	115,807
Operating Segments \| International \| Lead revenue
Segment Reporting Information [Line Items]
Revenue	123,911	106,324	92,635
Operating Segments \| International \| Membership subscription revenue
Segment Reporting Information [Line Items]
Revenue	838	21,709	22,548
Operating Segments \| International \| Other revenue
Segment Reporting Information [Line Items]
Revenue	$ 1,724	$ 957	$ 624