Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2020

Revenue Recognition [Abstract]

Disaggregation of Revenue

	Years Ended December 31,
	2020		2019		2018
	(in thousands)
Lead generation	$	61,114	$	90,728	$	96,936
Digital advertising
Clicks		13,058		19,599		23,387
Display and other advertising		2,383		3,574		4,782
Other revenues		15		80		484
Total revenues	$	76,570	$	113,981	$	125,589