Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2019

Revenue Recognition [Abstract]

Disaggregation of Revenue

	Years Ended December 31,
	2019		2018		2017
	(in thousands)
Lead generation	$	90,728	$	96,936	$	107,045
Digital advertising
Clicks		19,599		23,387		28,262
Display and other advertising		3,574		4,782		5,880
Other revenues		80		484		938
Total revenues	$	113,981	$	125,589	$	142,125