Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenue Recognition [Abstract]
Lead fees									$ 61,114	$ 90,728	$ 96,936
Advertising - Clicks									13,058	19,599	23,387
Advertising - Display and other advertising									2,383	3,574	4,782
Advertising - Other									15	80	484
Revenues	$ 17,252	$ 17,813	$ 17,033	$ 24,472	$ 26,687	$ 28,552	$ 27,142	$ 31,604	$ 76,570	$ 113,981	$ 125,589