Segment Reporting and Significant Customer Information - Revenue by Type and Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Breakdown of revenues by type and segment
Revenues	$ 70,599	$ 62,712
Travel
Breakdown of revenues by type and segment
Revenues	62,524	54,012
Local
Breakdown of revenues by type and segment
Revenues	4,598	5,354
Travelzoo North America
Breakdown of revenues by type and segment
Revenues	47,667	42,046
Travelzoo North America | Travel
Breakdown of revenues by type and segment
Revenues	44,471	38,834
Travelzoo North America | Local
Breakdown of revenues by type and segment
Revenues	3,196	3,212
Travelzoo Europe
Breakdown of revenues by type and segment
Revenues	19,455	17,320
Travelzoo Europe | Travel
Breakdown of revenues by type and segment
Revenues	18,053	15,178
Travelzoo Europe | Local
Breakdown of revenues by type and segment
Revenues	1,402	2,142
Jack's Flight Club
Breakdown of revenues by type and segment
Revenues	$ 3,477	$ 3,346