Restatement of previously issued financial statements (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Non-controlling interest	$ 0		$ 4,600
Stockholders’ equity:
Total Travelzoo stockholders’ equity (deficit)	616		(4,232)	$ 1,871	$ 1,002	$ 1,891
Non-controlling interest	4,636
Total stockholders’ equity (deficit)	5,252	$ 6,065	(4,232)
Statement of Stockholders' Equity [Abstract]
Total Travelzoo stockholders’ equity	616		(4,232)	$ 1,871	$ 1,002	$ 1,891
Non-controlling interest	4,636
Total stockholders’ equity	5,252	$ 6,065	$ (4,232)
As Reported
Statement of Financial Position [Abstract]
Non-controlling interest	4,636
Stockholders’ equity:
Total Travelzoo stockholders’ equity (deficit)	616
Non-controlling interest	0
Total stockholders’ equity (deficit)	616
Statement of Stockholders' Equity [Abstract]
Total Travelzoo stockholders’ equity	616
Non-controlling interest	0
Total stockholders’ equity	616
Adjustments
Statement of Financial Position [Abstract]
Non-controlling interest	(4,636)
Stockholders’ equity:
Total Travelzoo stockholders’ equity (deficit)	0
Non-controlling interest	4,636
Total stockholders’ equity (deficit)	4,636
Statement of Stockholders' Equity [Abstract]
Total Travelzoo stockholders’ equity	0
Non-controlling interest	4,636
Total stockholders’ equity	$ 4,636