Commitments and Contingencies (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2004	Dec. 31, 2002	Aug. 20, 2015
Loss Contingencies
Release of reserve related to anticipated settlement agreements	$ 0	$ 0	$ 7,583,000
Charge in general and administrative expenses	2,000	1,000	6,000
Operating leases, rent expense	5,300,000	$ 5,800,000	6,000,000
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity
2017	5,519,000
2018	4,584,000
2019	4,032,000
2020	3,582,000
2021	3,003,000
Thereafter	5,503,000
Total	26,223,000
Purchase Obligation, Fiscal Year Maturity
2017	733,000
2018	508,000
2019	0
2020	0
2021	0
Thereafter	0
Total	1,241,000
Contractual Obligation, Fiscal Year Maturity
Total Commitments, Due in Next Twelve Months	6,252,000
Total Commitments, Due in Second Year	5,092,000
Total Commitments, Due in Third Year	4,032,000
Total Commitments, Due in Fourth Year	3,582,000
Total Commitments, Due in Fifth Year	3,003,000
Total Commitments, Due after Fifth Year	5,503,000
Total Commitments	$ 27,464,000
Majority Shareholder | Travelzoo Europe Promissory Note
Loss Contingencies
Related party debt									$ 5,700,000.0
Stated percentage (percentage)									7.00%
Pending Litigation | Unclaimed Property Audits Related to Unexchanged Promotional Shares
Loss Contingencies
Charge related to unclaimed property review				$ 22,000,000	$ 3,000,000	$ 20,000,000
Release of reserve related to anticipated settlement agreements			$ 7,600,000
Travel Zoo Com Corporation
Loss Contingencies
Period for receiving shares under merger (in years)							2 years	2 years
Number of shares exchanged under merger								1