XML 56 R37.htm IDEA: XBRL DOCUMENT
v3.20.1

Commitments and Contingencies (Details) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2004 | Dec. 31, 2002 | Mar. 31, 2020 | Dec. 31, 2019
Business Acquisition [Line Items] |  |  |  |
Local deals and getaway merchant payables |  |  | $ 6.1 | $ 13.0
Travel Zoo Com Corporation |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Period for receiving shares under merger (in years) | 2 years | 2 years |  |
Number of shares exchanged under merger (in shares) |  | 1 |  |

X
- Definition Local deals and getaway merchant payable included in accounts payable. + References No definition available. + Details
Name: | tzoo_LocalDealsAndGetawayMerchantPayableIncludedInAccountsPayable
Namespace Prefix: | tzoo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of shares exchanged under merger. + References No definition available. + Details
Name: | tzoo_NumberofSharesExchangedUnderMerger
Namespace Prefix: | tzoo_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period for receiving shares under merger. + References No definition available. + Details
Name: | tzoo_PeriodForReceivingSharesUnderMerger
Namespace Prefix: | tzoo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=tzoo_TravelZooComCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |