XML 161 R124.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Leases and Other - Narrative (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 USD ($)
Leases and Other (Textual) [Abstract] |
Lease expiration period | 40 years
Aggregate purchase obligation | $ 47.6

X
- Definition Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. + References No definition available. + Details
Name: | us-gaap_PurchaseObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Lease expiration period. + References No definition available. + Details
Name: | vvi_LeaseExpirationPeriod
Namespace Prefix: | vvi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Leases and other textual. + References No definition available. + Details
Name: | vvi_LeasesAndOtherTextualAbstract
Namespace Prefix: | vvi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration