Restructuring Charges - Narrative (Details) $ in Millions	Sep. 30, 2020 USD ($)
Restructuring And Related Activities [Abstract]
Payments of liabilities related to severance and employee benefits	$ 1.5

Payment of liabilities related to severance and employee benefits.

No definition available.

Name:	vvi_PaymentsOfLiabilitiesRelatedToSeveranceAndEmployeeBenefits
Namespace Prefix:	vvi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant