Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Date the first payment under the line of credit must be paid, in CCYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityDateOfFirstRequiredPayment1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- 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_LineOfCreditFacilityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Annual share repurchase and dividends limit on leverage ratio basis.

+ References

No definition available.

+ Details

Name:	vvi_AnnualShareRepurchaseAndDividendsLimitOnLeverageRatioBasis
Namespace Prefix:	vvi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Credit facility expansion feature.

+ References

No definition available.

+ Details

Name:	vvi_CreditFacilityExpansionFeature
Namespace Prefix:	vvi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Debt covenant interest coverage ratio.

+ References

No definition available.

+ Details

Name:	vvi_DebtCovenantInterestCoverageRatio
Namespace Prefix:	vvi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt covenant leverage ratio.

+ References

No definition available.

+ Details

Name:	vvi_DebtCovenantLeverageRatio
Namespace Prefix:	vvi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Covenant, Leverage Ratio Required for Dividend or Share Activity, Maximum

+ References

No definition available.

+ Details

Name:	vvi_DebtCovenantLeverageRatioRequiredForDividendOrShareActivityMaximum
Namespace Prefix:	vvi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt covenant leverage ratio step up.

+ References

No definition available.

+ Details

Name:	vvi_DebtCovenantLeverageRatioStepUp
Namespace Prefix:	vvi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the fee that was incurred and is payable due to the amendment of a debt agreement.

+ References

No definition available.

+ Details

Name:	vvi_DebtFeeRelatedToAmendment
Namespace Prefix:	vvi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line of credit borrowings used to support letter of credit.

+ References

No definition available.

+ Details

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

- Definition

Line of Credit Facility, Additional Borrowing Capacity

+ References

No definition available.

+ Details

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

- Definition

Line of credit facility amendment description.

+ References

No definition available.

+ Details

Name:	vvi_LineOfCreditFacilityAmendmentDescription
Namespace Prefix:	vvi_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum additional dividend permitted annually on leverage ratio basis.

+ References

No definition available.

+ Details

Name:	vvi_MaximumAdditionalDividendPermittedAnnuallyOnLeverageRatioBasis
Namespace Prefix:	vvi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Minimum amount for material acquisition.

+ References

No definition available.

+ Details

Name:	vvi_MinimumAmountForMaterialAcquisition
Namespace Prefix:	vvi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Minimum liquidity requirement.

+ References

No definition available.

+ Details

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

- Definition

Percent of lenders security interest on capital stock of top tier foreign subsidiary.

+ References

No definition available.

+ Details

Name:	vvi_PercentOfLendersSecurityInterestOnCapitalStockOfTopTierForeignSubsidiary
Namespace Prefix:	vvi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Pledge percentage of capital stock.

+ References

No definition available.

+ Details

Name:	vvi_PledgePercentageOfCapitalStock
Namespace Prefix:	vvi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_UnsecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=vvi_FlyOverIcelandCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=vvi_SecondAmendedAndRestatedCreditAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=vvi_AmendmentNo3CreditAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=vvi_TopTierForeignSubsidiariesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt and Finance Lease Obligations - Narrative (Details) € in Millions				3 Months Ended	6 Months Ended
	Aug. 05, 2020 USD ($)	May 14, 2020	Oct. 24, 2018 USD ($)	Mar. 31, 2020	Jun. 30, 2020	Dec. 31, 2020 USD ($)	Feb. 15, 2019 USD ($)	Feb. 15, 2019 EUR (€)
Scenario Forecast
Line of Credit Facility [Line Items]
Minimum liquidity requirement						$ 100,000,000
Subsequent Event
Line of Credit Facility [Line Items]
Minimum liquidity requirement	$ 125,000,000
Pledge Percentage Of Capital Stock	100.00%
Fees related to the amendment	$ 1,600,000
Subsequent Event \| Unsecured Debt [Member]
Line of Credit Facility [Line Items]
Expansion feature - amount available as incremental revolver	$ 250,000,000
LIBOR rate [Member] \| Subsequent Event
Line of Credit Facility [Line Items]
Variable rate	3.50%
FlyOver Iceland Credit Facility
Line of Credit Facility [Line Items]
Maturity date		Sep. 01, 2022		Mar. 01, 2022
Maximum borrowing capacity on credit facility							$ 5,600,000	€ 5.0
Line of credit facility amendment description					an addendum to the FlyOver Iceland Credit Facility effective May 14, 2020 wherein the principal and interest payments were deferred for six months beginning June 1, 2020, with the first payment due December 1, 2020. The addendum also extended the maturity date to September 1, 2022. There were no other changes to the terms of the FlyOver Iceland Credit Facility.
Line of credit facility, date of first required payment		Dec. 01, 2020
2018 Credit Agreement \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Borrowing capacity on line of credit			$ 450,000,000
Additional borrowing capacity on line of credit			250,000,000
Line of Credit borrowings used to support letter of credit			$ 20,000,000
Maturity date			Oct. 24, 2023
Financial covenants leverage ratio step up			400.00%
Minimum amount for material acquisition			$ 50,000,000
Annual share repurchase and dividends limit on leverage ratio basis			$ 20,000,000
Leverage ratio required for dividend or share activity			275.00%
Maximum additional dividends amount permitted to distribute			$ 15,000,000
Commitment fee percentage on line of credit					0.50%
2018 Credit Agreement \| Revolving Credit Facility \| Minimum [Member]
Line of Credit Facility [Line Items]
Interest coverage ratio			300.00%
Leverage ratio			350.00%
Amendment No.3 Credit Agreement \| Scenario Forecast
Line of Credit Facility [Line Items]
Minimum liquidity requirement						$ 100,000
Amendment No.3 Credit Agreement \| Subsequent Event
Line of Credit Facility [Line Items]
Minimum liquidity requirement	$ 125,000
Pledge Percentage Of Capital Stock	100.00%
Fees related to the amendment	$ 1,600,000
Amendment No.3 Credit Agreement \| Subsequent Event \| Unsecured Debt [Member]
Line of Credit Facility [Line Items]
Expansion feature - amount available as incremental revolver	$ 250,000,000
Amendment No.3 Credit Agreement \| LIBOR rate [Member] \| Subsequent Event
Line of Credit Facility [Line Items]
Variable rate	3.50%
Top Tier Foreign Subsidiaries \| 2018 Credit Agreement \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Percent of lenders security interest on capital stock foreign subsidiary			65.00%