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Common Stock Repurchases - Narrative (Details) (USD $) | 12 Months Ended | 1 Months Ended
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Feb. 28, 2015
Common Stock Repurchases (Textual) [Abstract] |  |  |  |
Repurchased shares | 448,436 us-gaap_TreasuryStockSharesAcquired | 0 us-gaap_TreasuryStockSharesAcquired |  |
Common stock purchased for treasury | $ 10,600,000 vvi_PaymentsforCommonStock |  |  |
Shares remain available for repurchase | 582,002 us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased |  |  |
Repurchased shares tax withholding | 72,996 us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation | 50,156 us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation | 56,885 us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation |
Share repurchased relating to tax withholding requirements | 1,800,000 us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation | 1,300,000 us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation | 1,100,000 us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation |
Payments for Repurchase of Common Stock | 12,321,000 us-gaap_PaymentsForRepurchaseOfCommonStock | 1,328,000 us-gaap_PaymentsForRepurchaseOfCommonStock | 1,656,000 us-gaap_PaymentsForRepurchaseOfCommonStock |
Subsequent Event |  |  |  |
Common Stock Repurchases (Textual) [Abstract] |  |  |  |
Stock Repurchased |  |  |  | 141,462 us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Payments for Repurchase of Common Stock |  |  |  | $ 3,800,000 us-gaap_PaymentsForRepurchaseOfCommonStock / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember

X
- Definition The amount of adjustment to stockholders' equity associated with an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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Balance Type: | credit
Period Type: | duration

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- Definition For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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Balance Type: | na
Period Type: | duration

X
- Definition The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
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Period Type: | instant

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- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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- Details
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- Definition Payments for Common Stock + References No definition available. + Details
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- Details
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