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Consolidated Sponsored Investment Products - Reconciliation of Assets Related to Consolidated Sponsored Investment Products (Detail) (Debt Securities [Member], USD $) | 3 Months Ended
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Mar. 31, 2015
Debt Securities [Member] |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
Beginning balance | $ 1,065,000 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue / us-gaap_InvestmentTypeAxis = us-gaap_DebtSecuritiesMember
Paydowns | (1,000)vrts_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsPaydowns / us-gaap_InvestmentTypeAxis = us-gaap_DebtSecuritiesMember
Transferred to Level 2 | (152,000)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3 / us-gaap_InvestmentTypeAxis = us-gaap_DebtSecuritiesMember
Change in unrealized gain/loss | 1,000 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease / us-gaap_InvestmentTypeAxis = us-gaap_DebtSecuritiesMember
Ending balance | $ 913,000 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue / us-gaap_InvestmentTypeAxis = us-gaap_DebtSecuritiesMember

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- Details
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- Definition Amount of increase (decrease) of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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Balance Type: | debit
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- Definition Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Assets Paydowns + References No definition available. + Details
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Namespace Prefix: | vrts_
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Balance Type: | debit
Period Type: | duration