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v2.4.1.9

Long-Term Debt - Notes Payable to BMI - Additional Information (Detail) (USD $) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Jan. 31, 2013
Debt Instrument [Line Items] |  |  |
Cash Collateral | $ 13,900,000 us-gaap_RestrictedCashAndCashEquivalentsNoncurrent | $ 33,300,000 us-gaap_RestrictedCashAndCashEquivalentsNoncurrent |
Total debt | 934,100,000 us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities | 752,500,000 us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities |
BMI | Bank note payable |  |  |
Debt Instrument [Line Items] |  |  |
Note payable, secured |  |  | 11,900,000 us-gaap_SecuredDebt / dei_LegalEntityAxis = vhi_BmiMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember
Cash Collateral |  |  | 750,000 us-gaap_RestrictedCashAndCashEquivalentsNoncurrent / dei_LegalEntityAxis = vhi_BmiMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember
Periodic principal payments | 100,000 us-gaap_DebtInstrumentPeriodicPaymentPrincipal / dei_LegalEntityAxis = vhi_BmiMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember |  |
Loans maturity period | Jan. 31, 2025 |  |
Frequency of debt instrument payment | Monthly |  |
Interest rate terms | The note bears interest at a variable rate equal to the prime rate with a floor of 3.25% and a ceiling of 9.0%. |  |
Percentage of average interest rate, during period | 3.25%us-gaap_DebtInstrumentInterestRateDuringPeriod / dei_LegalEntityAxis = vhi_BmiMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember |  |
Total debt | $ 10,300,000 us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities / dei_LegalEntityAxis = vhi_BmiMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember | $ 11,200,000 us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities / dei_LegalEntityAxis = vhi_BmiMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember |
BMI | Bank note payable | Maximum |  |  |
Debt Instrument [Line Items] |  |  |
Percentage of average interest rate, during period | 9.00%us-gaap_DebtInstrumentInterestRateDuringPeriod / dei_LegalEntityAxis = vhi_BmiMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |
BMI | Bank note payable | Minimum |  |  |
Debt Instrument [Line Items] |  |  |
Percentage of average interest rate, during period | 3.25%us-gaap_DebtInstrumentInterestRateDuringPeriod / dei_LegalEntityAxis = vhi_BmiMember / us-gaap_LongtermDebtTypeAxis = us-gaap_NotesPayableToBanksMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |

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- Definition Description of the frequency of periodic payments (monthly, quarterly, annual). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 + Details
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- Definition The average effective interest rate during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- 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/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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=6877327&loc=d3e13212-122682 + Details
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- Definition Cash and equivalents whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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