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Accounts Receivable (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
State
Dec. 31, 2014
Mar. 31, 2014
Accounts Receivable [Abstract]      
Percentage of amounts financed under in-house credit programs, as a percent of net sales (in hundredths) 2.90%hvt_PercentageOfAmountsFinancedUnderInHouseCreditProgramsAsPercentOfNetSales   3.30%hvt_PercentageOfAmountsFinancedUnderInHouseCreditProgramsAsPercentOfNetSales
Duration of no interest credit programs 12 months    
Term of other programs, minimum 30 days    
Term of other programs, maximum 3 years    
Interest rate of other programs, minimum (in hundredths) 0.00%hvt_InterestRateOfOtherProgramsAtMinimum    
Interest rate of other programs, maximum (in hundredths) 21.00%hvt_InterestRateOfOtherProgramsAtMaximum    
Accounts receivable due per scheduled payment [Abstract]      
Accounts receivables collectible in one year $ 6.5hvt_AccountsReceivablesCollectibleInOneYear    
Accounts receivables collectible in two years 0.7hvt_AccountsReceivablesCollectibleInTwoYears    
Accounts receivables collectible beyond two years 0.2hvt_AccountsReceivablesCollectibleBeyondTwoYears    
Allowance for doubtful accounts $ 0.3us-gaap_AllowanceForDoubtfulAccountsReceivable $ 0.4us-gaap_AllowanceForDoubtfulAccountsReceivable  
Account write-off period 9 months    
Number of states in which accounts receivable originated 16hvt_NumberOfStatesInWhichAccountsReceivableOriginated