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ACCOUNTS RECEIVABLE (Details) (USD $)
 12 Months Ended
Dec. 31, 2014
State
Dec. 31, 2013
Dec. 31, 2012
ACCOUNTS RECEIVABLE [Abstract]      
Percentage of amounts financed under in-house credit programs, as a percent of net sales including sales tax (in hundredths) 3.20%hvt_PercentageOfAmountsFinancedUnderInHouseCreditProgramsAsPercentOfNetSales 3.60%hvt_PercentageOfAmountsFinancedUnderInHouseCreditProgramsAsPercentOfNetSales 4.60%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 $ 7,351,000hvt_AccountsReceivablesCollectibleInOneYear    
Accounts receivables collectible in two years 712,000hvt_AccountsReceivablesCollectibleInTwoYears    
Accounts receivables collectible in three years 133,000hvt_AccountsReceivablesCollectibleInThreeYears    
Accounts receivables collectible in four years 31,000hvt_AccountsReceivablesCollectibleInFourYears    
Allowance for doubtful accounts $ 350,000us-gaap_AllowanceForDoubtfulAccountsReceivable $ 350,000us-gaap_AllowanceForDoubtfulAccountsReceivable  
Account write-off period 9 months    
Number of states in which accounts receivable originated 16hvt_NumberOfStatesInWhichAccountsReceivableOriginated