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Description of Business and Summary of Significant Accounting Policies, Cash and Cash Equivalents (Details)	12 Months Ended
	Dec. 31, 2021
Cash and Cash Equivalents [Abstract]
Settlement period for credit and debit card transactions	5 days

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- Definition

Period of time in which amounts due from third-party financial institutions for credit and debit card transactions are settled, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	hvt_SettlementPeriodForCreditAndDebitCardTransactions
Namespace Prefix:	hvt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

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- References

No definition available.

+ Details

Name:	us-gaap_CashAndCashEquivalentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration