Annual report pursuant to Section 13 and 15(d)

Summary Of Significant Accounting Policies Summary Of Significant Accounting Policies (Schedule Of Accounts Receivable, Net) (Details)

v2.4.1.9
Summary Of Significant Accounting Policies Summary Of Significant Accounting Policies (Schedule Of Accounts Receivable, Net) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable, net $ 317,785us-gaap_ReceivablesNetCurrent $ 265,115us-gaap_ReceivablesNetCurrent
Other Receivable [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable, net 28,307us-gaap_ReceivablesNetCurrent
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hsni_OtherReceivableMember
20,685us-gaap_ReceivablesNetCurrent
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= hsni_OtherReceivableMember
Credit card companies [Member] | Trade Accounts Receivables [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable, net 17,865us-gaap_ReceivablesNetCurrent
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_TradeAccountsReceivableMember
/ us-gaap_AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyTypeAxis
= us-gaap_CreditCardIntermediaryReceivablesMember
21,447us-gaap_ReceivablesNetCurrent
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_TradeAccountsReceivableMember
/ us-gaap_AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyTypeAxis
= us-gaap_CreditCardIntermediaryReceivablesMember
Flexpay and other customer-related [Member] | Trade Accounts Receivables [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable, net $ 271,613us-gaap_ReceivablesNetCurrent
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_TradeAccountsReceivableMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerOtherFinancingReceivableMember
$ 222,983us-gaap_ReceivablesNetCurrent
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= us-gaap_TradeAccountsReceivableMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerOtherFinancingReceivableMember