Quarterly report pursuant to Section 13 or 15(d)

Line of Credit, Short-Term and Long-Term Borrowings - Long-Term Borrowings (Parenthetical) (Detail)

v2.4.1.9
Line of Credit, Short-Term and Long-Term Borrowings - Long-Term Borrowings (Parenthetical) (Detail) (Notes payable to banks [Member], USD $)
 3 Months Ended
Mar. 31, 2015
Modified loan agreement [Member]  
Debt Instrument [Line Items]  
Monthly repayment installment of note payable $ 346,600us-gaap_DebtInstrumentPeriodicPayment
/ us-gaap_DebtInstrumentAxis
= skx_ModifiedLoanAgreementMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Variable interest rate of note payable 3.93%us-gaap_LongTermDebtPercentageBearingVariableInterestRate
/ us-gaap_DebtInstrumentAxis
= skx_ModifiedLoanAgreementMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Balloon payment required under note payable 77,060,000us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid
/ us-gaap_DebtInstrumentAxis
= skx_ModifiedLoanAgreementMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Due date for note payable 2015-10
Frequency of periodic payment Monthly
Master agreement one [Member]  
Debt Instrument [Line Items]  
Monthly repayment installment of note payable 531,400us-gaap_DebtInstrumentPeriodicPayment
/ us-gaap_DebtInstrumentAxis
= skx_MasterAgreementOneMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Fixed interest rate of note payable 3.54%us-gaap_LongTermDebtPercentageBearingFixedInterestRate
/ us-gaap_DebtInstrumentAxis
= skx_MasterAgreementOneMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Balloon payment required under note payable 12,635,000us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid
/ us-gaap_DebtInstrumentAxis
= skx_MasterAgreementOneMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Due date for note payable 2015-12
Frequency of periodic payment Monthly
Master agreement two [Member]  
Debt Instrument [Line Items]  
Monthly repayment installment of note payable 483,900us-gaap_DebtInstrumentPeriodicPayment
/ us-gaap_DebtInstrumentAxis
= skx_MasterAgreementTwoMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Fixed interest rate of note payable 3.19%us-gaap_LongTermDebtPercentageBearingFixedInterestRate
/ us-gaap_DebtInstrumentAxis
= skx_MasterAgreementTwoMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Balloon payment required under note payable 11,670,000us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid
/ us-gaap_DebtInstrumentAxis
= skx_MasterAgreementTwoMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Due date for note payable 2016-06
Frequency of periodic payment Monthly
Equipment agreement [Member]  
Debt Instrument [Line Items]  
Monthly repayment installment of note payable $ 30,500us-gaap_DebtInstrumentPeriodicPayment
/ us-gaap_DebtInstrumentAxis
= skx_EquipmentAgreementMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Fixed interest rate of note payable 5.24%us-gaap_LongTermDebtPercentageBearingFixedInterestRate
/ us-gaap_DebtInstrumentAxis
= skx_EquipmentAgreementMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Due date for note payable 2019-07
Frequency of periodic payment Monthly