Skechers U.S.A., Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

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

Line of Credit, Short-Term and Long-Term Borrowings - Additional Information (Detail)						6 Months Ended
	Oct. 24, 2018 USD ($) Installment	Oct. 19, 2018 CNY (¥)	Sep. 29, 2018 CNY (¥)	Sep. 20, 2018 CNY (¥)	Aug. 11, 2015 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)	Jun. 30, 2015 USD ($)	Nov. 16, 2012 USD ($)	Apr. 30, 2010 USD ($)
Debt Instrument [Line Items]
Outstanding letters of credit						$ 3,700,000	$ 3,200,000
Short-term borrowings						$ 9,998,000	7,222,000
Derivative effective dates						Aug. 12, 2015
Long-term borrowings						$ 104,010,000	89,785,000
Current installments of long-term borrowings						3,986,000	1,666,000
Long-term borrowings, excluding current installments						100,024,000	88,119,000
Modification Loan [Member]
Debt Instrument [Line Items]
Long-term borrowings						64,400,000
Current installments of long-term borrowings						1,500,000
Long-term borrowings, excluding current installments						$ 62,900,000
Line of Credit [Member]
Debt Instrument [Line Items]
Maximum amount of credit facility								$ 250,000,000.0
Line of credit facility, interest rate						Borrowings bear interest at the Company’s election based on (a) LIBOR or (b) the greater of (i) the Prime Rate, (ii) the Federal Funds Rate plus 0.5% and (iii) LIBOR for a 30-day period plus 1.0%, in each case, plus an applicable margin based on the average daily principal balance of revolving loans available under the Credit Agreement.
Line of credit facility, expiration period						5 years
Line of credit facility, outstanding amount						$ 100,000	100,000
Maturity date of credit agreement						Jun. 30, 2020
Unused line of credit fee						0.25%
Line of Credit [Member] \| Other Assets [Member]
Debt Instrument [Line Items]
Debt closing and arrangement fees						$ 1,100,000
Line of Credit [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Line of credit, increase								$ 100,000,000.0
LIBOR Loans [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Interest rate of line of credit agreement						1.00%
Federal Funds Rate [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Interest rate of line of credit agreement						0.50%
China USD Loan Agreement [Member]
Debt Instrument [Line Items]
Maximum amount of credit facility	$ 17,500,000
Line of credit facility, interest rate						Interest will be paid at one, two or three months, depending on the period of the drawdown. The interest rate will be based upon the London Interbank Offered Rate (“LIBOR”) plus 1.2% per annum.
Line of credit facility, frequency of payment and payment term						the principal of the loan will be repayable by fifteen equal quarterly installments of $437,550, commencing fifteen months after drawdown plus a final installment of $10,937,500.
Number of quarterly installments \| Installment	15
Line of credit facility, quarterly principal payment	437,550
Line of credit facility, final principal payment	$ 10,937,500
Line of credit facility, expiration period	5 years
Line of credit facility, outstanding amount						$ 0
China USD Loan Agreement [Member] \| LIBOR Loans [Member]
Debt Instrument [Line Items]
Interest rate of line of credit agreement	1.20%
China DC Revolving Loan Agreement [Member]
Debt Instrument [Line Items]
Maximum amount of credit facility \| ¥		¥ 50,000,000
Line of credit facility, outstanding amount						$ 0
Debt instrument maturity date		Oct. 18, 2019
China DC Loan Agreement [Member]
Debt Instrument [Line Items]
Maximum amount of credit facility \| ¥			¥ 700,000,000
Line of credit facility, frequency of payment and payment term						Interest is paid quarterly. The interest rate was 4.28% at June 30, 2019, which floats and is calculated at a reference rate provided by the People’s Bank of China. The interest rate may increase or decrease over the life of the loan, and will be evaluated every 12 months. The principal of the loan will be repaid in semi-annual installments, beginning in 2021, of variable amounts as specified in the China DC Loan Agreement.
Line of credit facility, outstanding amount						$ 33,800,000
Debt instrument maturity date			Sep. 28, 2023
Debt instrument variable rate			4.28%
Revolving Loan Agreement [Member]
Debt Instrument [Line Items]
Maximum amount of credit facility \| ¥				¥ 125,000,000
Line of credit facility, interest rate						Interest will be paid at one, two or three months, depending on the term of each loan. The interest rate will be equal to 100% of the applicable People’s Bank of China (“PBOC”) Benchmark Lending Rate, provided that if the PBOC Benchmark Lending Rate changes during the term of a loan, the applicable interest rate for that loan will not change until the next rollover date of that loan (if any).
Line of credit facility, frequency of payment and payment term						The term of each loan will be one, three or six months or such other period as agreed by the lender. The term of a loan, including any extension or rollover, shall not exceed twelve months.
Line of credit facility, outstanding amount						$ 0
Line of Credit Facility, Interest Rate During Period				100.00%
Revolving Loan Agreement [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Line of credit facility, interest rate				twelve months
Revolving Loan Agreement [Member] \| Yuan Revolving Loan Facility [Member]
Debt Instrument [Line Items]
Maximum amount of credit facility \| ¥				¥ 125,000,000
Revolving Loan Agreement [Member] \| Yuan Non-Financial Bank Guarantee Facility [Member]
Debt Instrument [Line Items]
Maximum amount of credit facility \| ¥				¥ 15,000,000
Construction Loan Agreement [Member] \| Joint Venture with HF Logistics [Member] \| Interest Rate Swap [Member]
Debt Instrument [Line Items]
Interest rate swap agreement date						Aug. 14, 2015
Derivative effective dates						Aug. 12, 2015
Maturity date of swap agreement						Aug. 12, 2022
Derivative early termination date						Aug. 01, 2020
Effective fixed interest rate of loan with swap						4.08%
Construction Loan Agreement [Member] \| Original Modified Loan [Member] \| Joint Venture with HF Logistics [Member]
Debt Instrument [Line Items]
Debt instrument maturity date						Oct. 30, 2015
Construction Loan Agreement [Member] \| Modification Loan [Member] \| Joint Venture with HF Logistics [Member]
Debt Instrument [Line Items]
Debt instrument maturity date						Aug. 12, 2020
Debt instrument variable rate						4.24%
Outstanding principal balance of the original loan					$ 77,300,000
Capital contribution made by the company					38,700,000
Ownership percentage joint venture						50.00%
Current borrowing capacity					$ 70,000,000.0
Payment of accrued interest, loan fees and other closing costs						$ 900,000
Distribution made by JV						$ 31,300,000
Description of maturity date of debt instrument						The maturity date of the New Loan is August 12, 2020, which HF-T1 has one option to extend by an additional 24 months, or until August 12, 2022, upon payment of a fee and satisfaction of certain customary conditions.
Long-term borrowings						$ 64,420,000	$ 65,148,000
Construction Loan Agreement [Member] \| Maximum [Member] \| Original Loan [Member] \| Joint Venture with HF Logistics [Member]
Debt Instrument [Line Items]
Borrowing under loan agreement										$ 55,000,000.0
Construction Loan Agreement [Member] \| LIBOR Loans [Member] \| Modification Loan [Member] \| Joint Venture with HF Logistics [Member]
Debt Instrument [Line Items]
Interest rate of line of credit agreement						2.00%
Debt instrument basis spread on variable rate						LIBOR Daily Floating Rate (as defined in the Amended Loan Agreement) plus a margin of 2%.
Equipment Notes [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Borrowing under loan agreement									$ 80,000,000.0