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) - USD ($)			9 Months Ended
	Aug. 21, 2015	Dec. 29, 2010	Sep. 30, 2016	Dec. 31, 2015	Aug. 11, 2015	Jun. 30, 2015	Nov. 16, 2012	Jun. 30, 2011	Apr. 30, 2010
Debt Instrument [Line Items]
Outstanding letters of credit			$ 1,900,000	$ 4,000,000
Short-term borrowings			$ 5,116,000	59,000
Derivative effective dates			Aug. 12, 2015
Joint Venture with HF Logistics [Member] \| Construction Loan Agreement [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%
Original Modified Loan [Member] \| Joint Venture with HF Logistics [Member] \| Construction Loan Agreement [Member]
Debt Instrument [Line Items]
Debt instrument maturity date			Oct. 30, 2015
Maximum limit of Master Agreement for long-term debt		$ 80,000,000
Term of Master Agreement for long-term debt			60 months
Modification Loan [Member] \| Joint Venture with HF Logistics [Member] \| Construction Loan Agreement [Member]
Debt Instrument [Line Items]
Debt instrument maturity date			Aug. 12, 2020
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
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
First Note [Member] \| Equipment Notes [Member]
Debt Instrument [Line Items]
Borrowing under Master Agreement for long-term debt		$ 39,300,000
Fixed interest rate of note payable			3.54%
Second Note [Member] \| Equipment Notes [Member]
Debt Instrument [Line Items]
Fixed interest rate of note payable			3.19%
Borrowing limit under new agreement								$ 36,300,000
LIBOR Loans [Member] \| Modification Loan [Member] \| Joint Venture with HF Logistics [Member] \| Construction Loan Agreement [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%
Maximum [Member] \| Equipment Notes [Member]
Debt Instrument [Line Items]
Borrowing under loan agreement							$ 80,000,000
Maximum [Member] \| Original Loan [Member] \| Joint Venture with HF Logistics [Member] \| Construction Loan Agreement [Member]
Debt Instrument [Line Items]
Borrowing under loan agreement									$ 55,000,000
Line of Credit [Member]
Debt Instrument [Line Items]
Maximum amount of credit facility						$ 250,000,000
Maturity date of credit agreement			Jun. 30, 2020
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.
Unused line of credit fee			0.25%
Debt closing and arrangement fees			$ 1,100,000
Line of credit facility, expiration period			5 years
Line of credit facility, outstanding amount			$ 100,000	$ 100,000
Line of Credit [Member] \| Federal Funds Rate [Member]
Debt Instrument [Line Items]
Interest rate of line of credit agreement			0.50%
Line of Credit [Member] \| LIBOR Loans [Member]
Debt Instrument [Line Items]
Interest rate of line of credit agreement			1.00%
Line of Credit [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Line of credit, increase						$ 100,000,000