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

Income Taxes - Summary of Income Tax Expense and Effective Tax Rate (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Abstract]
Income tax expense	$ 14,983	$ 22,766	$ 18,104	$ 75,288
Effective tax rate	15.40%	15.80%	21.00%	17.90%

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.