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

Segment and Geographic Reporting Information - Geographic Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Property, plant and equipment
Property, plant and equipment	$ 375,586us-gaap_PropertyPlantAndEquipmentNet		$ 373,183us-gaap_PropertyPlantAndEquipmentNet
Net sales
Net sales, Total	767,997us-gaap_SalesRevenueGoodsNet	546,518us-gaap_SalesRevenueGoodsNet
Domestic [Member]
Property, plant and equipment
Property, plant and equipment	332,512		332,383
Net sales
Net sales, Total	453,164	344,654
Canada [Member]
Property, plant and equipment
Property, plant and equipment	7,256		7,203
Net sales
Net sales, Total	23,242	21,684
Other international [Member]
Property, plant and equipment
Property, plant and equipment	35,818		33,597
Net sales
Net sales, Total	$ 291,591	$ 180,180