COMMITMENTS AND CONTINGENCIES (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]
Term of naming rights agreement	6 years
2014	$ 1,311
2015	1,351
2016	1,391
Total	$ 4,053

Naming Rights Agreement, Future Minimum Payments, Due Next Twelve Months

No definition available.

Name:	ostk_NamingRightsAgreementFutureMinimumPaymentsDueNextTwelveMonths
Namespace Prefix:	ostk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant