STOCKHOLDERS' EQUITY - JonesTrading Agreements (Details) - USD ($)	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022
Equity [Abstract]
Proceeds from issuance of common stock	$ 0	$ 0

Proceeds from Issuance of Common Stock included in Accounts Receivable

No definition available.

Name:	ostk_ProceedsFromIssuanceOfCommonStockIncludedInAccountsReceivable
Namespace Prefix:	ostk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration