RELATED PARTY TRANSACTIONS	12 Months Ended
Dec. 31, 2019
Related Party Transactions [Abstract]
RELATED PARTY TRANSACTIONS	RELATED PARTY TRANSACTIONS PCL L.L.C. term loan repayment On November 6, 2017, we entered into a loan agreement with PCL L.L.C., an entity directly or indirectly wholly-owned by the mother and brother of our former President and Chief Executive Officer and former member of our Board of Directors, Dr. Patrick M. Byrne ("Dr. Byrne"). The agreement provides for a $40.0 million term loan (the "PCL Loan") which carries an annual interest rate of 8.0%. On May 8, 2018, our Board of Directors approved a prepayment of the PCL Loan and we repaid the entire outstanding balance under the loan plus accrued interest. SiteHelix On June 28, 2018, we entered into and concurrently closed a stock purchase agreement with the stockholders of SiteHelix, Inc., a Delaware corporation ("SiteHelix") pursuant to which we purchased all of the common stock of SiteHelix for $500,000 plus 100,000 shares of Overstock common stock with a transaction date fair value of $2.9 million for an aggregate purchase price of $3.4 million. The transaction was accounted for as an asset purchase consisting primarily of internal-use software designed to provide a customized user experience for visitors to our Website. Saum Noursalehi, who owned approximately 62% of the SiteHelix common stock, was a member of our Board of Directors and served as President of Overstock until May 8, 2018, when he became Chief Executive Officer of tZERO. tZERO Crypto Agreement In July 2018, Medici Ventures entered into a stock purchase agreement with tZERO Crypto, Inc. ("tZERO Crypto"), formerly Bitsy, Inc. On December 21, 2018, tZERO entered into a stock purchase agreement with the owners of tZERO Crypto to acquire the remaining equity interest with effective control of tZERO Crypto transferring to tZERO effective January 1, 2019. See Note 3. Business Combinations for further discussion. Chainstone Labs In September 2018, Medici Ventures entered into a stock purchase agreement with Chainstone Labs, Inc. ("Chainstone") to acquire a 29% equity interest in Chainstone for $3.6 million. Chainstone is a U.S.-based startup company founded and 71% owned by a former Board member of Medici Ventures, Bruce Fenton. Chainstone is focused on blockchain, tokenization of securities, and decentralized asset management. Our equity interest is included in our equity securities on our consolidated balance sheets. Medici Land Governance Medici Land Governance Inc., a Delaware public benefit corporation ("MLG"), was formed by Medici Ventures with Dr. Byrne. Pursuant to the Subscription Agreements dated September 21, 2018, Medici Ventures contributed certain of its assets, including intellectual property relating to technologies regarding land governance and property rights, to MLG in exchange for 510,000 shares of MLG common stock and at the same time Dr. Byrne personally contributed $6.7 million in cash to MLG in exchange for 390,000 shares of MLG common stock. At the same time MLG, Medici Ventures, and Dr. Byrne entered into a Stockholders Agreement dated September 21, 2018 regarding MLG (the "MLG Stockholder Agreement"). The MLG Stockholder Agreement restricts the transfer of the shares held by Medici Ventures and Dr. Byrne, creates rights of first refusal in favor of MLG, Medici Ventures, and Dr. Byrne to acquire shares to be sold by Medici Ventures or Dr. Byrne, creates purchase rights in favor of MLG and Medici Ventures in the event of the death or incapacity of Dr. Byrne, creates preemptive rights in favor of MLG and Medici Ventures if MLG proposes to sell capital stock to any other person (subject to certain exceptions), provides for voting for board members, and requires a supermajority consent of the stockholders for any sale of MLG or substantially all of its assets, merger, consolidation, or other transaction having substantially the same effect. As a result of the transactions described above, Medici Ventures holds approximately 57% of the outstanding capital stock of MLG, and Dr. Byrne holds approximately 43% of the outstanding capital stock of MLG. The financial results of MLG are included in our consolidated financial statements.

RELATED PARTY TRANSACTIONS

PCL L.L.C. term loan repayment

On November 6, 2017, we entered into a loan agreement with PCL L.L.C., an entity directly or indirectly wholly-owned by the mother and brother of our former President and Chief Executive Officer and former member of our Board of Directors, Dr. Patrick M. Byrne ("Dr. Byrne"). The agreement provides for a $40.0 million term loan (the "PCL Loan") which carries an annual interest rate of 8.0%. On May 8, 2018, our Board of Directors approved a prepayment of the PCL Loan and we repaid the entire outstanding balance under the loan plus accrued interest.

SiteHelix

On June 28, 2018, we entered into and concurrently closed a stock purchase agreement with the stockholders of SiteHelix, Inc., a Delaware corporation ("SiteHelix") pursuant to which we purchased all of the common stock of SiteHelix for $500,000 plus 100,000 shares of Overstock common stock with a transaction date fair value of $2.9 million for an aggregate purchase price of $3.4 million. The transaction was accounted for as an asset purchase consisting primarily of internal-use software designed to provide a customized user experience for visitors to our Website. Saum Noursalehi, who owned approximately 62% of the SiteHelix common stock, was a member of our Board of Directors and served as President of Overstock until May 8, 2018, when he became Chief Executive Officer of tZERO.

tZERO Crypto Agreement

In July 2018, Medici Ventures entered into a stock purchase agreement with tZERO Crypto, Inc. ("tZERO Crypto"), formerly Bitsy, Inc. On December 21, 2018, tZERO entered into a stock purchase agreement with the owners of tZERO Crypto to acquire the remaining equity interest with effective control of tZERO Crypto transferring to tZERO effective January 1, 2019. See Note 3. Business Combinations for further discussion.

Chainstone Labs

In September 2018, Medici Ventures entered into a stock purchase agreement with Chainstone Labs, Inc. ("Chainstone") to acquire a 29% equity interest in Chainstone for $3.6 million. Chainstone is a U.S.-based startup company founded and 71% owned by a former Board member of Medici Ventures, Bruce Fenton. Chainstone is focused on blockchain, tokenization of securities, and decentralized asset management. Our equity interest is included in our equity securities on our consolidated balance sheets.

Medici Land Governance

Medici Land Governance Inc., a Delaware public benefit corporation ("MLG"), was formed by Medici Ventures with Dr. Byrne. Pursuant to the Subscription Agreements dated September 21, 2018, Medici Ventures contributed certain of its assets, including intellectual property relating to technologies regarding land governance and property rights, to MLG in exchange for 510,000 shares of MLG common stock and at the same time Dr. Byrne personally contributed $6.7 million in cash to MLG in exchange for 390,000 shares of MLG common stock. At the same time MLG, Medici Ventures, and Dr. Byrne entered into a Stockholders Agreement dated September 21, 2018 regarding MLG (the "MLG Stockholder Agreement"). The MLG Stockholder Agreement restricts the transfer of the shares held by Medici Ventures and Dr. Byrne, creates rights of first refusal in favor of MLG, Medici Ventures, and Dr. Byrne to acquire shares to be sold by Medici Ventures or Dr. Byrne, creates purchase rights in favor of MLG and Medici Ventures in the event of the death or incapacity of Dr. Byrne, creates preemptive rights in favor of MLG and Medici Ventures if MLG proposes to sell capital stock to any other person (subject to certain exceptions), provides for voting for board members, and requires a supermajority consent of the stockholders for any sale of MLG or substantially all of its assets, merger, consolidation, or other transaction having substantially the same effect.

As a result of the transactions described above, Medici Ventures holds approximately 57% of the outstanding capital stock of MLG, and Dr. Byrne holds approximately 43% of the outstanding capital stock of MLG. The financial results of MLG are included in our consolidated financial statements.