Consolidated Statements of Changes in Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common stock	Additional paid-in capital	Accumulated deficit	Accumulated other comprehensive loss	Treasury stock	Parent	Noncontrolling interest
Common Stock, Shares Activity
Common stock	$ 2
Beginning balance (in shares) at Dec. 31, 2014		27,241				3,204
Common Stock, Shares Activity
Common stock issued upon vesting of restricted stock (in shares)		378
Exercise of stock options (in shares)		14
Issuance of treasury stock (in shares)						(909)
Purchase of treasury stock (in shares)						104
Ending balance (in shares) at Sep. 30, 2015	25,234	27,633				2,399
Beginning balance at Dec. 31, 2014	$ 129,220		$ 366,252	$ (153,864)	$ (621)	$ (82,531)		$ (18)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Stock-based compensation to employees and directors			2,577
Exercise of stock options			270
Net income attributable to stockholders of Overstock.com, Inc.	2,336			2,336
Deficiency in cost of treasury stock issued				(15,002)
Net other comprehensive loss	(1,022)				(1,022)
Purchases of treasury stock						(2,367)
Issuance of treasury stock						33,151
Net loss attributable to noncontrolling interests	979							(979)
Paid-in capital attributable to noncontrolling interests								152
Ending balance at Sep. 30, 2015	148,337		$ 369,099	$ (166,530)	$ (1,643)	$ (51,747)	$ 149,182	$ (845)
Common Stock, Shares Activity
Common stock	$ 3	$ 3