Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net loss	$ (42,892)	$ (54,456)
Other comprehensive loss:
Unrealized gain on cash flow hedges, net of expense for taxes of $0, and $0	4	4
Other comprehensive income	4	4
Comprehensive loss	(42,888)	(54,452)
Less: Comprehensive loss attributable to noncontrolling interests	(3,648)	(3,547)
Comprehensive loss attributable to stockholders of Overstock.com, Inc.	$ (39,240)	$ (50,905)