Document and Entity Information Document	6 Months Ended
	Jun. 30, 2013	Aug. 05, 2013
Entity Information [Line Items]
Entity Registrant Name	BioScrip, Inc.
Entity Central Index Key	0001014739
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Document Type	10-Q
Document Period End Date	Jun. 30, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		67,779,491