Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2015	Aug. 07, 2015
Document and Entity Information
Entity Registrant Name	RadNet, Inc.
Entity Central Index Key	0000790526
Document Type	10-Q
Document Period End Date	Jun. 30, 2015
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Is Entity a Well-known Seasoned Issuer	No
Is Entity a Voluntary Filer	No
Is Entity's Reporting Status Current	Yes
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		44,466,338
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2015