Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information
9 Months Ended
Sep. 30, 2012
Oct. 26, 2012
Dec. 31, 2011
Document And Entity Information      
Entity Registrant Name Newcastle Investment Corp    
Entity Central Index Key 0001175483    
Document Type 10-Q    
Document Period End Date Sep. 30, 2012    
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 172,487,757 172,518,733 105,181,009
Document Fiscal Period Focus Q3    
Document Fiscal Year Focus 2012