Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information (USD $)
9 Months Ended
Sep. 30, 2013
Oct. 25, 2013
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, 2013  
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 Large Accelerated Filer  
Entity Common stock, par value $ 0.01  
Entity Common Stock, Shares Outstanding   293,488,981
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2013