XML 16 R1.htm IDEA: XBRL DOCUMENT v3.7.0.1
Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2016
Mar. 24, 2017
Jun. 30, 2016
Document and Entity Information      
Entity Registrant Name NorthStar Healthcare Income, Inc.    
Entity Central Index Key 0001503707    
Entity Current Reporting Status Yes    
Current Fiscal Year End Date --12-31    
Entity Filer Category Smaller Reporting Company    
Entity Common Stock, Shares Outstanding   185,933,753  
Amendment Flag false    
Document Type 10-K    
Document Period End Date Dec. 31, 2016    
Document Fiscal Year Focus 2016    
Document Fiscal Period Focus FY    
Entity Public Float     $ 0
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filer No