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Document and Entity Information - shares
 9 Months Ended
Sep. 30, 2016
Nov. 07, 2016
Document and Entity Information [Abstract]    
Entity Registrant Name Ashford Hospitality Prime, Inc.  
Entity Central Index Key 0001574085  
Document Type 10-Q  
Current Fiscal Year End Date --12-31  
Document Period End Date Sep. 30, 2016  
Amendment Flag false  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q3  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   25,969,239