v3.7.0.1
Document and Entity Information - shares
3 Months Ended
Mar. 31, 2017
May 15, 2017
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2017  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q1  
Trading Symbol CHCI  
Entity Registrant Name Comstock Holding Companies, Inc.  
Entity Central Index Key 0001299969  
Current Fiscal Year End Date --12-31  
Entity Filer Category Smaller Reporting Company  
Class A [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   3,220,996
Class B [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   220,250