XML 39 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Document and Entity Information - shares
 3 Months Ended
Mar. 31, 2020
May 26, 2020
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2020  
Document Fiscal Year Focus 2020  
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 Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Shell Company false  
Title of 12(b) Security Class A common stock, par value $0.01 per share  
Security Exchange Name NASDAQ  
Entity File Number 1-32375  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 20-1164345  
Entity Address, Address Line One 1886 Metro Center Drive, 4th Floor  
Entity Address, City or Town Reston  
Entity Address, State or Province VA  
Entity Address, Postal Zip Code 20190  
City Area Code 703  
Local Phone Number 230-1985  
Document Quarterly Report true  
Document Transition Report false  
Class A [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   7,839,490
Class B [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   220,250