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Cover
Nov. 09, 2021
Nov. 03, 2021
Cover [Abstract]    
Document Type 8-K  
Document Period End Date   Nov. 03, 2021
Entity Registrant Name Comstock Holding Companies, Inc.  
Entity Incorporation, State or Country Code DE  
Entity File Number 1-32375  
Entity Tax Identification Number 20-1164345  
Entity Address, Address Line One 1900 Reston Metro Plaza  
Entity Address, Address Line Two 10TH 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  
Written Communications false  
Soliciting Material false  
Pre-commencement Tender Offer false  
Pre-commencement Issuer Tender Offer false  
Title of 12(b) Security Class A Common Stock, par value $0.01  
Trading Symbol CHCI  
Security Exchange Name NASDAQ  
Entity Emerging Growth Company false  
Entity Central Index Key 0001299969  
Amendment Flag false