| Cover | Aug. 15, 2022 | May 16, 2022 |
| Cover [Abstract] | ||
| Document Type | 8-K | |
| Document Period End Date | Aug. 15, 2022 | |
| 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 |
