| Cover | May 24, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | May 24, 2021 |
| Entity Registrant Name | CRIMSON WINE GROUP, LTD. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 000-54866 |
| Entity Tax Identification Number | 13-3607383 |
| Entity Address, Address Line One | 5901 Silverado Trail |
| Entity Address, City or Town | Napa |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94558 |
| City Area Code | 800 |
| Local Phone Number | 486-0503 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001562151 |
| Amendment Flag | false |
