| Document and Entity Information | May 25, 2022 |
| Cover [Abstract] | |
| Amendment Flag | false |
| Entity Central Index Key | 0000830122 |
| Current Fiscal Year End Date | --12-31 |
| Document Type | 8-K |
| Document Period End Date | May 25, 2022 |
| Entity Registrant Name | VIDLER WATER RESOURCES, INC. |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 33-36383 |
| Entity Tax Identification Number | 94-2723335 |
| Entity Address, Address Line One | 3480 GS Richards Blvd |
| Entity Address, Address Line Two | Suite 101 |
| Entity Address, City or Town | Carson City |
| Entity Address, State or Province | NV |
| Entity Address, Postal Zip Code | 89703 |
| City Area Code | (775) |
| Local Phone Number | 885-5000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, par Value $0.001 |
| Trading Symbol | VWTR |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
