| Standard label: | Water Production Costs |
| Name: | us-gaap:WaterProductionCosts |
| Documentation: | Cost incurred related to water production and may include cost of treatment plants, pumps, pipes and reservoir, purchased water, power and pump taxes as well as the cost of reducing water leakage. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:WaterProductionCosts |
| Label | Role | Language |
| Water Production Costs | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 220 10 S99 2 (SX 210.5-03.2) | http://fasb.org/us-gaap/role/ref/legacyRef | 220 |
| Part Of Roll Up: |
| us-gaap:DirectOperatingCosts |