| **Acquisitions (Details) $ in Thousands**                       | 1 Months Ended | 6 Months Ended | 12 Months Ended |
|-----------------------------------------------------------------|----------------|----------------|-----------------|
||
| **Business Acquisition [Line Items]**                           |           |           |            |
| Goodwill                                                        |           | $ 42,266       | $ 42,208        |
| Superior Water Company, Inc. [Member]                           |           |           |            |
| **Business Acquisition [Line Items]**                           |           |           |            |
| Number of customers | customer                                  | 3,900          |           |            |
| Total purchase price                                            | $ 16,750       |           |            |
| Shares issued for acquisition | shares                          | 439,943        |           |            |
| Cash Paid                                                       | $ 3,905        |           |            |
| Acquired property, plant and equipment                          | 25,167         |           |            |
| Contributions in aid of construction                            | 16,565         |           |            |
| Goodwill                                                        | $ 8,622        |           |            |
| Water And Wastewater Utility Systems In Various States [Member] |           |           |            |
| **Business Acquisition [Line Items]**                           |           |           |            |
| Number of customers | customer                                  |           | 1,002          | 2,469           |
| Total purchase price                                            |           | $ 5,765        | $ 5,518         |
| Goodwill                                                        |           | $ 72           | $ 1,756         |
| Number of acquisitions | item                                   |           | 3              | 18              |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Number of shares of equity interests issued or issuable to acquire entity.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                    |
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| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
+ References
No definition available.
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.
+ References
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The amount of property, plant, and equipment recognized as of the acquisition date.
+ References
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
+ References
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| X                                                                                                                                                                                                                                                                                     |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The number of businesses acquired by the entity during the period.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.
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| X                                                                                                                                                                                                                      |
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| - Definition
Number of customers.
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| X                                                                                                                                                          |
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