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Organization and Operations and Basis of Presentation (Details)	9 Months Ended
	Sep. 30, 2021 segment
Noncontrolling Interest [Line Items]
Number of reportable segments	1
Texas Water
Noncontrolling Interest [Line Items]
Noncontrolling interest	30.20%

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8672-108599

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