Adjustments to Additional Paid in Capital, Share-based Compensation, Equity Award Assumed in Acquisition

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- Definition

Business Combination, Consideration Transferred, Acquiree's Common Shares Converted In Cash Per Share

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- Definition

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Utility Plant, Net

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- Definition

Public Utilities, Acquisition, Number of People Served

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Public Utilities, Acquisition, Service Area

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Public Utilities, Acquisition, Service Connections

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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.

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- Definition

The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

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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.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Business Combinations - Narrative (Details) $ / shares in Units, people in Thousands, $ in Thousands			12 Months Ended			15 Months Ended
	Dec. 17, 2021 USD ($) mi² people serviceConnection	Oct. 09, 2019 USD ($) $ / shares	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
Business Acquisition [Line Items]
Cash purchase price			$ 433	$ 23,587	$ 0
Goodwill			640,311	$ 640,471
Kendall West Utility and Bandera East Utility
Business Acquisition [Line Items]
Cash purchase price	$ 23,587
Utility plant, net	9,400
Goodwill	$ 12,300		12,167
Goodwill, measurement period adjustments			$ (161)
Kendall West Utility and Bandera East Utility \| CLWSC
Business Acquisition [Line Items]
Number of people served from acquisition \| people	5
Service area from acquisition \| mi²	19
Kendall West Utility and Bandera East Utility \| CLWSC \| South Central Texas
Business Acquisition [Line Items]
Number of service connections from acquisition \| serviceConnection	1,600
CTWS
Business Acquisition [Line Items]
Cash purchase price		$ 838,476
Utility plant, net		750,703			750,703	$ 750,703
Goodwill		$ 626,523			$ 626,409	626,409
Goodwill, measurement period adjustments						$ 114
Acquiree's common shares converted in cash (in dollars per share) \| $ / shares		$ 70.00
Cash received from acquisition		$ 3,011
Equity award assumed in acquisition		$ 6,384