Property, Plant and Equipment  | 
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| Property, Plant and Equipment [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Property, Plant and Equipment | Property, Plant and Equipment Property, plant and equipment, net consisted of the following as of September 30, 2020 and December 31, 2019 (in thousands):  
 (1)    Water service-related assets reflect assets related to water sourcing and water treatment projects. 
Depreciation expense was $3.5 million and $2.6 million for the three months ended September 30, 2020 and 2019, respectively.  Depreciation expense was $10.3 million and $5.2 million for the nine months ended September 30, 2020 and 2019, respectively. 
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