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INTANGIBLE ASSETS AND GOODWILL
 12 Months Ended
Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
INTANGIBLE ASSETS AND GOODWILL INTANGIBLE ASSETS AND GOODWILL
Intangible assets
As of December 31, 2022 and 2021, intangible assets that will continue to be amortized and those not amortized were:
 Weighted
Average
Amortization
Period
(years)		20222021
 Gross
Carrying
Value		Accumulated
Amortization		Net
Carrying
Value		Gross
Carrying
Value		Accumulated
Amortization		Net
Carrying
Value
Amortized intangible assets:       
Water pumping rightsusage$1,084 $132 $952 $1,084 $127 $957 
Water planning studies1416,354 9,222 7,132 22,153 15,230 6,923 
Leasehold improvements and other143,192 1,614 1,578 2,851 1,477 1,374 
Total $20,630 $10,968 $9,662 $26,088 $16,834 $9,254 
Unamortized intangible assets:       
Perpetual water rights and other $7,149 $— $7,149 $3,867 $— $3,867 
Water pumping rights usage is the amount of water pumped from aquifers to be treated and distributed to customers.
For the year ended December 31, 2022, 2021, and 2020 amortization of intangible assets was $1.5 million, $1.4 million, and $1.1 million, respectively.
Estimated future amortization expense related to intangible assets are shown in the table below:
Year Ending December 31,Estimated Future Amortization Expense Related to Intangible Assets
2023$1,357 
20241,244 
20251,116 
2026798 
2027559 
Thereafter4,588 
Total$9,662 
Goodwill
Changes in the carrying amount of goodwill for the years ended December 31, 2022 and 2021 were as follows:
20222021
Beginning balance$36,814 $31,842 
Acquisitions— 5,424 
Acquisition adjustment— (452)
Total ending goodwill balance$36,814 $36,814