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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
ASSETS    
Utility Plant, accumulated depreciation $ 168,815 $ 159,385
Current assets    
Accounts receivable, allowance for doubtful accounts 444 429
Other assets    
Non-utility Property, accumulated depreciation $ 938 $ 919