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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
ASSETS    
Utility Plant, accumulated depreciation $ 153,894 $ 147,469
Current assets    
Accounts receivable, allowance for doubtful accounts 591 862
Other assets    
Non-utility Property, accumulated depreciation $ 902 $ 865