CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Accounts Receivable, Allowance for Credit Loss, Current	$ 9,074	$ 5,263
Other accounts receivable, allowance for doubtful accounts	$ 53	$ 53
Common Stock, Shares Authorized	60,000,000	60,000,000
Common Stock, Shares, Outstanding	36,936,252	36,889,103
Common Stock, Par or Stated Value Per Share	$ 0	$ 0
GOLDEN STATE WATER COMPANY
Accounts Receivable, Allowance for Credit Loss, Current	$ 8,493	$ 4,907
Other accounts receivable, allowance for doubtful accounts	$ 53	$ 53
Common Stock, Shares Authorized	1,000	1,000
Common Stock, Shares, Outstanding	170	170
Common Stock, Par or Stated Value Per Share	$ 0	$ 0