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Fair Value of Financial Instruments: (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Apr. 28, 2022	Dec. 31, 2021
Fair value of financial instruments
Unamortized Debt Issuance Expense	$ 3,200
Reported Value Measurement
Fair value of financial instruments
Long-term Debt, Fair Value	450,583
Estimate of Fair Value Measurement
Fair value of financial instruments
Long-term Debt, Fair Value	$ 442,106
GOLDEN STATE WATER COMPANY | Reported Value Measurement
Fair value of financial instruments
Long-term Debt, Fair Value			$ 415,788
GOLDEN STATE WATER COMPANY | Estimate of Fair Value Measurement
Fair value of financial instruments
Long-term Debt, Fair Value			$ 490,852
BVESI | Unsecured Private Placement Notes
Fair value of financial instruments
Debt Instrument, Face Amount		$ 35,000

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- Definition

Face (par) amount of debt instrument at time of issuance.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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