Contractual interest rate for funds borrowed, under the debt agreement.

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Including the current and noncurrent portions, the carrying value as of the balance sheet date of notes payable to banks, excluding mortgage notes, initially due beyond one year or beyond the operating cycle if longer.

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Leases Lease -additional information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Leases [Abstract]
Operating lease right-of-use assets	$ 6,276		$ 0
Operating lease liabilities	2,027		0
Operating lease liabilities	4,439		0
Short-term Lease Payments	5,500
Debt Instrument [Line Items]
Operating Lease, Expense	$ 663	$ 559
Number of unit subject to early termination	1
Notes Payable 9.56 Percent Due 2031 [Member]
Debt Instrument [Line Items]
Notes Payable to Bank	$ 28,000
Debt Instrument, Interest Rate, Stated Percentage	9.56%
Golden State Water Company [Member]
Leases [Abstract]
Operating lease right-of-use assets	$ 5,367		0
Operating lease liabilities	1,597		0
Operating lease liabilities	$ 3,994		$ 0
Debt Instrument [Line Items]
Ratio of Indebtedness to Net Capital	0.4449
Golden State Water Company [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Ratio of Indebtedness to Net Capital	0.6667