Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Utility plant:
Land	$ 8,987	$ 8,852
Depreciable plant and equipment	1,109,973	1,070,016
Construction in progress	25,532	18,527
Intangible assets	15,559	14,732
Property, Plant and Equipment, Gross	1,160,051	1,112,127
Less accumulated depreciation and amortization	371,496	355,914
Public Utilities, Property, Plant and Equipment, Net	788,555	756,213
Real estate investments	83,486	89,099
Less accumulated depreciation and amortization	10,408	10,557
Property, Plant and Equipment, Net	73,078	78,542
CURRENT ASSETS:
Cash and cash equivalents	9,258	26,734
Accounts receivable:
Customers, net of allowances for uncollectible accounts	15,291	12,541
Income tax	648	5,248
Other	1,108	746
Accrued unbilled utility revenue	20,929	15,318
Long-lived assets held-for-sale	4,608	0
Materials and supplies	1,086	991
Prepaid expenses	1,468	1,598
Other current asset	3,883	5,739
Assets, Current	58,279	68,915
OTHER ASSETS:
Investment in California Water Service Group	7,113	7,032
Unamortized debt issuance, broker and reacquisition costs	4,724	4,865
Regulatory assets, net	119,248	119,248
Other	4,250	3,995
Assets, Noncurrent	135,335	135,140
Assets	1,055,247	1,038,810
Shareholders’ equity:
Common stock, $0.521 par value; authorized 36,000,000 shares; issued and outstanding 18,632,822 shares on June 30, 2012 and 18,592,827 on December 31, 2011	9,707	9,684
Additional paid-in capital	25,222	24,552
Retained earnings	227,129	227,494
Accumulated other comprehensive income	2,322	2,274
Total shareholders’ equity	264,380	264,004
Long-term debt, less current portion	335,886	343,848
Capitalization, Long-term Debt and Equity	600,266	607,852
CURRENT LIABILITIES:
Current portion of long-term debt	8,340	838
Accrued groundwater extraction charges and purchased water	9,412	5,789
Purchased power	543	423
Accounts payable	14,302	7,417
Accrued interest	5,359	5,376
Accrued property taxes and other non-income taxes	732	1,298
Accrued payroll	2,813	2,744
Other current liabilities	4,417	4,403
Liabilities, Current	45,918	28,288
DEFERRED INCOME TAXES	136,666	133,541
UNAMORTIZED INVESTMENT TAX CREDITS	1,465	1,495
ADVANCES FOR CONSTRUCTION	65,630	67,333
CONTRIBUTIONS IN AID OF CONSTRUCTION	125,168	123,335
DEFERRED REVENUE	1,098	1,070
POSTRETIREMENT BENEFIT PLANS	71,522	68,855
OTHER NONCURRENT LIABILITIES	7,514	7,041
COMMITMENTS AND CONTINGENCIES	0	0
Liabilities and Stockholders' Equity	$ 1,055,247	$ 1,038,810