Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Utility plant:
Land	$ 8,993	$ 8,852
Depreciable plant and equipment	1,139,878	1,070,016
Construction in progress	27,013	18,527
Intangible assets	15,561	14,732
Property, Plant and Equipment, Gross	1,191,445	1,112,127
Less accumulated depreciation and amortization	378,960	355,914
Public Utilities, Property, Plant and Equipment, Net	812,485	756,213
Real estate investments	73,604	89,099
Less accumulated depreciation and amortization	8,697	10,557
Property, Plant and Equipment, Net	64,907	78,542
CURRENT ASSETS:
Cash and cash equivalents	6,684	26,734
Accounts receivable:
Customers, net of allowances for uncollectible accounts	17,573	12,541
Income tax	0	5,248
Other	982	746
Accrued unbilled utility revenue	24,418	15,318
Long-lived assets held-for-sale	7,768	0
Materials and supplies	1,028	991
Prepaid expenses	2,066	1,598
Other current asset	1,556	5,739
Assets, Current	62,075	68,915
OTHER ASSETS:
Investment in California Water Service Group	7,182	7,032
Unamortized debt issuance, broker and reacquisition costs	5,015	4,865
Regulatory assets, net	119,248	119,248
Other	4,407	3,995
Assets, Noncurrent	135,852	135,140
Assets	1,075,319	1,038,810
Shareholders’ equity:
Common stock, $0.521 par value; authorized 36,000,000 shares; issued and outstanding 18,653,088 shares on September 30, 2012 and 18,592,827 on December 31, 2011	9,715	9,684
Additional paid-in capital	25,708	24,552
Retained earnings	233,870	227,494
Accumulated other comprehensive income	2,362	2,274
Total shareholders’ equity	271,655	264,004
Long-term debt, less current portion	335,779	343,848
Capitalization, Long-term Debt and Equity	607,434	607,852
CURRENT LIABILITIES:
Current portion of long-term debt	5,410	838
Accrued groundwater extraction charges and purchased water	10,063	5,789
Purchased power	647	423
Accounts payable	17,566	7,417
Accrued interest	5,534	5,376
Accrued property taxes and other non-income taxes	2,620	1,298
Accrued payroll	3,366	2,744
Income tax payable	810	0
Other current liabilities	4,894	4,403
Liabilities, Current	50,910	28,288
DEFERRED INCOME TAXES	141,795	133,541
UNAMORTIZED INVESTMENT TAX CREDITS	1,450	1,495
ADVANCES FOR CONSTRUCTION	67,026	67,333
CONTRIBUTIONS IN AID OF CONSTRUCTION	125,205	123,335
DEFERRED REVENUE	1,121	1,070
POSTRETIREMENT BENEFIT PLANS	72,708	68,855
OTHER NONCURRENT LIABILITIES	7,670	7,041
COMMITMENTS AND CONTINGENCIES	0	0
Liabilities and Stockholders' Equity	$ 1,075,319	$ 1,038,810