Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Utility plant:
Land	$ 17,831	$ 17,831
Depreciable plant and equipment	1,733,449	1,714,228
Construction in progress	54,933	45,851
Intangible assets	15,567	14,413
Utility plant, gross	1,821,780	1,792,323
Less accumulated depreciation and amortization	566,844	553,059
Utility plant, net	1,254,936	1,239,264
Real estate investments	56,213	56,213
Less accumulated depreciation and amortization	11,431	11,132
Total	44,782	45,081
CURRENT ASSETS:
Cash and cash equivalents	6,954	7,799
Accounts receivable:
Customers, net of allowances for uncollectible accounts	18,326	17,305
Income tax	7,072	7,981
Other	1,578	1,118
Accrued unbilled utility revenue	22,608	27,905
Other current assets	4,522	4,750
Current assets	61,060	66,858
OTHER ASSETS:
Investment in California Water Service Group	3,067	4,535
Net regulatory assets, less current portion	97,293	99,554
Other	2,736	2,709
Other assets	103,096	106,798
Assets	1,463,874	1,458,001
Stockholders’ equity:
Common stock, $0.001 par value; authorized 36,000,000 shares; issued and outstanding shares 20,585,136 on March 31, 2018 and 20,520,856 on December 31, 2017	21	21
Additional paid-in capital	83,986	84,866
Retained earnings	373,823	376,119
Accumulated other comprehensive income	0	2,203
Total stockholders’ equity	457,830	463,209
Long-term debt, less current portion	431,175	431,092
Capitalization, Long-term Debt and Equity	889,005	894,301
CURRENT LIABILITIES:
Line of credit	39,000	25,000
Accrued groundwater extraction charges, purchased water and power	11,692	14,382
Accounts payable	22,482	22,960
Accrued interest	7,400	6,869
Accrued property taxes and other non-income taxes	2,780	1,904
Accrued payroll	3,620	6,011
Other current liabilities	8,386	7,926
Current liabilities	95,360	85,052
DEFERRED INCOME TAXES	84,442	85,795
ADVANCES FOR CONSTRUCTION	82,611	83,695
CONTRIBUTIONS IN AID OF CONSTRUCTION	162,443	160,830
POSTRETIREMENT BENEFIT PLANS	74,735	72,841
REGULATORY LIABILITY	62,205	62,476
OTHER NONCURRENT LIABILITIES	13,073	13,011
COMMITMENTS AND CONTINGENCIES	0	0
Capitalization and liabilities	$ 1,463,874	$ 1,458,001