Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Utility plant:
Land	$ 34,929	$ 34,395
Depreciable plant and equipment	3,031,451	2,988,454
Construction in progress	144,429	112,232
Intangible assets	32,826	33,424
Utility plant, gross	3,243,635	3,168,505
Less accumulated depreciation and amortization	1,004,776	962,019
Utility plant, net	2,238,859	2,206,486
Real estate investments	58,023	57,699
Less accumulated depreciation and amortization	14,197	13,597
Total	43,826	44,102
Cash and cash equivalents:
Cash	23,317	12,944
Restricted cash	0	5,000
Accounts receivable:
Customers, net of allowances for uncollectible accounts	44,880	36,305
Income tax	2,783	8,837
Other	2,043	2,833
Accrued unbilled utility revenue	55,398	40,102
Current regulatory assets, net	5,691	6,472
Other current assets	11,431	9,553
Current assets	145,543	122,046
OTHER ASSETS:
Net regulatory assets, less current portion	132,539	113,945
Investments	13,493	12,928
Goodwill	628,343	628,287
Other	7,374	4,676
Other assets	781,749	759,836
Assets	3,209,977	3,132,470
Stockholders’ equity:
Common stock, $0.001 par value; authorized 70,000,000 shares; issued and outstanding shares 28,516,705 on June 30, 2020 and 28,456,508 on December 31, 2019	29	28
Additional paid-in capital	508,098	506,639
Retained earnings	387,003	383,191
Accumulated other comprehensive income	1	126
Total stockholders’ equity	895,131	889,984
Long-term debt, less current portion	1,315,979	1,283,597
Capitalization, Long-term Debt and Equity	2,211,110	2,173,581
CURRENT LIABILITIES:
Line of credit	146,671	117,209
Current portion of long-term debt	22,354	22,272
Accrued groundwater extraction charges, purchased water and power	26,614	17,211
Accounts payable	24,295	34,886
Accrued interest	12,390	13,140
Accrued payroll	12,064	11,570
Other current liabilities	13,578	18,279
Current liabilities	257,966	234,567
DEFERRED INCOME TAXES	195,116	195,598
ADVANCES FOR CONSTRUCTION	120,808	112,339
CONTRIBUTIONS IN AID OF CONSTRUCTION	288,317	286,035
POSTRETIREMENT BENEFIT PLANS	113,983	108,044
OTHER NONCURRENT LIABILITIES	22,677	22,306
COMMITMENTS AND CONTINGENCIES	0	0
Capitalization and liabilities	$ 3,209,977	$ 3,132,470