Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Utility plant:
Land	$ 39,900	$ 39,004
Depreciable plant and equipment	3,468,240	3,381,908
Construction in progress	192,580	176,427
Intangible assets	36,220	36,276
Property, plant, and equipment, gross	3,736,940	3,633,615
Less accumulated depreciation and amortization	1,183,159	1,136,116
Public utilities, property, plant and equipment, net	2,553,781	2,497,499
Real estate investments and nonutility properties	58,234	57,632
Less accumulated depreciation and amortization	16,553	15,951
Real estate investment property, total	41,681	41,681
Cash and cash equivalents:
Cash	12,049	10,908
Restricted cash	602	1,211
Accounts receivable:
Customers, net of allowances for uncollectible accounts of $5,222 and $4,600 on June 30, 2022 and December 31, 2021, respectively	58,815	53,699
Income tax	0	2,308
Other	4,079	4,735
Accrued unbilled utility revenue	47,824	44,026
Prepaid expenses	8,106	9,667
Current regulatory assets, net	2,841	2,629
Other current assets	4,476	4,902
Total current assets	138,792	134,085
OTHER ASSETS:
Net regulatory assets, less current portion	139,312	151,992
Investments	15,011	15,784
Goodwill	640,311	640,471
Other	12,159	10,883
Total other assets	806,793	819,130
Total assets	3,541,047	3,492,395
Stockholders’ equity:
Common stock, $0.001 par value; authorized 70,000,000 shares; issued and outstanding shares 30,247,674 on June 30, 2022 and 30,181,348 on December 31, 2021	30	30
Additional paid-in capital	608,666	606,392
Retained earnings	421,741	428,260
Accumulated other comprehensive income	(592)	(163)
Total stockholders’ equity	1,029,845	1,034,519
Long-term debt, less current portion	1,455,709	1,492,935
Capitalization, long-term debt and equity	2,485,554	2,527,454
CURRENT LIABILITIES:
Line of credit	141,336	62,996
Current portion of long-term debt	38,966	39,106
Accrued groundwater extraction charges, purchased water and power	24,798	17,200
Accounts payable	26,580	30,391
Accrued interest	14,615	14,174
Accrued payroll	9,814	11,583
Income tax payable	1,087	0
Other current liabilities	20,633	27,821
Total current liabilities	277,829	203,271
DEFERRED INCOME TAXES	203,561	200,451
ADVANCES FOR CONSTRUCTION	138,430	130,693
CONTRIBUTIONS IN AID OF CONSTRUCTION	319,564	316,479
POSTRETIREMENT BENEFIT PLANS	92,060	89,998
OTHER NONCURRENT LIABILITIES	24,049	24,049
COMMITMENTS AND CONTINGENCIES
Total capitalization and liabilities	$ 3,541,047	$ 3,492,395