Consolidated Balance Sheets - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Utility plant:
Land	$ 34,395,000	$ 18,296,000
Depreciable plant and equipment	2,988,454,000	1,833,051,000
Construction in progress	112,232,000	68,765,000
Intangible assets	33,424,000	15,799,000
Property, Plant and Equipment, Gross	3,168,505,000	1,935,911,000
Less accumulated depreciation and amortization	962,019,000	607,090,000
Public Utilities, Property, Plant and Equipment, Net	2,206,486,000	1,328,821,000
Real estate investments	57,699,000	56,336,000
Less accumulated depreciation and amortization	13,597,000	12,327,000
Property, Plant and Equipment, Net	44,102,000	44,009,000
Current assets:
Cash	12,944,000	8,722,000
Restricted fund	5,000,000	0
Money market fund	0	412,000,000
Accounts receivable:
Customers, net of allowances for uncollectible accounts of $1,512 and $272 in 2019 and 2018, respectively	36,305,000	19,154,000
Income tax	8,837,000	1,888,000
Other	2,833,000	1,203,000
Accrued unbilled utility revenue	40,102,000	27,974,000
Current regulatory assets, net	6,472,000	26,910,000
Other current assets	9,553,000	4,871,000
Assets, Current	122,046,000	502,722,000
Other assets:
Net regulatory assets, less current portion	113,945,000	76,715,000
Investments	12,928,000	0
Goodwill	628,287,000	1,680,000
Other	4,676,000	2,442,000
Assets, Noncurrent	759,836,000	80,837,000
Assets	3,132,470,000	1,956,389,000
Stockholders’ equity:
Common stock, $0.001 par value; authorized 70,000,000 shares in 2019 and 36,000,000 shares in 2018; issued and outstanding 28,456,508 shares in 2019 and 28,404,316 shares in 2018	28,000	28,000
Additional paid-in capital	506,639,000	495,366,000
Retained earnings	383,191,000	393,918,000
Accumulated other comprehensive income	126,000	0
Total stockholders’ equity	889,984,000	889,312,000
Long-term debt, less current portion	1,283,597,000	431,424,000
Capitalization, Long-term Debt and Equity	2,173,581,000	1,320,736,000
Current liabilities:
Lines of credit	117,209,000	100,000,000
Current portion of long-term debt	22,272,000	0
Accrued groundwater extraction charges, purchased water and power	17,211,000	13,694,000
Accounts payable	34,886,000	24,937,000
Accrued interest	13,140,000	7,132,000
Accrued property taxes and other non-income taxes	2,039,000	1,926,000
Accrued payroll	11,570,000	7,181,000
Other current liabilities	16,240,000	9,115,000
Liabilities, Current	234,567,000	163,985,000
Deferred income taxes	195,598,000	79,651,000
Advances for construction	112,339,000	80,610,000
Contributions in aid of construction	286,035,000	168,243,000
Postretirement benefit plans	108,044,000	70,490,000
Regulatory liabilities, net	0	59,149,000
Other noncurrent liabilities	22,306,000	13,525,000
Commitments and contingencies	0	0
Liabilities and Equity	$ 3,132,470,000	$ 1,956,389,000