Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
OPERATING ACTIVITIES:
Net income before noncontrolling interest	$ 29,113	$ 29,944
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	47,363	42,649
Deferred income taxes	(7,214)	(5,445)
Stock-based compensation	2,556	1,383
Gain on sale of real estate investments	(745)	0
Loss on sale of utility property	20	0
Unrealized loss on California Water Service Group stock	0	527
Loss on sale of California Water Service Group stock	0	(104)
Changes in operating assets and liabilities:
Accounts receivable and accrued unbilled utility revenue	(20,553)	(15,190)
Accounts payable and other current liabilities	4,166	3,493
Accrued groundwater extraction charges, purchased water and power	9,055	8,474
Tax payable and receivable, and other accrued taxes	4,471	12,482
Postretirement benefits	2,514	3,036
Regulatory assets and liability related to balancing and memorandum accounts	22,789	(4,822)
Other changes, net	(2,258)	(2,716)
NET CASH PROVIDED BY OPERATING ACTIVITIES	91,277	73,711
INVESTING ACTIVITIES:
Company-funded	(101,120)	(97,753)
Contributions in aid of construction	(10,040)	(5,908)
Additions to real estate investments	(137)	(123)
Payments to retire utility plant, net of salvage	(4,374)	(3,789)
Proceeds from sale of real estate investments	745	0
Payments for business/asset acquisition	0	(2,496)
Proceeds from sale of utility property	150	0
Proceeds from sale of California Water Service Group stock	0	4,112
NET CASH USED IN INVESTING ACTIVITIES	(114,776)	(105,957)
FINANCING ACTIVITIES:
Borrowings on line of credit	73,000	52,000
Repayments of line of credit	(111,000)	(1,000)
Long-term borrowings	80,000	0
Payment to noncontrolling interest	(224)	0
Debt issuance and broker fee costs	(1,157)	0
Dividends paid	(25,596)	(17,297)
Receipts of advances and contributions in aid of construction	13,373	8,968
Refunds of advances for construction	(2,295)	(2,075)
Other changes, net	1,378	(2,822)
NET CASH PROVIDED BY FINANCING ACTIVITIES	27,479	37,774
NET CHANGE IN CASH AND CASH EQUIVALENTS	3,980	5,528
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	420,722	7,799
CASH AND CASH EQUIVALENTS, END OF PERIOD	424,702	13,327
Cash paid during the period for:
Interest	19,821	19,705
Income taxes	16,286	5,145
Supplemental disclosure of non-cash activities:
Change in accrued payables for construction costs capitalized	505	1,221
Utility property installed by developers	$ (109)	$ 567