Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
OPERATING ACTIVITIES:
Net income	$ 15,295	$ 23,391
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	53,830	48,406
Deferred income taxes	2,239	903
Stock-based compensation	2,593	2,071
Allowance for equity funds used during construction	(1,084)	(916)
Gain on sale of nonutility properties and Texas Water Alliance	(5,450)	(3,000)
Changes in operating assets and liabilities:
Accounts receivable and accrued unbilled utility revenue	(8,487)	(7,812)
Accounts payable and other current liabilities	(1,158)	553
Accrued groundwater extraction charges, purchased water and power	7,598	7,106
Tax receivable and payable, and other accrued taxes	(22)	2,647
Postretirement benefits	459	1,955
Regulatory assets and liabilities excluding income tax temporary differences, net and postretirement benefits	17,284	(8,231)
Other changes, net	501	23
NET CASH PROVIDED BY OPERATING ACTIVITIES	83,598	67,096
INVESTING ACTIVITIES:
Company-funded	(101,611)	(100,057)
Contributions in aid of construction	(13,332)	(7,357)
Additions to real estate investments	(546)	(230)
Payments to retire utility plant, net of salvage	(1,836)	(909)
Proceeds from sale of nonutility properties and Texas Water Alliance	227	3,000
Payments for business acquisitions	(33)	(1,452)
NET CASH USED IN INVESTING ACTIVITIES	(117,131)	(107,005)
FINANCING ACTIVITIES:
Borrowings on line of credit	88,664	45,669
Repayments on line of credit	(10,324)	(82,222)
Long-term borrowings	15,000	87,000
Repayments of long-term borrowings	(51,612)	(51,617)
Issuance of common stock, net of issuance costs	0	66,775
Debt issuance costs	0	(296)
Dividends paid	(21,771)	(19,857)
Receipts of advances and contributions in aid of construction	15,769	14,673
Refunds of advances for construction	(1,345)	(1,363)
Other changes, net	(316)	(21)
NET CASH PROVIDED BY FINANCING ACTIVITIES	34,065	58,741
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	532	18,832
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF PERIOD	12,119	9,269
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD	12,651	28,101
LESS RESTRICTED CASH, END OF PERIOD	602	2,659
CASH AND CASH EQUIVALENTS, END OF PERIOD	12,049	25,442
Cash paid during the period for:
Interest	30,189	29,266
Income taxes	458	1,020
Supplemental disclosure of non-cash activities:
Accrued payables for additions to utility plant	18,502	29,123
Utility property installed by developers	$ 1,066	$ 1,230