CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 17,828	$ 17,381
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation and Amortization	12,900	10,304
Provision for Deferred Income Taxes and Investment Tax Credits	(7,852)	(7,206)
Equity Portion of Allowance for Funds Used During Construction (AFUDC)	(1,171)	(1,182)
Cash Surrender Value of Life Insurance	(109)	(47)
Stock Compensation Expense	760	632
Changes in Assets and Liabilities:
Accounts Receivable	1,289	(711)
Unbilled Revenues	(1,752)	(1,756)
Materials & Supplies	451	171
Prepayments	(1,572)	(1,594)
Accounts Payable	(7,343)	(503)
Accrued Taxes	2,082	2,471
Accrued Interest	31	61
Employee Benefit Plans	790	840
Unearned Revenue & Advanced Service Fees	149	118
Other Assets and Liabilities	(1,902)	1,803
NET CASH PROVIDED BY OPERATING ACTIVITIES	14,579	20,782
CASH FLOWS FROM INVESTING ACTIVITIES:
Utility Plant Expenditures, Including AFUDC of $860 in 2021 and $735 in 2020	(46,500)	(45,417)
NET CASH USED IN INVESTING ACTIVITIES	(46,500)	(45,417)
CASH FLOWS FROM FINANCING ACTIVITIES:
Redemption of Long-term Debt	(2,332)	(2,288)
Proceeds from Issuance of Long-term Debt	1,595	9,721
Net Short-term Bank Borrowings	29,500	17,500
Deferred Debt Issuance Expense	(14)	(33)
Proceeds from Issuance of Common Stock	596	608
Payment of Common Dividends	(9,527)	(8,942)
Payment of Preferred Dividends	(60)	(60)
Construction Advances and Contributions-Net	7,946	3,762
NET CASH PROVIDED BY FINANCING ACTIVITIES	27,704	20,268
NET CHANGES IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(4,217)	(4,367)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF PERIOD	10,406	46,499
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD	6,189	42,132
SUPPLEMENTAL DISCLOSURE OF NON-CASH ACTIVITY:
Utility Plant received as Construction Advances and Contributions	3,357	3,796
Cash Paid During the Year for:
Interest	3,975	3,754
Interest Capitalized	860	735
Income Taxes	$ 2,320	$ 377