CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 13,465	$ 11,670
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation and Amortization	8,833	8,349
Provision for Deferred Income Taxes and Investment Tax Credits	2,536	3,351
Equity Portion of Allowance for Funds Used During Construction (AFUDC)	(149)	(242)
Cash Surrender Value of Life Insurance	(174)	(132)
Stock Compensation Expense	357	456
Changes in Assets and Liabilities:
Accounts Receivable	135	1,520
Unbilled Revenues	(1,510)	(2,060)
Materials & Supplies	(585)	571
Prepayments	(436)	(640)
Accounts Payable	566	(1,464)
Accrued Taxes	(42)	1,393
Accrued Interest	(513)	(307)
Employee Benefit Plans	(1,033)	182
Unearned Revenue & Advanced Service Fees	(1)	19
Other Assets and Liabilities	(284)	(1,484)
NET CASH PROVIDED BY OPERATING ACTIVITIES	21,165	21,182
CASH FLOWS FROM INVESTING ACTIVITIES:
Utility Plant Expenditures, Including AFUDC of $81 in 2013, $141 in 2012	(14,585)	(17,886)
Restricted Cash	(360)	(793)
Investment in Joint Venture	(1,205)	(1,000)
NET CASH USED IN INVESTING ACTIVITIES	(16,150)	(19,679)
CASH FLOWS FROM FINANCING ACTIVITIES:
Redemption of Long-term Debt	(10,440)	(4,191)
Proceeds from Issuance of Long-term Debt	3,987	4,929
Net Short-term Bank Borrowings	2,500	3,500
Deferred Debt Issuance Expense	(55)	(22)
Restricted Cash	6,070
Proceeds from Issuance of Common Stock	1,257	1,193
Payment of Common Dividends	(8,902)	(8,720)
Payment of Preferred Dividends	(147)	(155)
Construction Advances and Contributions-Net	627	655
NET CASH USED IN FINANCING ACTIVITIES	(5,103)	(2,811)
NET CHANGES IN CASH AND CASH EQUIVALENTS	(88)	(1,308)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	3,025	3,106
CASH AND CASH EQUIVALENTS AT END OF PERIOD	2,937	1,798
SUPPLEMENTAL DISCLOSURE OF NON-CASH ACTIVITY:
Utility Plant received as Construction Advances and Contributions	1,324	828
Long-term Debt Deobligation	64
Cash Paid During the Year for:
Interest	4,875	5,276
Interest Capitalized	81	141
Income Taxes	$ 5,169	$ 1,313