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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:      
Net Income $ 32,452 $ 22,809 $ 22,742
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:      
Depreciation and Amortization 15,780 14,846 13,532
Provision for Deferred Income Taxes and ITC (8,724) 7,944 3,553
Equity Portion of AFUDC (919) (481) (423)
Cash Surrender Value of Life Insurance 27 (209) (101)
Stock Compensation Expense 1,084 840 829
Changes in Assets and Liabilities:      
Accounts Receivable (977) (656) (69)
Unbilled Revenues (294) (409) (344)
Materials & Supplies (1,293) (24) (1,494)
Prepayments (236) (384) 11
Accounts Payable 5,396 1,586 5,818
Accrued Taxes 2,812 (967) 3,259
Accrued Interest 196 9 (20)
Employee Benefit Plans (2,114) (1,920) (1,601)
Unearned Revenue & Advanced Service Fees 85 28 43
Other Assets and Liabilities 2,589 (169) 1,336
NET CASH PROVIDED BY OPERATING ACTIVITIES 45,864 42,843 47,071
CASH FLOWS FROM INVESTING ACTIVITIES:      
Utility Plant Expenditures, Including AFUDC of $443 in 2018, $221 in 2017 and $196 in 2016 (72,094) (50,301) (47,375)
NET CASH USED IN INVESTING ACTIVITIES (72,094) (50,301) (47,375)
CASH FLOWS FROM FINANCING ACTIVITIES:      
Redemption of Long-term Debt (7,024) (6,159) (5,898)
Proceeds from Issuance of Long-term Debt 22,076 11,523 8,585
Net Short-term Bank Borrowings 20,500 16,000 9,000
Deferred Debt Issuance Expense (880) (230) (152)
Proceeds from Issuance of Common Stock 1,150 1,234 1,453
Payment of Common Dividends (14,930) (14,002) (13,137)
Payment of Preferred Dividends (144) (144) (144)
Construction Advances and Contributions-Net 4,746 1,315 1,007
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES 25,494 9,537 714
NET CHANGES IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH (736) 2,079 410
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF PERIOD 6,397 4,318 3,908
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD 5,661 6,397 4,318
SUPPLEMENTAL DISCLOSURE OF NON-CASH ACTIVITY:      
Utility Plant received as Construction Advances and Contributions 3,835 3,778 1,439
Long-term Debt Deobligation 476
Cash Paid During the Year for:      
Interest 6,113 5,616 5,430
Interest Capitalized 443 221 196
Income Taxes $ 4,689 $ 2,754 $ 5,729