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CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Income Statement [Abstract] |  |  |
Operating Revenues | $ 110,379 | $ 102,069 | $ 102,735
Operating Expenses: |  |  |
Operations and Maintenance | 60,458 | 56,634 | 55,481
Depreciation | 10,409 | 9,746 | 9,244
Other Taxes | 11,865 | 11,488 | 11,413
Total Operating Expenses | 82,732 | 77,868 | 76,138
Operating Income | 27,647 | 24,201 | 26,597
Other Income (Expense): |  |  |
Allowance for Funds Used During Construction | 484 | 821 | 970
Other Income | 517 | 1,523 | 912
Other Expense | (144) | (195) | (438)
Total Other Income, net | 857 | 2,149 | 1,444
Interest Charges | 6,725 | 6,376 | 6,925
Income before Income Taxes | 21,779 | 19,974 | 21,116
Income Taxes | 7,383 | 6,527 | 6,786
Net Income | 14,396 | 13,447 | 14,330
Preferred Stock Dividend Requirements | 206 | 206 | 207
Earnings Applicable to Common Stock | $ 14,190 | $ 13,241 | $ 14,123
Earnings per share of Common Stock: |  |  |
Basic | $ 0.90 | $ 0.85 | $ 0.96
Diluted | $ 0.90 | $ 0.84 | $ 0.96
Average Number of Common Shares Outstanding: |  |  |
Basic | 15,733,000 | 15,615,000 | 14,654,000
Diluted | 15,995,000 | 15,877,000 | 14,916,000
Cash Dividends Paid per Common Share | $ 0.743 | $ 0.733 | $ 0.723

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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1448-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 8 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 07-4 -Paragraph 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 171 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Weighted-Average Number of Common Shares Outstanding -URI http://asc.fasb.org/extlink&oid=6528421 + Details
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