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ACNB CORPORATION (PARENT COMPANY ONLY) FINANCIAL INFORMATION (Statements of Income) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Condensed Financial Statements, Captions [Line Items] |  |
Gain on sale of securities | $ 0 | $ 85
Other income | 18,169 | 15,948
Income tax benefit | (5,645) | (4,972)
Net Income | 23,721 | 21,748
Comprehensive Income | 27,085 | 19,623
Corporation |  |
Condensed Financial Statements, Captions [Line Items] |  |
Dividends from banking subsidiary | 6,920 | 6,261
Gain on sale of securities | 0 | 47
Other income | 282 | 35
Total Revenues | 7,202 | 6,343
Expenses | 1,739 | 1,421
Net income before taxes and equity in undistributed earnings of subsidiaries | 5,463 | 4,922
Income tax benefit | 501 | 547
Net income before equity in undistributed earnings of subsidiaries | 5,964 | 5,469
Equity in undistributed earnings of subsidiaries | 17,757 | 16,279
Net Income | 23,721 | 21,748
Comprehensive Income | $ 27,085 | $ 19,623

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