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PARENT COMPANY FINANCIAL INFORMATION (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Assets: |  |  |  |
Cash on deposit with subsidiary bank | $ 24,886 | $ 28,130 |  |
Securities available for sale, at estimated fair value | 344,820 | 280,507 |  |
Total assets | 1,619,964 | 1,524,539 | $ 1,476,143 |
Liabilities and shareholders' equity: |  |  |  |
Dividends payable | 1,214 | 1,204 | 1,195 |
Total liabilities | 1,482,722 | 1,390,911 |  |
Shareholders' equity: |  |  |  |
Total shareholders' equity | 137,242 | 133,628 | 138,578 | $ 131,115
Total liabilities and shareholders' equity | 1,619,964 | 1,524,539 |  |
STATEMENTS OF INCOME [Abstract] |  |  |  |
Income before income tax expense | 14,091 | 11,866 | 12,553 |
Income tax benefit | 4,658 | 3,709 | 3,822 |
Net income | 9,433 | 8,157 | 8,731 |
Cash flows from operating activities: |  |  |  |
Net income | 9,433 | 8,157 | 8,731 |
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
Change in other assets | 4,931 | (7,579) | (4,246) |
Change in other liabilities | (9,421) | 15,086 | 9,403 |
Net cash provided by operating activities | 14,123 | 18,443 | 22,972 |
Cash flow from financing activities: |  |  |  |
Purchase of treasury stock | 0 | 0 | (93) |
Sale of treasury stock | 438 | 0 | 71 |
Net cash provided by financing activities | 97,547 | 30,249 | 34,883 |
Increase (decrease) in cash and cash equivalents | (2,978) | (22,446) | 11,368 |
Cash and cash equivalents, beginning of period | 29,163 | 51,609 | 40,241 |
Cash and cash equivalents, end of period | 26,185 | 29,163 | 51,609 |
Parent Company |  |  |  |
Assets: |  |  |  |
Cash on deposit with subsidiary bank | 1,795 | 3,200 |  |
Dividends receivable from subsidiary bank | 1,214 | 1,204 |  |
Securities available for sale, at estimated fair value | 337 | 346 |  |
Other assets | 907 | 1,129 |  |
Total assets | 138,510 | 134,868 |  |
Liabilities and shareholders' equity: |  |  |  |
Dividends payable | 1,214 | 1,204 |  |
Other liabilities | 54 | 36 |  |
Total liabilities | 1,268 | 1,240 |  |
Shareholders' equity: |  |  |  |
Total shareholders' equity | 137,242 | 133,628 |  |
Total liabilities and shareholders' equity | 138,510 | 134,868 |  |
STATEMENTS OF INCOME [Abstract] |  |  |  |
Dividends from subsidiary bank | 2,424 | 4,805 | 4,778 |
Interest and dividend income | 9 | 10 | 9 |
Other income | 0 | 0 | 132 |
Operating expenses | 270 | 261 | 324 |
Income before income tax expense | 2,163 | 4,554 | 4,595 |
Income before income tax | 9,264 | 7,990 | 8,607 |
Income tax benefit | (169) | (167) | (124) |
Net income | 9,433 | 8,157 | 8,731 |
Cash flows from operating activities: |  |  |  |
Net income | 9,433 | 8,157 | 8,731 |
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
Change in dividend receivable | (10) | (9) | (1,195) |
Change in other assets | 222 | 126 | 558 |
Change in other liabilities | (23) | 110 | 79 |
Expense related to employee stock compensation | 93 | 117 | 112 |
Expense related to restricted stock units for directors' deferred compensation plan | 95 | 94 | 99 |
Expense to employee restricted stock awards | 314 | 151 | 131 |
Net cash provided by operating activities | 3,023 | 5,310 | 4,503 |
Cash flow from financing activities: |  |  |  |
Cash dividends paid | (4,833) | (4,796) | (3,583) |
Purchase of treasury stock | (33) | 0 | (93) |
Sale of treasury stock | 438 | 0 | 71 |
Net cash provided by financing activities | (4,428) | (4,796) | (3,605) |
Increase (decrease) in cash and cash equivalents | (1,405) | 514 | 898 |
Cash and cash equivalents, beginning of period | 3,200 | 2,686 | 1,788 |
Cash and cash equivalents, end of period | 1,795 | 3,200 | 2,686 |
Parent Company | Chemung Canal Trust Company |  |  |  |
Assets: |  |  |  |
Investment in subsidiary | 133,263 | 128,081 |  |
STATEMENTS OF INCOME [Abstract] |  |  |  |
Equity in undistributed earnings | 7,015 | 3,307 | 3,873 |
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
Equity in undistributed earnings | (7,015) | (3,307) | (3,873) |
Parent Company | CFS Group Inc. |  |  |  |
Assets: |  |  |  |
Investment in subsidiary | 994 | 908 |  |
STATEMENTS OF INCOME [Abstract] |  |  |  |
Equity in undistributed earnings | 86 | 129 | 139 |
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
Equity in undistributed earnings | $ (86) | $ (129) | $ (139) |

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