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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Retained Earnings | Treasury Stock | Accumulated Other Comprehensive Loss
--- | --- | --- | --- | --- | --- | ---
Beginning balances at Dec. 31, 2016 |  | $ 143,748 | $ 53 | $ 45,603 | $ 124,111 | $ (15,265) | $ (10,754)
Increase (Decrease) in Shareholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income |  | 9,589 |  |  | 9,589 |  |
Other comprehensive income (loss) |  | 3,479 |  |  |  |  | 3,479
Restricted stock awards |  | 162 |  | 162 |  |  |
Restricted stock units for directors' deferred compensation plan |  | 72 |  | 72 |  |  |
Cash dividends declared |  | (3,694) |  |  | (3,694) |  |
Distribution of treasury stock for directors' compensation |  | 269 |  | 68 |  | 201 |
Distribution of shares of treasury stock for employee stock compensation |  | 200 |  | 50 |  | 150 |
Distribution of treasury stock for deferred directors' compensation |  | 11 |  | (51) |  | 62 |
Sale of treasury stock | [1] | 441 |  | 142 |  | 299 |
Forfeiture of 1,139 shares of restricted stock awards |  | 0 |  | 43 |  | (43) |
Ending balances at Sep. 30, 2017 |  | 154,277 | 53 | 46,089 | 130,006 | (14,596) | (7,275)
Beginning balances at Jun. 30, 2017 |  |  |  |  |  |  | (6,972)
Increase (Decrease) in Shareholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income |  | 3,654 |  |  |  |  |
Other comprehensive income (loss) |  | (303) |  |  |  |  | (303)
Ending balances at Sep. 30, 2017 |  | 154,277 | 53 | 46,089 | 130,006 | (14,596) | (7,275)
Increase (Decrease) in Shareholders' Equity [Roll Forward] |  |  |  |  |  |  |
Cumulative effect of account change | [2] | (162) |  |  | 40 |  | (202)
Balances at January 1, 2018, as adjusted |  | 149,651 | 53 | 45,967 | 128,493 | (14,320) | (10,542)
Beginning balances at Dec. 31, 2017 |  | 149,813 | 53 | 45,967 | 128,453 | (14,320) | (10,340)
Increase (Decrease) in Shareholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income |  | 13,896 |  |  | 13,896 |  |
Other comprehensive income (loss) |  | (4,745) |  |  |  |  | (4,745)
Restricted stock awards |  | 301 |  | 301 |  |  |
Restricted stock units for directors' deferred compensation plan |  | 57 |  | 57 |  |  |
Cash dividends declared |  | (3,735) |  |  | (3,735) |  |
Distribution of treasury stock for directors' compensation |  | 301 |  | 147 |  | 154 |
Distribution of shares of treasury stock for employee stock compensation |  | 89 |  | 44 |  | 45 |
Distribution of treasury stock for deferred directors' compensation |  | 218 |  | (722) |  | 940 |
Sale of treasury stock | [1] | 466 |  | 212 |  | 254 |
Ending balances at Sep. 30, 2018 |  | 156,499 | 53 | 46,006 | 138,654 | (12,927) | (15,287)
Beginning balances at Jun. 30, 2018 |  |  |  |  |  |  | (14,121)
Increase (Decrease) in Shareholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income |  | 6,930 |  |  |  |  |
Other comprehensive income (loss) |  | (1,166) |  |  |  |  | (1,166)
Ending balances at Sep. 30, 2018 |  | $ 156,499 | $ 53 | $ 46,006 | $ 138,654 | $ (12,927) | $ (15,287)
[1] | All treasury stock sales were completed at the prevailing market price with the Chemung Canal Trust Company Profit Sharing, Savings, and Investment Plan which is a defined contribution plan sponsored by the Bank.
[2] | Due to implementation of ASC 2016-01. See "Adoption of New Accounting Standards" discussion in Note 1.

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