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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Common stock amount | Additional paid-in capital | Retained earnings | Accumulated other comprehensive income | Treasury stock
--- | --- | --- | --- | --- | --- | ---
Balance at beginning of period at Dec. 31, 2016 | $ 156,740 | $ 13,577 | $ 23,027 | $ 130,489 | $ (4,326) | $ (6,027)
Comprehensive income: |  |  |  |  |  |
Net income | 10,767 |  |  | 10,767 |  |
Other comprehensive income (loss) | 2,621 |  |  |  | 2,621 |
Total comprehensive income | 13,388 |  |  | 10,767 | 2,621 |
Cash dividends declared | (5,744) |  |  | (5,744) |  |
Acquisition of Lake Sunapee Bank Group | 181,919 | 8,328 | 173,591 |  |  |
Treasury stock purchased | (86) |  |  |  |  | (86)
Net issuance to employee stock plans, including related tax effects | 365 |  | (68) | (40) |  | 473
Three-for-two stock split | (16) | 10,952 | (10,952) | (16) |  |
Recognition of stock based compensation | 556 |  | 556 |  |  |
Balance at end of period at Jun. 30, 2017 | 347,122 | 32,857 | 186,154 | 135,456 | (1,705) | (5,640)
Balance at beginning of period at Mar. 31, 2017 |  |  |  |  | (3,662) |
Comprehensive income: |  |  |  |  |  |
Net income | 6,556 |  |  |  |  |
Other comprehensive income (loss) | 1,957 |  |  |  |  |
Total comprehensive income | 8,513 |  |  |  |  |
Balance at end of period at Jun. 30, 2017 | 347,122 | 32,857 | 186,154 | 135,456 | (1,705) | (5,640)
Comprehensive income: |  |  |  |  |  |
Modified retrospective basis adoption of Revenue Recognition Accounting Codification Standard 606 | Accounting Standards Update 2014-09 | (184) |  |  | (184) |  |
Balance at beginning of period at Dec. 31, 2017 | 354,641 | 32,857 | 186,702 | 144,977 | (4,554) | (5,341)
Comprehensive income: |  |  |  |  |  |
Net income | 16,347 |  |  | 16,347 |  |
Other comprehensive income (loss) | (9,813) |  |  |  | (9,813) |
Total comprehensive income | 6,534 |  |  | 16,347 | (9,813) |
Cash dividends declared | (5,981) |  |  | (5,981) |  |
Treasury stock purchased | (278) |  |  |  |  | (278)
Net issuance to employee stock plans, including related tax effects | 604 |  | (131) |  |  | 735
Reclassification of the income tax effects of the Tax Cuts and Jobs Act from accumulated other comprehensive income for adoption of ASU 2018-02 | 0 |  |  | 980 | (980) |
Recognition of stock based compensation | 627 |  | 627 |  |  |
Balance at end of period at Jun. 30, 2018 | 355,963 | 32,857 | 187,198 | 156,139 | (15,347) | (4,884)
Balance at beginning of period at Mar. 31, 2018 |  |  |  |  | (13,163) |
Comprehensive income: |  |  |  |  |  |
Net income | 8,535 |  |  |  |  |
Other comprehensive income (loss) | (2,184) |  |  |  |  |
Total comprehensive income | 6,351 |  |  |  |  |
Balance at end of period at Jun. 30, 2018 | $ 355,963 | $ 32,857 | $ 187,198 | $ 156,139 | $ (15,347) | $ (4,884)

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