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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 (loss) | 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 | 25,993 |  |  | 25,993 |  |
Other comprehensive income loss | (228) |  |  |  | (228) |
Total comprehensive income | 25,765 |  |  | 25,993 | (228) |
Cash dividends declared | (11,505) |  |  | (11,505) |  |
Acquisition of Lake Sunapee Bank Group | 181,919 | 8,328 | 173,591 |  |  |
Treasury stock purchased | (282) |  |  |  |  | (282)
Net issuance to employee stock plans, including related tax effects | 746 |  | (222) |  |  | 968
Three-for-two stock split | (16) | 10,952 | (10,968) |  |  |
Recognition of stock based compensation | 1,274 |  | 1,274 |  |  |
Balance at end of period at Dec. 31, 2017 | 354,641 | 32,857 | 186,702 | 144,977 | (4,554) | (5,341)
Comprehensive income: |  |  |  |  |  |
Net income | 32,937 |  |  | 32,937 |  |
Other comprehensive income loss | (6,268) |  |  |  | (6,268) |
Total comprehensive income | 26,669 |  |  | 32,937 | (6,268) |
Cash dividends declared | (12,184) |  |  | (12,184) |  |
Treasury stock purchased | (324) |  |  |  |  | (324)
Net issuance to employee stock plans, including related tax effects | 615 |  | (395) |  |  | 1,010
Modified retrospective basis adoption of Revenue Recognition Accounting Codification Standard 606 | (184) |  |  | (184) |  |
Reclassification of the income tax effects of the Tax Cuts and Jobs Act from accumulated other comprehensive income for adoption of ASU 2018-02 |  |  |  | 980 | (980) |
Recognition of stock based compensation | 1,346 |  | 1,346 |  |  |
Balance at end of period at Dec. 31, 2018 | 370,579 | 32,857 | 187,653 | 166,526 | (11,802) | (4,655)
Comprehensive income: |  |  |  |  |  |
Net income | 22,620 |  |  | 22,620 |  |
Other comprehensive income loss | 15,713 |  |  |  | 15,713 |
Total comprehensive income | 38,333 |  |  | 22,620 | 15,713 |
Cash dividends declared | (13,366) |  |  | (13,366) |  |
Treasury stock purchased | (239) |  |  |  |  | (239)
Net issuance to employee stock plans, including related tax effects | (273) |  | (490) |  |  | 217
Recognition of stock based compensation | 1,373 |  | 1,373 |  |  |
Balance at end of period at Dec. 31, 2019 | $ 396,407 | $ 32,857 | $ 188,536 | $ 175,780 | $ 3,911 | $ (4,677)

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