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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Common Stock | Additional Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Treasury Stock | Stockholders' Equity, Total
--- | --- | --- | --- | --- | --- | ---
Equity Balance at Dec. 31, 2019 | $ 143 | $ 33,510 | $ 537,167 | $ 32,246 |  | $ 603,066
Net Income |  |  | 14,868 |  |  | 14,868
Stock issued under Stock Option Plan |  | 448 |  |  | $ 87 | 535
Common dividends declared |  |  | (19,054) |  |  | (19,054)
Other comprehensive gain |  |  |  | 22,965 |  | 22,965
Purchase of the Company's common stock |  |  |  |  | (8,148) | (8,148)
Reclassification of treasury stock per Maryland law | (2) |  | (8,059) |  | 8,061 |
Equity Balance at Mar. 31, 2020 | 141 | 33,958 | 524,922 | 55,211 |  | 614,232
Equity Balance at Dec. 31, 2020 | 138 | 35,004 | 541,448 | 53,151 |  | 629,741
Net Income |  |  | 18,868 |  |  | 18,868
Stock issued under Stock Option Plan |  | 657 |  |  | 263 | 920
Common dividends declared |  |  | (4,656) |  |  | (4,656)
Other comprehensive gain |  |  |  | (15,461) |  | (15,461)
Purchase of the Company's common stock |  |  |  |  | (3,780) | (3,780)
Reclassification of treasury stock per Maryland law | (1) |  | (3,516) |  | $ 3,517 |
Equity Balance (CECL adoption) at Mar. 31, 2021 |  |  | (14,175) |  |  | (14,175)
Equity Balance at Mar. 31, 2021 | $ 137 | $ 35,661 | $ 537,969 | $ 37,690 |  | $ 611,457

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