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v3.21.2

Unaudited Condensed Consolidated Statements of Changes in Equity - USD ($) $ in Thousands | Total | Common Stock Class A Common Stock | Common Stock Class B Common Stock | Capital in Excess of Par Value | Retained Earnings | Accumulated Other Comprehensive Income (Loss)
--- | --- | --- | --- | --- | --- | ---
Balance, beginning of period at Dec. 31, 2019 | $ 289,392 | $ 5,397 | $ 1,569 | $ 8,911 | $ 284,852 | $ (11,337)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Stock-based compensation | 465 | 88 |  | 377 |  |
Purchase of treasury shares | (1,002) | (32) |  | (970) |  |
Net income | 6,166 |  |  |  | 6,166 |
Cash dividends on Class A and Class B common stock | (1,339) |  |  |  | (1,339) |
Reclassification adjustment to net income, net of tax | 155 |  |  |  |  | 155
Balance, end of period at Mar. 31, 2020 | 293,837 | 5,453 | 1,569 | 8,318 | 289,679 | (11,182)
Balance, beginning of period at Dec. 31, 2019 | 289,392 | 5,397 | 1,569 | 8,911 | 284,852 | (11,337)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 12,216 |  |  |  |  |
Balance, end of period at Jun. 30, 2020 | 299,271 | 5,463 | 1,569 | 8,942 | 294,378 | (11,081)
Balance, beginning of period at Mar. 31, 2020 | 293,837 | 5,453 | 1,569 | 8,318 | 289,679 | (11,182)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Stock-based compensation | 634 | 10 |  | 624 |  |
Net income | 6,050 |  |  |  | 6,050 |
Cash dividends on Class A and Class B common stock | (1,351) |  |  |  | (1,351) |
Reclassification adjustment to net income, net of tax | 101 |  |  |  |  | 101
Balance, end of period at Jun. 30, 2020 | 299,271 | 5,463 | 1,569 | 8,942 | 294,378 | (11,081)
Balance, beginning of period at Dec. 31, 2020 | 300,624 | 5,490 | 1,568 | 10,895 | 294,270 | (11,599)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Stock-based compensation | 1,015 | 92 |  | 923 |  |
Conversion of Class B to Class A shares | 0 | 1 | (1) |  |  |
Net income | 8,961 |  |  |  | 8,961 |
Cash dividends on Class A and Class B common stock | (1,374) |  |  |  | (1,374) |
Reclassification adjustment to net income, net of tax | 143 |  |  |  |  | 143
Balance, end of period at Mar. 31, 2021 | 309,369 | 5,583 | 1,567 | 11,818 | 301,857 | (11,456)
Balance, beginning of period at Dec. 31, 2020 | 300,624 | 5,490 | 1,568 | 10,895 | 294,270 | (11,599)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 15,466 |  |  |  |  |
Balance, end of period at Jun. 30, 2021 | 315,727 | 5,595 | 1,567 | 12,928 | 306,950 | (11,313)
Balance, beginning of period at Mar. 31, 2021 | 309,369 | 5,583 | 1,567 | 11,818 | 301,857 | (11,456)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Stock-based compensation | 1,122 | 12 |  | 1,110 |  |
Net income | 6,505 |  |  |  | 6,505 |
Cash dividends on Class A and Class B common stock | (1,412) |  |  |  | (1,412) |
Reclassification adjustment to net income, net of tax | 143 |  |  |  |  | 143
Balance, end of period at Jun. 30, 2021 | $ 315,727 | $ 5,595 | $ 1,567 | $ 12,928 | $ 306,950 | $ (11,313)

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