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v3.20.2

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, 2018 | $ 250,704 | $ 5,352 | $ 1,569 | $ 7,042 | $ 250,352 | $ (13,611)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Stock-based compensation | 897 | 102 |  | 795 |  |
Purchase of treasury shares | (1,300) | (36) |  | (1,264) |  |
Net income | 15,018 |  |  |  | 15,018 |
Cash dividends on Class A and Class B common stock | (1,153) |  |  |  | (1,153) |
Reclassification adjustment to net income, net of tax | 101 |  |  |  |  | 101
Balance, end of period at Mar. 31, 2019 | 264,267 | 5,418 | 1,569 | 6,573 | 264,217 | (13,510)
Balance, beginning of period at Dec. 31, 2018 | 250,704 | 5,352 | 1,569 | 7,042 | 250,352 | (13,611)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 22,993 |  |  |  |  |
Balance, end of period at Jun. 30, 2019 | 272,150 | 5,421 | 1,569 | 7,734 | 270,865 | (13,439)
Balance, beginning of period at Mar. 31, 2019 | 264,267 | 5,418 | 1,569 | 6,573 | 264,217 | (13,510)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Stock-based compensation | 1,249 | 5 |  | 1,244 |  |
Purchase of treasury shares | (85) | (2) |  | (83) |  |
Net income | 7,975 |  |  |  | 7,975 |
Cash dividends on Class A and Class B common stock | (1,327) |  |  |  | (1,327) |
Reclassification adjustment to net income, net of tax | 71 |  |  |  |  | 71
Balance, end of period at Jun. 30, 2019 | 272,150 | 5,421 | 1,569 | 7,734 | 270,865 | (13,439)
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)

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