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Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock [Member] | Treasury Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Other Comprehensive Loss [Member] | Retained Earnings [Member]
--- | --- | --- | --- | --- | --- | ---
Beginning balance, common stock, shares issued at Dec. 31, 2018 |  | 44,076,000 |  |  |  |
Beginning Balance, net of taxes at Dec. 31, 2018 | $ 672,590 | $ 441 | $ (138,909) | $ 528,654 | $ (47,652) | $ 330,056
Beginning balance, treasury stock shares at Dec. 31, 2018 |  |  | 5,367,000 |  |  |
Net Income | 80,925 |  |  |  |  | 80,925
Other comprehensive income (loss) | (2,596) |  |  |  | (2,596) |
Common stock issued, shares |  | 277,000 |  |  |  |
Common stock issued, value | 3 | $ 3 |  |  |  |
Stock-based compensation | 7,973 |  |  | 7,973 |  |
Common stock dividends | $ (54,283) |  |  |  |  | (54,283)
Dividends declared per common share | $ 1.37 |  |  |  |  |
Tax withholding payments on stock-based awards | $ (3,574) |  |  | (3,574) |  |
Proceeds from exercise of stock options | 295 |  |  | 295 |  |
Other | (3) |  |  | (3) |  |
Ending balance, common stock, shares issued at Dec. 31, 2019 |  | 44,353,000 |  |  |  |
Ending Balance, net of taxes at Dec. 31, 2019 | 701,330 | $ 444 | $ (138,909) | 533,345 | (50,248) | 356,698
Ending balance, treasury stock shares at Dec. 31, 2019 |  |  | 5,367,000 |  |  |
Net Income | 174,979 |  |  |  |  | 174,979
Other comprehensive income (loss) | 49,170 |  |  |  | 49,170 |
Common stock issued, shares |  | 215,000 |  |  |  |
Common stock issued, value | 2 | $ 2 |  |  |  |
Stock-based compensation | 7,820 |  |  | 7,820 |  |
Common stock dividends | $ (79,343) |  |  |  |  | (79,343)
Dividends declared per common share | $ 2.00 |  |  |  |  |
Tax withholding payments on stock-based awards | $ (3,309) |  |  | (3,309) |  |
Proceeds from exercise of stock options | 152 |  |  | 152 |  |
Other | $ (2) |  |  | (2) |  |
Ending balance, common stock, shares issued at Dec. 31, 2020 | 44,568,299 | 44,568,000 |  |  |  |
Ending Balance, net of taxes at Dec. 31, 2020 | $ 850,799 | $ 446 | $ (138,909) | 538,006 | (1,078) | 452,334
Ending balance, treasury stock shares at Dec. 31, 2020 | 5,367,000 |  | 5,367,000 |  |  |
Net Income | $ 712,486 |  |  |  |  | 712,486
Other comprehensive income (loss) | 31 |  |  |  | 31 |
Common stock issued, shares |  | 130,000 |  |  |  |
Common stock issued, value | 1 | $ 1 |  |  |  |
Stock-based compensation | 7,911 |  |  | 7,911 |  |
Common stock dividends | $ (215,941) |  |  |  |  | (215,941)
Dividends declared per common share | $ 5.42 |  |  |  |  |
Tax withholding payments on stock-based awards | $ (2,729) |  |  | (2,729) |  |
Proceeds from exercise of stock options | 63 |  |  | 63 |  |
Other | $ (2) |  |  | (2) |  |
Ending balance, common stock, shares issued at Dec. 31, 2021 | 44,697,880 | 44,698,000 |  |  |  |
Ending Balance, net of taxes at Dec. 31, 2021 | $ 1,352,619 | $ 447 | $ (138,909) | $ 543,249 | $ (1,047) | $ 948,879
Ending balance, treasury stock shares at Dec. 31, 2021 | 5,367,000 |  | 5,367,000 |  |  |

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