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v3.20.4

Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Treasury Stock | Retained Earnings | Accumulated Other Comprehensive Income
--- | --- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Dec. 31, 2017 |  | 11,534 |  |  |  |
Beginning balance at Dec. 31, 2017 | $ 449,108 | $ 1,158 | $ 103,864 | $ (426) | $ 374,678 | $ (30,166)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Other comprehensive income | 58,821 |  |  |  | 73,486 | (14,665)
Stock-based compensation expense | 2,450 |  | 2,450 |  |  |
Stock-based compensation transactions (in shares) |  | 86 |  |  |  |
Stock-based compensation transactions | 2,116 | $ 8 | 2,108 |  |  |
Dividends paid | (5,124) |  |  |  | (5,124) |
Ending balance (in shares) at Dec. 31, 2018 |  | 11,620 |  |  |  |
Ending balance at Dec. 31, 2018 | 507,371 | $ 1,166 | 108,422 | (426) | 443,040 | (44,831)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Other comprehensive income | 66,899 |  |  |  | 62,906 | 3,993
Stock-based compensation expense | 3,269 |  | 3,269 |  |  |
Stock-based compensation transactions (in shares) |  | 90 |  |  |  |
Stock-based compensation transactions | 1,984 | $ 9 | 1,975 |  |  |
Repurchased shares (in shares) |  | (40) |  |  |  |
Repurchased shares | (4,140) |  |  | (4,140) |  |
Dividends paid | (5,626) |  |  |  | (5,626) |
Ending balance (in shares) at Dec. 31, 2019 |  | 11,670 |  |  |  |
Ending balance at Dec. 31, 2019 | 569,757 | $ 1,175 | 113,666 | (4,566) | 500,320 | (40,838)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Other comprehensive income | 57,142 |  |  |  | 56,630 | 512
Stock-based compensation expense | 4,119 |  | 4,119 |  |  |
Stock-based compensation transactions (in shares) |  | 57 |  |  |  |
Stock-based compensation transactions | 749 | $ 6 | 743 |  |  |
Dividends paid | (6,124) |  |  |  | (6,124) |
Ending balance (in shares) at Dec. 31, 2020 |  | 11,727 |  |  |  |
Ending balance at Dec. 31, 2020 | $ 625,643 | $ 1,181 | $ 118,528 | $ (4,566) | $ 550,826 | $ (40,326)

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