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v3.20.4

Consolidated Statements Of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Retained Earnings | Accumulated Other Comprehensive Income
--- | --- | --- | --- | ---
Balance, beginning of year at Dec. 31, 2018 | $ 175,639 | $ 0 | $ 174,690 | $ 949
Balance, beginning of year, shares at Dec. 31, 2018 |  | 1,887 |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Net income | 31,458 |  | 31,458 |
Dividends | (18,131) |  | (18,131) |
Shares of common stock repurchased and retired (in shares) |  | 0 |  |
Shares of common stock repurchased and retired | (19) |  | (19) |
Exercise of stock appreciation rights (in shares) |  | 2 |  |
Exercise of stock appreciation rights | 0 |  | 0 |
Share-based compensation expense | 264 |  | 264 |
Accumulated postretirement benefit obligation adjustment | 0 |  |  |
Net unrealized gain (loss) on investments | 2,151 |  |  | 2,151
Other | 0 |  |  |
Balance, end of year at Dec. 31, 2019 | 191,362 | $ 0 | 188,262 | 3,100
Balance, end of year, shares at Dec. 31, 2019 |  | 1,889 |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Net income | 39,420 |  | 39,420 |
Dividends | (31,716) |  | (31,716) |
Shares of common stock repurchased and retired (in shares) |  | 0 |  |
Shares of common stock repurchased and retired | (6) |  | (6) |
Exercise of stock appreciation rights (in shares) |  | 3 |  |
Exercise of stock appreciation rights | 1 |  | 1 |
Share-based compensation expense | 229 |  | 229 |
Accumulated postretirement benefit obligation adjustment | (112) |  |  | (112)
Net unrealized gain (loss) on investments | 1,338 |  |  | 1,338
Other | (94) |  | (94) |
Balance, end of year at Dec. 31, 2020 | $ 200,422 | $ 0 | $ 196,096 | $ 4,326
Balance, end of year, shares at Dec. 31, 2020 |  | 1,892 |  |

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