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v3.20.4

Statements of Common Stockholders' Equity - USD ($) $ in Thousands | Common Stock [Member] | Retained Earnings [Member] | Total
--- | --- | --- | ---
Balance at Dec. 31, 2018 | $ 81,305 | $ 44,890 | $ 126,195
Balance (in shares) at Dec. 31, 2018 | 12,943,536 |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Net income | $ 0 | 14,402 | 14,402
Cash dividends declared | 0 | (9,083) | (9,083)
Issuance of common stock under dividend reinvestment, direct stock and employee stock purchase plans | $ 2,505 | 0 | 2,505
Issuance of common stock under dividend reinvestment, direct stock and employee stock purchase plans (in shares) | 64,399 |  |
Stock-based compensation | $ 166 | 0 | 166
Stock-based compensation (in shares) | 6,963 |  |
Balance at Dec. 31, 2019 | $ 83,976 | 50,209 | $ 134,185
Balance (in shares) at Dec. 31, 2019 | 13,014,898 |  | 13,014,898
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Net income | $ 0 | 16,598 | $ 16,598
Cash dividends declared | 0 | (9,490) | (9,490)
Issuance of common stock under dividend reinvestment, direct stock and employee stock purchase plans | $ 1,805 | 0 | 1,805
Issuance of common stock under dividend reinvestment, direct stock and employee stock purchase plans (in shares) | 41,088 |  |
Stock-based compensation | $ 154 | 0 | 154
Stock-based compensation (in shares) | 4,831 |  |
Balance at Dec. 31, 2020 | $ 85,935 | $ 57,317 | $ 143,252
Balance (in shares) at Dec. 31, 2020 | 13,060,817 |  | 13,060,817

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