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Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2017
Statement of Stockholders' Equity |  |
Dividends declared (in dollars per share) | $ 1.37 | $ 1.26
Share retired, shares | 14,428 |
Common stock grants awarded, net of unearned compensation | $ 147 | $ 32
Common stock grants awarded, net of unearned compensation (in shares) | 3,854 | 2,362

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