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Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares shares in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Statements of Stockholders' Equity [Abstract] |  |
Common stock issuance, shares | 1,666,666 |
Dividend common stock, per share | $ 0.32 | $ 0.28
Dividend preferred stock, per share | $ 0.65 | $ 0.65

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