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Stockholders Equity (Details) | 12 Months Ended
--- | ---
Dec. 31, 2021 a $ / shares shares | Dec. 31, 2020 $ / shares shares | Dec. 31, 2019 $ / shares
Class of Stock [Line Items] |  |  |
Common stock dividends declared (in dollars per share) | $ 0 | $ 0 | $ 0
Preferred stock, authorized (in shares) | shares | 15,000,000 | 15,000,000 |
Preferred stock par value (in dollars per share) | $ 2.00 | $ 2.00 |
Convertible Preferred Stock |  |  |
Class of Stock [Line Items] |  |  |
Preferred stock, authorized (in shares) | shares | 15,000,000 |  |
Preferred stock, dividend rate | 10.00% |  |
Preferred stock par value (in dollars per share) | $ 2.00 |  |
Preferred stock, liquidation preference (in dollars per share) | 10.00 |  |
Dividends payable (in dollars per share) | 1.00 |  |
Dividends payable quarterly (in dollars per share) | $ 0.25 |  |
Conversion threshold stock trigger, percentage | 90.00% |  |
Conversion threshold, trading days | a | 20 |  |

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