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Mandatorily-Redeemable Preferred Stock - Dividends to Preferred Stockholders (Details) - $ / shares |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 30, 2016 | Nov. 30, 2016 | Oct. 31, 2016 | Sep. 30, 2016 | Dec. 31, 2016
Series A cumulative term preferred stock |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |
Dividend per Preferred Share | $ 0.132812500 | $ 0.132812500 | $ 0.132812500 | $ 0.190364583 | $ 0.588802083

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- Definition The amount per share used to calculated dividend payments on preferred stock. + References No definition available. + Details
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