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5.50% Series B Cumulative Convertible Preferred Stock | 12 Months Ended
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Dec. 31, 2017
Stockholders' Equity Note [Abstract] |
5.50% Series B Cumulative Convertible Preferred Stock | 5.50% Series B Cumulative Convertible Preferred Stock Each share of Series B Preferred Stock is convertible at any time, at the option of the holder, into a number of whole shares of common stock at an initial conversion price of $18.90 (which represents an initial conversion rate of 1.3228 shares of our common stock, subject to certain adjustments). The Series B Preferred Stock is also subject to conversion upon certain events constituting a change of control. Holders of the Series B Preferred Stock have no voting rights, subject to certain exceptions. The Company may, at its option, cause the Series B Preferred Stock to be converted in whole or in part, on a pro rata basis, into fully paid and nonassessable shares of the Company’s common stock at the conversion price, provided that the “Closing Bid Price” (as defined in the Articles Supplementary) of the Company’s common stock shall have equaled or exceeded 110% of the conversion price for the immediately preceding 45 consecutive trading days ending three days prior to the date of notice of conversion. In the event of such mandatory conversion, the Company shall pay holders of the Series B Preferred Stock any additional dividend payment to make the holder whole on dividends expected to be received through June 11, 2019, in an amount equal to the net present value, where the discount rate is the dividend rate on the Series B Preferred Stock, of the difference between (i) the annual dividend payments the holders of Series B Preferred Stock would have received in cash from the date of the mandatory conversion to June 11, 2019, and (ii) the common stock quarterly dividend payments the holders of Series B Preferred Stock would have received over the same time period had such holders held common stock. On April 26, 2016, in connection with a previously announced required public offering, we issued 290,850 shares of our Series B Preferred Stock at $17.24 per share for gross proceeds of $5.0 million. The Series B Preferred Stock offering includes accrued and unpaid dividends since April 15, 2016. The offering closed on April 29, 2016. The net proceeds, after deducting underwriting discounts, advisory fees, commissions and other estimated offering expenses payable by the company, were approximately $4.2 million. Dividends on the Series B Preferred Stock accrue at a rate of 5.50% on the liquidation preference of $25.00 per share. On March 7, 2017, we closed an offering of approximately 2.0 million shares of our Series B Preferred Stock at $20.19 per share for gross proceeds of $39.9 million. The net proceeds to us, after underwriting discounts and offering expenses were approximately $38.2 million. Dividends on the Series B Preferred Stock accrue at a rate of 5.50% on the liquidation preference of $25.00 per share. On March 31, 2017, the underwriters partially exercised their over-allotment option and purchased an additional 100,000 shares of the Series B Preferred Stock, which closed on April 5, 2017. The net proceeds from the partial exercise of the over-allotment option after underwriting discounts were approximately $1.9 million. At December 31, 2017, we had 5.0 million outstanding shares of Series B Preferred Stock that do not meet the requirements for permanent equity classification prescribed by the authoritative guidance because of certain cash redemption features that are outside our control. As such, the Series B Preferred Stock is classified outside of permanent equity. The Series B Preferred Stock dividend for all issued and outstanding shares is set at $1.375 per annum per share. For the years ended December 31, 2017, 2016 and 2015, we declared dividends of $6.8 million, $3.9 million and $2.0 million, respectively, with respect to shares of Series A and Series B Preferred Stock.

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- Definition The entire disclosure for terms, amounts, nature of changes, rights and privileges, dividends, and other matters related to preferred stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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