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Preferred Stock (Notes) | 3 Months Ended
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Mar. 31, 2019
Temporary Equity Disclosure [Abstract] |
Preferred Stock | Preferred Stock Series A Preferred Stock In December 2016, the Company issued 120,000 shares of Series A convertible perpetual preferred stock with an aggregate liquidation preference of $120 million and an initial fair value of $142 million. The convertible preferred stock pays quarterly cash dividends at a rate of 8% per year ($9.6 million per year). Each share of convertible preferred stock is convertible at any time, at the option of the holder, into 44.9438 shares of common stock for a total of 5,393,000 shares (reflecting an initial conversion price of approximately $22.25 per share of common stock), subject to customary anti-dilution adjustments.

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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