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8.00% Series A Convertible Preferred Stock (Tables)
3 Months Ended
Mar. 31, 2018
Temporary Equity Disclosure [Abstract]  
Summary of Preferred Stock Activity
The following summarizes the Preferred Stock activity for the three months ended March 31, 2018:
 
 
Preferred Stock
 
 
Shares Issued and Outstanding
 
Carrying Value
Balance at December 31, 2017
 
227,483

 
$
189.3

Dividends paid/accrued dividends
 
4,549

 
4.5

Balance at March 31, 2018
 
232,032

 
$
193.8