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8.00% Series A Convertible Preferred Stock (Tables)
3 Months Ended
Mar. 31, 2020
Temporary Equity Disclosure [Abstract]  
Summary of Preferred Stock Activity
The following summarizes the preferred stock activity for the three months ended March 31, 2020 (in millions, except per share data):
Preferred Stock
Shares Issued and OutstandingCarrying Value
Balance at December 31, 2019266,529  $229.1  
Dividends paid/accrued dividends5,330  5.4  
Balance at March 31, 2020271,859  $234.5