8.00% Series A Convertible Preferred Stock (Tables)

12 Months Ended

Dec. 31, 2019

Temporary Equity Disclosure [Abstract]

Summary of Preferred Stock Activity

The following summarizes the Preferred Stock activity for the year ended December 31, 2019 and 2018 (in millions, except per share data):

	Preferred Stock
	Shares Issued and Outstanding	Carrying Value
Balance at January 1, 2017	210,160	$	171.6
Dividends paid/accrued dividends	17,323	17.7
Balance at December 31, 2017	227,483	$	189.3
Dividends paid/accrued dividends	18,750	19.1
Balance at December 31, 2018	246,233	$	208.4
Dividends paid/accrued dividends	20,296	20.7
Balance at December 31, 2019	266,529	$	229.1