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Stockholders' Equity (Dividends on Series C) (Details) - $ / shares				12 Months Ended
	Nov. 18, 2020	Aug. 12, 2020	Jul. 01, 2020	Dec. 31, 2020
Series C Preferred Stock
Class of Stock [Line Items]
Preferred stock, cash dividends declared (in dollars per share)	$ 0.40625	$ 0.40625	$ 0.53264	$ 1.345

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Aggregate dividends declared during the period for each share of preferred stock outstanding.

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