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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (Parenthetical)	3 Months Ended	6 Months Ended		12 Months Ended
	Jun. 30, 2021	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
8.25% Series A preferred stock
Preferred stock, dividend rate (as a percent)		8.25%	8.25%	8.25%
7.75% Series B preferred stock
Preferred stock, dividend rate (as a percent)		7.75%	7.75%	7.75%
8.50% Series C preferred stock
Preferred stock, dividend rate (as a percent)		8.50%	8.50%	8.50%
6.375% Series D preferred stock
Preferred stock, dividend rate (as a percent)	6.375%	6.375%	6.375%	6.375%

X

- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

No definition available.

+ Details

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- Details

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