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Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Special dividends (shares)	0.15389
Series C Preferred Stock
Preferred stock, dividends paid (usd per share)	$ 1.041346	$ 1.58	$ 1.75
Series D Preferred Stock
Preferred stock, dividends paid (usd per share)	1.075982	1.63	1.63
Series E Preferred Stock
Preferred stock, dividends paid (usd per share)	1.474384	1.61	1.61
Series F Preferred Stock
Preferred stock, dividends paid (usd per share)	$ 1.50	$ 1.50	$ 1.50

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