Stockholders' Equity - Cash Dividends Declared - Preferred Stock (Details) - $ / shares	Jun. 17, 2022	Mar. 14, 2022	Dec. 13, 2021	Sep. 13, 2021	Jun. 14, 2021	Mar. 15, 2021
Series B Preferred Stock
Dividends Payable [Line Items]
Cash dividend per share (in dollars per share)	$ 0	$ 0	$ 0	$ 0.484375	$ 0.484375	$ 0.484375
Series C Preferred Stock
Dividends Payable [Line Items]
Cash dividend per share (in dollars per share)	0	0	0	0	0.4921875	0.4921875
Series D Preferred Stock
Dividends Payable [Line Items]
Cash dividend per share (in dollars per share)	0.50	0.50	0.50	0.50	0.50	0.50
Series E Preferred Stock
Dividends Payable [Line Items]
Cash dividend per share (in dollars per share)	0.4921875	0.4921875	0.4921875	0.4921875	0.4921875	0.4921875
Series F Preferred Stock
Dividends Payable [Line Items]
Cash dividend per share (in dollars per share)	0.4296875	0.4296875	0.4296875	0.4679000	0	0
Series G Preferred Stock
Dividends Payable [Line Items]
Cash dividend per share (in dollars per share)	$ 0.43750	$ 0.43750	$ 0.24792	$ 0	$ 0	$ 0