Equity - Tax Treatment of Dividends Paid (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Common stock
Dividends Payable [Line Items]
Tax treatment of dividends, percent	100.00%	100.00%	100.00%
Preferred stock
Dividends Payable [Line Items]
Tax treatment of dividends, percent	100.00%	100.00%	100.00%
Capital gains | Common stock
Dividends Payable [Line Items]
Tax treatment of dividends, percent	8.98%	0.00%	10.62%
Capital gains | Preferred stock
Dividends Payable [Line Items]
Tax treatment of dividends, percent	11.96%	0.00%	0.00%
Ordinary income | Common stock
Dividends Payable [Line Items]
Tax treatment of dividends, percent	66.71%	59.09%	68.83%
Ordinary income | Preferred stock
Dividends Payable [Line Items]
Tax treatment of dividends, percent	88.04%	100.00%	100.00%
Return of capital | Common stock
Dividends Payable [Line Items]
Tax treatment of dividends, percent	24.31%	40.91%	20.55%