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Equity and Mezzanine Equity - Dividends Declared (Detail) - $ / shares | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Senior Common Stock |  |  |
Dividends Payable [Line Items] |  |  |
Common stock, cash paid (in dollars per share) | $ 1.0500 | $ 1.0500 | $ 1.0500
Series A Preferred Stock |  |  |
Dividends Payable [Line Items] |  |  |
Preferred stock, cash paid (in dollars per share) | 0 | 0 | 1.6038191
Series B Preferred Stock |  |  |
Dividends Payable [Line Items] |  |  |
Preferred stock, cash paid (in dollars per share) | 0 | 0 | 1.5521
Series D Preferred Stock |  |  |
Dividends Payable [Line Items] |  |  |
Preferred stock, cash paid (in dollars per share) | 0.8749998 | 1.7500 | 1.7500
Series E Preferred Stock |  |  |
Dividends Payable [Line Items] |  |  |
Preferred stock, cash paid (in dollars per share) | 1.656252 | 1.656252 | 0.404900
Series F Preferred Stock |  |  |
Dividends Payable [Line Items] |  |  |
Preferred stock, cash paid (in dollars per share) | 1.5000 | 0.7500 | 0
Series G Preferred Stock |  |  |
Dividends Payable [Line Items] |  |  |
Preferred stock, cash paid (in dollars per share) | 0.75 | 0 | 0
Common Stock and Non-controlling OP Units |  |  |
Dividends Payable [Line Items] |  |  |
Common stock, cash paid (in dollars per share) | $ 1.502175 | $ 1.501800 | $ 1.500000

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