Description of Business - Stock Issuance (Details) - shares |
9 Months Ended | 12 Months Ended | ||
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Apr. 09, 2021 |
Dec. 15, 2020 |
Sep. 30, 2021 |
Dec. 31, 2020 |
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| 8.625% Series A Cumulative, Perpetual Preferred Stock | ||||
| Stock | ||||
| Preferred stock, dividend rate (as a percent) | 8.625% | 8.625% | 8.625% | |
| 8.375% Series B Cumulative, Perpetual Preferred Stock | ||||
| Stock | ||||
| Preferred stock, dividend rate (as a percent) | 8.375% | 8.375% | 8.375% | |
| Depositary share's fractional interest in share of preferred stock | 0.001 | 0.001 |
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- Definition The percentage rate used to calculate dividend payments on preferred stock. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Represents depositary share's fractional interest in share of preferred stock. No definition available.
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