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Income Taxes - Statutory Federal Tax Rate to our Effective Tax Rate (Details) | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Income Tax Disclosure [Abstract] |  |  |
Federal statutory rate | 21.00% | 21.00% | 21.00%
Non-taxable REIT income (dividends paid deduction) | (4.60%) | 0.10% | (20.30%)
Other differences in taxable income (loss) from GAAP | (4.70%) | (14.40%) | (3.00%)
State and local taxes | 0.00% | 0.00% | 0.00%
Change in valuation allowance on DTAs | (11.10%) | (6.90%) | 2.30%
Effective tax rate | 0.60% | (0.20%) | 0.00%

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