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Distributions - Distributions Declared (Details) - $ / shares | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Income Tax Disclosure [Abstract] |  |  |
Distributions declared per share (in dollars per share) | $ 1.22 | $ 1.20 | $ 1.24
Ordinary dividends | 70.59% | 90.99% | 84.58%
Long-term capital gains | 20.79% | 0.00% | 0.00%
Qualified dividend income | 0.00% | 0.00% | 0.00%
Dividends received deduction | 0.00% | 0.00% | 0.00%
Interest-related dividends | 64.49% | 74.53% | 79.13%
Qualified short-term capital gains | 0.00% | 0.00% | 0.00%
Return of capital | 8.62% | 9.01% | 15.42%

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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
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