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Dividends and Distribution Payable - Federal Income Tax (Details) - $ / shares | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | ---
Dividends Payable [Line Items] |  |  |
Dividends Payable, Amount Per Share | $ 2.280 | $ 2.155 | $ 2.025
Dividend Declared, Ordinary Income [Member] |  |  |
Dividends Payable [Line Items] |  |  |
Dividends Payable, Amount Per Share | 1.933 | 1.638 | 1.695
Dividend Declared, Return of Capital [Member] |  |  |
Dividends Payable [Line Items] |  |  |
Dividends Payable, Amount Per Share | $ 0.347 | $ 0.517 | $ 0.330

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- Definition The per share amount of a dividend declared, but not paid, as of the financial reporting date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 + Details
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