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Stockholders' Equity Matters (Tables) | 3 Months Ended | 12 Months Ended
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Mar. 31, 2022 | Dec. 31, 2021
Equity [Abstract] |  |
Schedule of Dividends Declared and Payments | In fiscal year 2021 and the three months ended March 31, 2022, our board of directors declared the following dividends:
DECLARATION DATE |  | DIVIDEND PER SHARE |  | RECORD DATE |  | TOTAL AMOUNT |  | PAYMENT DATE
February 24, 2021 |  | $ | 0.6185 |  |  | March 15, 2021 |  | $ | 178,569 |  |  | April 6, 2021
May 6, 2021 |  | 0.6185 |  |  | June 15, 2021 |  | 179,026 |  |  | July 6, 2021
August 5, 2021 |  | 0.6185 |  |  | September 15, 2021 |  | 179,080 |  |  | October 6, 2021
November 4, 2021 |  | 0.6185 |  |  | December 15, 2021 |  | 179,132 |  |  | January 6, 2022
February 24, 2022 |  | 0.6185 |  |  | March 15, 2022 |  | 179,661 |  |  | April 6, 2022
| In 2019, 2020 and 2021, our board of directors declared the following dividends:
DECLARATION DATE |  | DIVIDEND PER SHARE |  | RECORD DATE |  | TOTAL AMOUNT |  | PAYMENT DATE
February 7, 2019 |  | $ | 0.6110 |  |  | March 15, 2019 |  | $ | 175,242 |  |  | April 2, 2019
May 22, 2019 |  | 0.6110 |  |  | June 17, 2019 |  | 175,389 |  |  | July 2, 2019
July 26, 2019 |  | 0.6110 |  |  | September 16, 2019 |  | 175,434 |  |  | October 2, 2019
October 31, 2019 |  | 0.6185 |  |  | December 16, 2019 |  | 177,687 |  |  | January 2, 2020
February 13, 2020 |  | 0.6185 |  |  | March 16, 2020 |  | 178,047 |  |  | April 6, 2020
May 5, 2020 |  | 0.6185 |  |  | June 15, 2020 |  | 178,212 |  |  | July 2, 2020
August 5, 2020 |  | 0.6185 |  |  | September 15, 2020 |  | 178,224 |  |  | October 2, 2020
November 4, 2020 |  | 0.6185 |  |  | December 15, 2020 |  | 178,290 |  |  | January 6, 2021
February 24, 2021 |  | 0.6185 |  |  | March 15, 2021 |  | 178,569 |  |  | April 6, 2021
May 6, 2021 |  | 0.6185 |  |  | June 15, 2021 |  | 179,026 |  |  | July 6, 2021
August 5, 2021 |  | 0.6185 |  |  | September 15, 2021 |  | 179,080 |  |  | October 6, 2021
November 4, 2021 |  | 0.6185 |  |  | December 15, 2021 |  | 179,132 |  |  | January 6, 2022
During the years ended December 31, 2021, 2020 and 2019, we declared dividends in an aggregate and per share amount, based on the weighted average number of common shares outstanding during each respective year, as follows:
| YEAR ENDED DECEMBER 31,
| 2021 |  | 2020 |  | 2019
Declared distributions | $ | 715,807 |  |  | $ | 712,773 |  |  | $ | 703,752 |
Amount per share each distribution represents based on weighted average number of common shares outstanding | 2.47 |  |  | 2.47 |  |  | 2.45 |
Schedule of Classification of Dividends Paid |  | For the years ended December 31, 2021, 2020, and 2019, the dividends we paid on our common shares were classified as follows:
| YEAR ENDED DECEMBER 31,
| 2021 |  | 2020 |  | 2019
Nonqualified ordinary dividends | 53.9 | % |  | 43.0 | % |  | 54.8 | %
Qualified ordinary dividends | 13.0 | % |  | 0.0 | % |  | 4.5 | %
Capital gains | 21.8 | % |  | 49.5 | % |  | 14.7 | %
Return of capital | 11.3 | % |  | 7.5 | % |  | 26.0 | %
| 100.0 | % |  | 100.0 | % |  | 100.0 | %

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- Definition Tabular disclosure of all or some of the information related to dividends 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=123431023&loc=d3e4304-108586 + Details
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