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CAPITAL STOCK - Summary of Dividend Distribution Activity (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Dividends Payable [Line Items] |  |
Dividends and dividend equivalents declared on common stock and share-based awards | $ 1,268,558 | $ 1,285,124
Distributions declared per common share (in dollars per share) | $ 0.88 | $ 0.91
Distributions paid to common stockholders after period end | $ 321,142 | $ 307,613
Distributions paid per common share after period end (in dollars per share) | $ 0.22 | $ 0.22
Common stock, dividends, taxable return of capital, percent | 100.00% |
Common stock dividends taxable (in dollars per share) | $ 0.87 | $ 0.95
Common stock, dividends, taxable ordinary income, percent |  | 74.00%
Common stock, dividends, taxable capital gains, percent |  | 26.00%
Preferred stock, dividends, taxable return of capital, percent | 100.00% |
Preferred stock, dividends, taxable ordinary income, percent |  | 74.00%
Preferred stock, dividends, taxable capital gains, percent |  | 26.00%
Series D |  |
Dividends Payable [Line Items] |  |
Preferred dividends declared | $ 0 | $ 34,500
Preferred series dividends declared (in dollars per share) | $ 0 | $ 1.875
Series F |  |
Dividends Payable [Line Items] |  |
Preferred dividends declared | $ 50,040 | $ 50,040
Preferred series dividends declared (in dollars per share) | $ 1.738 | $ 1.738
Series G |  |
Dividends Payable [Line Items] |  |
Preferred dividends declared | $ 27,624 | $ 27,625
Preferred series dividends declared (in dollars per share) | $ 1.625 | $ 1.625
Series I |  |
Dividends Payable [Line Items] |  |
Preferred dividends declared | $ 29,868 | $ 29,871
Preferred series dividends declared (in dollars per share) | $ 1.688 | $ 1.688

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