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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - $ / shares
3 Months Ended 9 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Sep. 30, 2021
Sep. 30, 2020
Distributions - common stock                
Cash $ 0.45 $ 0.45 $ 0.45 $ 0.338 $ 0.225 $ 0.45 $ 1.35 $ 1.013
Stock       $ 0.112 $ 0.225     $ 0.337