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Dividends Declared and Paid - Dividend Information (Details) - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2017
May 26, 2017
Apr. 28, 2017
Mar. 31, 2017
Feb. 28, 2017
Jan. 31, 2017
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Equity [Abstract]                    
Common share distribution amount (in dollars per share) $ 0.11 $ 0.11 $ 0.11 $ 0.11 $ 0.11 $ 0.11 $ 0.33 $ 0.33 $ 0.66 $ 0.64
LTIP unit distribution amount (in dollars per share) $ 0.11 $ 0.11 $ 0.11 $ 0.11 $ 0.11 $ 0.11 $ 0.33 $ 0.33 $ 0.66 $ 0.64