Dividends Declared and Paid - Dividend Information (Details) - $ / shares					3 Months Ended
	Mar. 31, 2016	Feb. 29, 2016	Jan. 29, 2016	Jan. 15, 2016	Mar. 31, 2016	Mar. 31, 2015
Equity [Abstract]
Common share distribution amount (in dollars per share)	$ 0.11	$ 0.1	$ 0.1	$ 0.08	$ 0.31	$ 0.3
LTIP unit distribution amount (in dollars per share)	$ 0.11	$ 0.1	$ 0.1		$ 0.31	$ 0.3