CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (UNAUDITED) (Parentheticals) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement Of Stockholders Equity [Abstract]
Dividends and distributions, Per share and unit	$ 0.095	$ 0.095	$ 0.285	$ 0.324	[1]

[1] Includes the $0.039 cash dividend for the 38 day period following the completion of our initial public offering and related formation transactions and ending on December 31, 2014.