Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Investment in real estate accumulated depreciation (in Dollars)	$ 601,055	$ 557,597
Preferred stock, shares authorized	30,000,000	30,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, shares authorized	800,000,000	800,000,000
Common stock, shares issued	223,049,990	222,938,648
Common stock, shares outstanding	223,049,990	222,938,648