CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues [Abstract]
Property operating expenses from related parties	$ 8	$ 10	$ 15	$ 24
General and administrative from related parties	$ 59	$ 57	$ 127	$ 121