Subsequent Events (Details) (USD $)	9 Months Ended		0 Months Ended				0 Months Ended				0 Months Ended		0 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Feb. 04, 2013 Revolving credit facility Base Rate [Member]	Feb. 04, 2013 Revolving credit facility LIBOR Rate [Member]	Feb. 04, 2013 Term loan	Nov. 07, 2014 Subsequent Event [Member] Revolving credit facility	Nov. 07, 2014 Subsequent Event [Member] Revolving credit facility Base Rate [Member]	Nov. 07, 2014 Subsequent Event [Member] Revolving credit facility LIBOR Rate [Member]	Nov. 07, 2014 Subsequent Event [Member] Term loan	Nov. 07, 2014 Subsequent Event [Member] Existing term loan	Nov. 05, 2014 Subsequent Event [Member] Fulton Ranch Towne Center [Member]	Nov. 05, 2014 Subsequent Event [Member] Fulton Ranch Towne Center [Member] sqft	Nov. 05, 2014 Subsequent Event [Member] The Promenade at Fulton Ranch [Member]	Nov. 05, 2014 Subsequent Event [Member] The Promenade at Fulton Ranch [Member] sqft
Subsequent Event [Line Items]
Payments to acquire property	$ 38,076,000	$ 58,403,000									$ 29,300,000		$ 18,600,000
Gross leasable area (in square feet)												113,281		98,792
Property percentage occupied												86.00%		76.00%
Consideration transfered from proceeds of credit facility											29,000,000		19,000,000
Face amount of debt					50,000,000				50,000,000	50,000,000
Credit facility, maximum borrowing capacity						400,000,000
Credit facility, expanded maximum borrowing capacity						$ 700,000,000
Basis spread on variable rate			0.50%	1.00%			0.50%	1.00%