Organization (Details) (USD $)	Jun. 30, 2012	Dec. 31, 2011	Nov. 06, 2009	Feb. 20, 2009	Dec. 26, 2008	Aug. 28, 2008
Subsidiary, Sale of Stock [Line Items]
Number of common shares				82,500,000
Organization (Details) [Abstract]
Common stock value purchased by Advisor	$ 89,891	$ 56,611				$ 1,000
Common Stock, Shares Authorized	700,000,000	700,000,000
Common Stock, Par or Stated Value Per Share	$ 0.001	$ 0.001
Preferred Stock, Shares Authorized	200,000,000	200,000,000
Preferred Stock, Par or Stated Value Per Share	$ 0.001	$ 0.001
Public offering term after extension			1 year
Public offering extended termination date			Nov. 06, 2012
Number of shares purchased by Advisor	9,001,105	5,667,551				100
Common stock subject to redemption	2,100,000	1,100,000
Limited partnership, purchase price					200,000
General partner interest obtained					1.00%
Initial capital contribution					$ 1,000
Private Offering [Member]
Subsidiary, Sale of Stock [Line Items]
Number of common shares				10,000,000
Sale to Public [Member]
Subsidiary, Sale of Stock [Line Items]
Number of common shares				75,000,000
Common stock offer price per share				10.00
Distribution Reinvestment Plan [Member]
Subsidiary, Sale of Stock [Line Items]
Number of common shares				7,500,000
Common stock offer price per share				9.50
Advisor [Member]
Subsidiary, Sale of Stock [Line Items]
Limited liability partnership interest held	69.00%				99.00%
Sponsor and Affiliates [Member]
Subsidiary, Sale of Stock [Line Items]
Limited liability partnership interest held	21.00%
Third parties [Member]
Subsidiary, Sale of Stock [Line Items]
Limited liability partnership interest held	10.00%