Revolving Line of Credit with Affiliate (Details) (AR Capital, LLC [Member], Revolving Credit Facility [Member], USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 30, 2013
extension
May 15, 2013
AR Capital, LLC [Member] | Revolving Credit Facility [Member]
   
Line of Credit Facility [Line Items]    
Unsecured line of credit   $ 5.0
Line of credit fixed rate   3.25%
Maturity period 1 year  
Number of one year extensions 2  
Extension maturity period 1 year  
Amount borrowed 2.0 2.0
Remaining borrowing capacity $ 3.0