Rental Income (Details Textual)	12 Months Ended
	Dec. 31, 2013
Rental Income [Line Items]
Weighted Average Remaining Lease Term	11 years 8 months 12 days
Walgreens Co [Member]
Rental Income [Line Items]
Percentage Of Future Minimum Rentals Income	35.00%
Kmart Corporation [Member]
Rental Income [Line Items]
Percentage Of Future Minimum Rentals Income	0.80%
Cvs Caremark Corporation [Member]
Rental Income [Line Items]
Percentage Of Future Minimum Rentals Income	8.00%
Wawa [Member]
Rental Income [Line Items]
Percentage Of Future Minimum Rentals Income	5.80%
Walmart Stores Inc [Member]
Rental Income [Line Items]
Percentage Of Future Minimum Rentals Income	2.20%
Minimum [Member]
Rental Income [Line Items]
Lease Agreement Term	5 years
Maximum [Member]
Rental Income [Line Items]
Lease Agreement Term	25 years