Acquired Lease Intangibles (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Leases Acquired In Place
AcquiredLeaseIntangiblesLineItems [Line Items]
Amortization	$ 939
Leases Acquired In Place | Amortization Expense
AcquiredLeaseIntangiblesLineItems [Line Items]
Amortization		674	2,149	988
Below Market Leases | Property Expense
AcquiredLeaseIntangiblesLineItems [Line Items]
Amortization	30		70
Below Market Leases | Rental Income
AcquiredLeaseIntangiblesLineItems [Line Items]
Amortization	180	67	427	128
Above Market Leases | Rental Income
AcquiredLeaseIntangiblesLineItems [Line Items]
Amortization	$ 72	$ 49	$ 210	$ 60