Mortgages and Notes Payable (Tables)

6 Months Ended

Jun. 30, 2013

Debt Disclosure [Abstract]

Schedule of Consolidated Mortgages and Notes Payable [Table Text Block]

The following table sets forth our mortgages and notes payable:

	June 30, 2013		December 31, 2012
Secured indebtedness	$	544,510	$	549,607
Unsecured indebtedness	1,387,145		1,309,555
Total mortgages and notes payable	$	1,931,655	$	1,859,162