Mortgages and Notes Payable (Tables) (Mortgages and Notes Payable [Member])

12 Months Ended

Dec. 31, 2012

Mortgages and Notes Payable [Member]

Debt Instrument [Line Items]

Schedule of Maturities of Long-term Debt [Table Text Block]

Scheduled principal and balloon payments for mortgages and notes payable for the next five years and thereafter are as follows:

Year ending December 31,	Total
2013	$	272,192
2014	283,460
2015	313,474
2016	167,312
2017	87,162
Thereafter	292,361
	$	1,415,961