Minimum Future Rental Payments under Ground Leases Level 3 (Tables)

12 Months Ended

Dec. 31, 2012

Ground Leases [Abstract]

Future Minimum Lease Payments Under Noncancelable Operating Leases [Text Block]

Year	Amount
2013	$	3,353
2014	1,915
2015	1,921
2016	1,928
2017	1,935
Thereafter	13,012
Total	$	24,064