Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Future minimum payments over the life of our corporate office lease and long-term ground leases subsequent to December 31, 2012 are as follows (in thousands):

2013	$	957
2014		966
2015		982
2016		991
2017		1,004
Thereafter		24,272
Total future minimum lease payments	$	29,172