Other Assets (Other Assets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Other Assets
Lease inducements, net of accumulated amortization of $4,718 and $3,696 in 2012 and 2011, respectively	$ 11,089	$ 12,219
FF&E and leasehold improvements, net of accumulated depreciation of $18,877 and $17,814 in 2012 and 2011, respectively	4,814	4,736
Loan closing costs, net of accumulated amortization of $2,624 and $4,026 in 2012 and 2011, respectively	3,704	1,435
Predevelopment costs and earnest money	3,284	581
Prepaid expenses and other assets	2,044	2,168
Investment in Verde Realty	0	5,868
Intangible Assets:
In-place leases, net of accumulated amortization of $5,729 and $2,833 in 2012 and 2011, respectively	21,637	16,144
Above market leases, net of accumulated amortization of $9,424 and $8,845 in 2012 and 2011, respectively	6,892	4,414
Goodwill	4,751	5,155	5,430
Total Other Assets	58,215	52,720
FF&E and leasehold improvements, accumulated depreciation	18,877	17,814
Lease inducements, accumulated amortization	4,718	3,696
Loan closing costs, accumulated amortization	2,624	4,026
Above market leases, accumulated amortization	9,424	8,845
In-place leases, accumulated amortization	$ 5,729	$ 2,833