Unamortized Lease Commissions and Loan Costs (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Expected Amortization of Deferred Leasing Comissions Year 2012	$ 726
Expected Amortization of Deferred Leasing Comissions Year 2013	542
Expected Amortization of Deferred Leasing Comissions Year 2014	411
Expected Amortization of Deferred Leasing Comissions Year 2015	315
Expected Amortization of Deferred Leasing Comissions Year 2016	223
Expected Amortization of Deferred Leasing Comissions After Year Thereafter	414
Expected Amortization of Deferred Leasing Comissions	2,631
Expected Amortization of Deferred Financing Costs Year 2012	920
Expected Amortization of Deferred Financing Costs Year 2013	498
Expected Amortization of Deferred Financing Costs Year 2014	101
Expected Amortization of Deferred Financing Costs Year 2015	7
Expected Amortization of Deferred Financing Costs Year 2016	3
Expected Amortization of Deferred Financing Costs Year Thereafter	0
Expected Amortization of Deferred Financing Costs	1,529
Expected Amortization of Deferred Costs Year 2012	1,646
Expected Amortization of Deferred Costs Year 2013	1,040
Expected Amortization of Deferred Costs Year 2014	512
Expected Amortization of Deferred Costs Year 2015	322
Expected Amortization of Deferred Costs Year 2016	226
Expected Amortization of Deferred Costs Thereafter	414
Expected Amortization of Deferred Costs	$ 4,160