Deferred Financing and Leasing Costs (Tables)

12 Months Ended

Dec. 31, 2011

Deferred Financing and Leasing Costs [Abstract]

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]

	December 31,
	2011			2010
Deferred leasing costs	$	187,042		$	167,712
Deferred financing costs	40,885			42,190
In-place lease value and related intangible asset	26,334			26,778
	254,261			236,680
Accumulated amortization	(124,051		)	(108,144		)
Total	$	130,210		$	128,536