Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2012

Significant Accounting Policies

Summary of identified intangible assets (acquired above-market leases and in-place leases) and intangible liabilities (acquired below-market leases)

	June 30, 2012			December 31, 2011
Identified intangible assets (included in other assets):
Gross amount	$	733,250		$	673,495
Accumulated amortization	(233,003		)	(193,442		)
Net	$	500,247		$	480,053
Identified intangible liabilities (included in deferred revenue):
Gross amount	$	656,441		$	622,029
Accumulated amortization	(327,986		)	(290,893		)
Net	$	328,455		$	331,136

Schedule of marketable securities

	June 30,		December 31,
	2012		2011
Level 1 — Equity marketable securities	$	8,065	$	8,065
Level 2 — Commercial mortgage-backed securities	11,636		13,369
Level 3 — Rake bonds	3,801		3,889
Total marketable securities available-for-sale	$	23,502	$	25,323