Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2016

Accounting Policies [Abstract]

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

The following summarizes our identified intangible assets (acquired above-market leases and in-place leases) and intangible liabilities (acquired below-market leases) as of September 30, 2016 and December 31, 2015 (in thousands):

	September 30, 2016			December 31, 2015
Identified intangible assets (included in other assets):
Gross amount	$	624,557		$	939,518
Accumulated amortization	(397,148		)	(403,747		)
Net(1)	$	227,409		$	535,771
Identified intangible liabilities (included in deferred revenue):
Gross amount	$	648,583		$	866,561
Accumulated amortization	(455,568		)	(486,928		)
Net(1)	$	193,015		$	379,633

(1) As of September 30, 2016 and December 31, 2015, $0.3 million and $0.2 million, respectively and $0.8 million and $0.1 million, respectively, of net intangible assets and net intangible liabilities, were reclassified to assets held for sale and liabilities related to assets held for sale.

Schedule of marketable securities

At September 30, 2016 and December 31, 2015, we held the following marketable securities (in thousands):

	September 30, 2016		December 31, 2015
Equity marketable securities	$	23,213	$	4,704
Commercial mortgage-backed securities	37,139		40,434
Total marketable securities available-for-sale	$	60,352	$	45,138