Identified Intangible Assets and Liabilities (Tables)

3 Months Ended

Mar. 31, 2017

Finite-Lived Intangible Assets [Line Items]

Schedule of Identified Intangible Assets and Intangible Liabilities

The following summarizes our identified intangible assets (primarily above-market leases) and liabilities (primarily acquired below-market leases) as of March 31,2017 and December 31,2016.

(Amounts in thousands)	Balance as of
	March 31, 2017		December 31, 2016
Identified intangible assets:
Gross amount	$	387,677	$	400,061
Accumulated amortization		(203,668)		(207,330)
Net	$	184,009	$	192,731
Identified intangible liabilities (included in deferred revenue):
Gross amount	$	586,969	$	586,969
Accumulated amortization		(335,798)		(323,183)
Net	$	251,171	$	263,786

Below Market Leases Net Of Above Market Leases

Finite-Lived Intangible Assets [Line Items]

Schedule of future amortization expense of intangible assets

Estimated annual amortization of acquired below-market leases, net of acquired above-market leases, for each of the five succeeding years commencing January 1, 2018 is as follows:

(Amounts in thousands)
2018	$	44,346
2019		32,168
2020		23,343
2021		18,159
2022		15,009

Other Identified Intangible Assets

Finite-Lived Intangible Assets [Line Items]

Schedule of future amortization expense of intangible assets

(Amounts in thousands)
2018	$	20,059
2019		15,720
2020		12,275
2021		11,177
2022		9,395

Tenant Under Ground Leases

Finite-Lived Intangible Assets [Line Items]

Schedule of future amortization expense of intangible assets

(Amounts in thousands)
2018	$	1,832
2019		1,832
2020		1,832
2021		1,832
2022		1,832