Intangible Assets and Liabilities (Tables)

9 Months Ended

Sep. 30, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Intangible Assets and Liabilities

The following table summarizes our intangible assets (acquired above-market leases and acquired in-place leases) and intangible liabilities (acquired below-market leases) and the related amortization as of the dates and for the periods set forth below.

	As of
(Amounts in thousands)	September 30, 2018			December 31, 2017
Intangible assets:
Gross amount	$	518,207		$	553,063
Accumulated amortization		(230,985	)		(200,857	)
	$	287,222		$	352,206
Intangible liabilities:
Gross amount	$	186,550		$	205,101
Accumulated amortization		(84,271	)		(75,073	)
	$	102,279		$	130,028

	For the Three Months Ended				For the Nine Months Ended
	September 30,				September 30,
(Amounts in thousands)	2018		2017		2018		2017
Amortization of above and below-market leases, net    (component of “rental income”)	$	3,887	$	3,175	$	12,611	$	14,164
Amortization of acquired in-place leases    (component of “depreciation and amortization”)	$	14,865	$	17,929	$	44,879	$	58,352

Schedule of Estimated Annual Amortization of Acquired Below-Market Leases, Net of Acquired Above-Market Leases and In Place Leases

The table below sets forth annual amortization of acquired above and below-market leases, net and amortization of acquired in-place leases for each of the five succeeding years commencing from January 1, 2019.

(Amounts in thousands) For the Year Ending December 31,	Above and Below-Market Leases, Net		In-Place Leases
2019	$	11,851	$	49,378
2020		6,654		38,738
2021		3,361		28,150
2022		892		23,598
2023		4,407		18,917