Intangible Assets and Liabilities (Tables)

9 Months Ended

Sep. 30, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Intangible Assets and Liabilities

The following tables summarize 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, 2019			December 31, 2018
Intangible assets:
Gross amount	$	487,511		$	515,889
Accumulated amortization		(264,802	)		(245,444	)
	$	222,709		$	270,445
Intangible liabilities:
Gross amount	$	177,665		$	185,191
Accumulated amortization		(98,829	)		(89,200	)
	$	78,836		$	95,991

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
(Amounts in thousands)	2019		2018		2019		2018
Amortization of above and below-market leases, net    (component of "rental revenue")	$	2,552	$	3,887	$	8,555	$	12,611
Amortization of acquired in-place leases    (component of "depreciation and amortization")		11,917		14,865		37,580		44,879

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

The following table 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, 2020.

(Amounts in thousands) For the Year Ending December 31,	Above and Below-Market Leases, Net		In-Place Leases
2020	$	6,224	$	37,848
2021		3,549		27,879
2022		1,079		23,381
2023		4,588		18,714
2024		5,633		14,470