Intangible Assets and Below Market Lease Liabilities (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Total Intangible Assets and Below Market Lease Liabilities

The following table sets forth total intangible assets and acquisition-related below market lease liabilities, net of accumulated amortization:

	December 31,
	2018			2017
Assets:
Deferred leasing costs (including lease incentives and above market lease and in-place lease acquisition-related intangible assets)	$	344,548		$	344,191
Less accumulated amortization	(149,275		)	(143,512		)
	$	195,273		$	200,679
Liabilities (in accounts payable, accrued expenses and other liabilities):
Acquisition-related below market lease liabilities	$	57,955		$	59,947
Less accumulated amortization	(32,307		)	(28,214		)
	$	25,648		$	31,733

Amortization of Intangible Assets and Below Market Lease Liabilities

The following table sets forth amortization of intangible assets and below market lease liabilities:

	Year Ended December 31,
	2018			2017			2016
Amortization of deferred leasing costs and acquisition-related intangible assets (in depreciation and amortization)	$	36,486		$	41,187		$	44,968
Amortization of lease incentives (in rental and other revenues)	$	1,908		$	1,765		$	1,779
Amortization of acquisition-related intangible assets (in rental and other revenues)	$	1,677		$	2,921		$	3,851
Amortization of acquisition-related intangible assets (in rental property and other expenses)	$	557		$	557		$	557
Amortization of acquisition-related below market lease liabilities (in rental and other revenues)	$	(6,085	)	$	(6,415	)	$	(8,183	)

Scheduled Future Amortization of Intangible Assets and Below Market Lease Liabilities

The following table sets forth scheduled future amortization of intangible assets and below market lease liabilities:

Years Ending December 31,	Amortization of Deferred Leasing Costs and Acquisition-Related Intangible Assets (in Depreciation and Amortization)		Amortization of Lease Incentives (in Rental and Other Revenues)		Amortization of Acquisition-Related Intangible Assets (in Rental and Other Revenues)		Amortization of Acquisition-Related Intangible Assets (in Rental Property and Other Expenses)		Amortization of Acquisition-Related Below Market Lease Liabilities (in Rental and Other Revenues)
2019	$	35,862	$	1,730	$	1,261	$	553	$	(5,405	)
2020	31,285		1,445		957		514		(5,135		)
2021	26,702		1,205		631		—		(4,331		)
2022	22,392		982		462		—		(3,258		)
2023	18,972		914		308		—		(2,878		)
Thereafter	43,147		4,851		1,100		—		(4,641		)
	$	178,360	$	11,127	$	4,719	$	1,067	$	(25,648	)
Weighted average remaining amortization periods as of December 31, 2018 (in years)	7.3		10.1		6.5		2.0		5.9