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:



	June 30, 2018			December 31, 2017
Assets:
Deferred leasing costs (including lease incentives and above market lease and in-place lease acquisition-related intangible assets)	$	339,623		$	344,191
Less accumulated amortization	(144,555		)	(143,512		)
	$	195,068		$	200,679
Liabilities (in accounts payable, accrued expenses and other liabilities):
Acquisition-related below market lease liabilities	$	58,847		$	59,947
Less accumulated amortization	(30,133		)	(28,214		)
	$	28,714		$	31,733

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



	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Amortization of deferred leasing costs and acquisition-related intangible assets (in depreciation and amortization)	$	9,207		$	10,133		$	18,702		$	20,752
Amortization of lease incentives (in rental and other revenues)	$	476		$	443		$	905		$	840
Amortization of acquisition-related intangible assets (in rental and other revenues)	$	429		$	675		$	877		$	1,711
Amortization of acquisition-related intangible assets (in rental property and other expenses)	$	139		$	139		$	276		$	276
Amortization of acquisition-related below market lease liabilities (in rental and other revenues)	$	(1,495	)	$	(1,592	)	$	(3,018	)	$	(3,172	)

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



	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)
July 1 through December 31, 2018	$	18,504	$	866	$	784	$	277	$	(2,918	)
2019	32,788		1,578		1,273		553		(5,446		)
2020	28,231		1,311		959		518		(5,186		)
2021	23,756		1,086		632		—		(4,377		)
2022	19,520		872		462		—		(3,264		)
Thereafter	54,783		4,907		1,408		—		(7,523		)
	$	177,582	$	10,620	$	5,518	$	1,348	$	(28,714	)
Weighted average remaining amortization periods as of June 30, 2018 (in years)	7.5		10.0		6.5		2.5		6.2