Intangible Assets and Below Market Lease Liabilities (Tables)

3 Months Ended

Mar. 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:

	March 31, 2018			December 31, 2017
Assets:
Deferred leasing costs (including lease incentives and above market lease and in-place lease acquisition-related intangible assets)	$	343,211		$	344,191
Less accumulated amortization	(146,909		)	(143,512		)
	$	196,302		$	200,679
Liabilities (in accounts payable, accrued expenses and other liabilities):
Acquisition-related below market lease liabilities	$	59,646		$	59,947
Less accumulated amortization	(29,436		)	(28,214		)
	$	30,210		$	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:

	Three Months Ended March 31,
	2018			2017
Amortization of deferred leasing costs and acquisition-related intangible assets (in depreciation and amortization)	$	9,495		$	10,619
Amortization of lease incentives (in rental and other revenues)	$	429		$	397
Amortization of acquisition-related intangible assets (in rental and other revenues)	$	448		$	1,036
Amortization of acquisition-related intangible assets (in rental property and other expenses)	$	137		$	137
Amortization of acquisition-related below market lease liabilities (in rental and other revenues)	$	(1,523	)	$	(1,580	)

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:

	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)
April 1 through December 31, 2018	$	27,309	$	1,218	$	1,213	$	416	$	(4,414	)
2019	31,646		1,503		1,273		553		(5,446		)
2020	27,150		1,227		959		518		(5,186		)
2021	22,748		1,002		632		—		(4,377		)
2022	18,565		788		462		—		(3,264		)
Thereafter	51,453		4,259		1,408		—		(7,523		)
	$	178,871	$	9,997	$	5,947	$	1,487	$	(30,210	)
Weighted average remaining amortization periods as of March 31, 2018 (in years)	7.6		9.8		6.5		2.7		6.4