Intangible Assets and Below Market Lease Liabilities (Tables)

3 Months Ended

Mar. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Total intangible assets and below market lease liabilities [Table Text Block]

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

	March 31, 2016			December 31, 2015
Assets:
Deferred leasing costs (including lease incentives and above market lease and in-place lease acquisition-related intangible assets)	$	347,089		$	346,937
Less accumulated amortization	(122,630		)	(115,172		)
	$	224,459		$	231,765
Liabilities (in accounts payable, accrued expenses and other liabilities):
Acquisition-related below market lease liabilities	$	63,628		$	63,830
Less accumulated amortization	(19,497		)	(17,927		)
	$	44,131		$	45,903

Amortization of intangible assets and below market lease liabilities [Table Text Block]

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

	Three Months Ended March 31,
	2016			2015
Amortization of deferred leasing costs and acquisition-related intangible assets (in depreciation and amortization)	$	11,335		$	10,001
Amortization of lease incentives (in rental and other revenues)	$	711		$	351
Amortization of acquisition-related intangible assets (in rental and other revenues)	$	1,031		$	1,166
Amortization of acquisition-related intangible assets (in rental property and other expenses)	$	138		$	137
Amortization of acquisition-related below market lease liabilities (in rental and other revenues)	$	(1,772	)	$	(1,732	)

Scheduled future amortization of intangible assets and below market lease liabilities [Table Text Block]

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, 2016	$	34,295	$	1,011	$	2,805	$	415	$	(5,225	)
2017	38,954		1,275		2,650		553		(6,619		)
2018	32,108		1,171		1,706		553		(6,228		)
2019	26,469		961		1,305		553		(5,737		)
2020	21,882		725		988		525		(5,408		)
Thereafter	48,940		2,056		2,559		—		(14,914		)
	$	202,648	$	7,199	$	12,013	$	2,599	$	(44,131	)
Weighted average remaining amortization periods as of March 31, 2016 (in years)	6.7		7.2		6.1		4.7		7.7