Other Assets, Net (Tables)

9 Months Ended

Sep. 30, 2017

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

The following is a summary of other assets, net as of September 30, 2017 and December 31, 2016:



	September 30, 2017			December 31, 2016
	(In thousands)
Deferred leasing costs	$	168,344		$	157,258
Accumulated amortization	(66,403		)	(57,910		)
Deferred leasing costs, net	101,941			99,348
Prepaid expenses	21,942			2,199
Identified intangible assets, net	143,000			3,063
Other	21,508			8,345
Total other assets, net	$	288,391		$	112,955

Summary of Identified Intangible Assets, Net

The following is a summary of the composition of identified intangible assets, net as of September 30, 2017 and December 31, 2016:



	September 30, 2017		December 31, 2016
Identified intangible assets:	(in thousands)
In-place leases	$	72,081	$	12,777
Above-market real estate leases	12,473		773
Below-market ground leases	2,874		2,215
Option to enter into ground lease	17,090		—
Management and leasing contracts	57,800		—
Other	206		206
Total identified intangibles assets	162,524		15,971
Accumulated amortization:
In-place leases	15,187		10,871
Above-market real estate leases	1,082		612
Below-market ground leases	1,344		1,278
Management and leasing contracts	1,753		—
Other	158		147
Total accumulated amortization	19,524		12,908
Identified intangible assets, net	$	143,000	$	3,063

Summary of Amortization Expense

The following is a summary of amortization expense included in the statements of operations related to identified intangible assets for the three and nine months ended September 30, 2017 and 2016:



	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
	(in thousands)
In-place lease amortization ⁽¹⁾	$	4,104	$	233	$	4,347	$	336
Above-market real estate lease amortization ⁽²⁾	448		20		471		64
Below-market ground lease amortization ⁽³⁾	23		21		66		64
Management and leasing contract amortization ⁽¹⁾	1,753		—		1,753		—
Other amortization ⁽¹⁾	3		22		10		69
Total identified intangible asset amortization	$	6,331	$	296	$	6,647	$	533

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⁽¹⁾ Amounts are included in "Depreciation and amortization expenses" in our statements of operations.

⁽²⁾Amounts are included in "Property rentals revenue" in our statements of operations.

⁽³⁾ Amounts are included in "Property operating expenses" in our statements of operations.

Schedule of Estimated Amortization of Identified Intangible Assets

As of September 30, 2017, the estimated amortization of identified intangible assets is as follows for each of the five years commencing January 1, 2018:



Year ending December 31,	Amount
	(in thousands)
2018	$	15,119
2019	12,032
2020	10,105
2021	6,664
2022	5,312