Other Assets, Net (Tables)

12 Months Ended

Dec. 31, 2018

The following is a summary of other assets, net:



	December 31,
	2018			2017
	(In thousands)
Deferred leasing costs	$	202,066		$	171,153
Accumulated amortization	(72,465		)	(67,180		)
Deferred leasing costs, net	129,601			103,973
Identified intangible assets, net	89,859			126,467
Prepaid expenses	6,482			9,038
Deferred financing costs on credit facility, net	4,806			6,654
Deposits	3,633			6,317
Derivative agreements, at fair value	10,383			2,141
Other	20,230			9,333
Total other assets, net	$	264,994		$	263,923

The following is a summary of the composition of identified intangible assets, net:



	December 31,
	2018		2017
Identified intangible assets:	(in thousands)
In-place leases	$	38,216	$	72,086
Above-market real estate leases	9,414		12,066
Below-market ground leases	2,215		2,547
Option to enter into ground lease	17,090		17,090
Management and leasing contracts	48,900		48,900
Other	166		206
Total identified intangibles assets	116,001		152,895
Accumulated amortization:
In-place leases	11,602		20,015
Above-market real estate leases	2,405		1,600
Below-market ground leases	1,448		1,365
Option to enter into ground lease	251		78
Management and leasing contracts	10,297		3,209
Other	139		161
Total accumulated amortization	26,142		26,428
Identified intangible assets, net	$	89,859	$	126,467

The following is a summary of amortization expense included in the statements of operations related to identified intangible assets:



	Year Ended December 31,
	2018		2017		2016

In-place lease amortization ⁽¹⁾	$	11,807	$	10,216	$	485
Above-market real estate lease amortization ⁽²⁾	2,390		1,428		78
Below-market ground lease amortization ⁽³⁾	85		87		85
Option to enter into ground lease amortization ⁽³⁾	173		—		—
Management and leasing contract amortization ⁽¹⁾	7,088		3,209		—
Other amortization ⁽¹⁾	18		14		92
Total identified intangible asset amortization	$	21,561	$	14,954	$	740

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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.

As of December 31, 2018, the estimated amortization of identified intangible assets is as follows for the next five years and thereafter: