Business Combination, Consideration Transferred, Excluding Credits Received

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- Definition

Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Above And Below-Market Leases, Net

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- Definition

Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Tenant Improvements And Lease Intangibles

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- Definition

Joint Venture, Contributions Received

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- Definition

Loans Assumed, Principal Balance At Acquisition

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- Definition

Number Of Real Estate Properties Acquired

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- Definition

Area of a real estate property.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of facility held for productive use including, but not limited to, office, production, storage and distribution facilities, acquired at the acquisition date.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472

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- Definition

Amount of real estate acquired, at the acquisition date.

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- Definition

Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
-URI http://asc.fasb.org/extlink&oid=108330185&loc=d3e2207-128464

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-Publisher FASB
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-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472

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- Definition

Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Investment in Real Estate - 2017 Acquisitions (Details) ft² in Thousands, $ in Thousands				12 Months Ended
	Dec. 20, 2017 USD ($) ft²	Jul. 20, 2017 USD ($) ft²	Apr. 25, 2017 USD ($) ft²	Dec. 31, 2017 USD ($) property	Dec. 31, 2016 property
Real Estate Acquisition [Line Items]
Joint venture, contributions received				$ 284,000
Office
Real Estate Acquisition [Line Items]
Number of properties acquired \| property				1
Consolidated JV \| Office
Real Estate Acquisition [Line Items]
Number of properties acquired \| property				3	2
1299 Ocean \| Consolidated JV
Real Estate Acquisition [Line Items]
Contract price			$ 275,800
Building square footage \| ft²			206
Investment in real estate:
Land			$ 22,748
Buildings and improvements			260,188
Tenant improvements and lease intangibles			5,010
Acquired above- and below-market leases, net			(10,683)
Assumed debt			0
Net assets and liabilities acquired			277,263
429 Santa Monica \| Consolidated JV
Real Estate Acquisition [Line Items]
Contract price			$ 77,000
Building square footage \| ft²			87
Investment in real estate:
Land			$ 4,949
Buildings and improvements			69,286
Tenant improvements and lease intangibles			3,248
Acquired above- and below-market leases, net			(722)
Assumed debt			0
Net assets and liabilities acquired			$ 76,761
9665 Wilshire \| Consolidated JV
Real Estate Acquisition [Line Items]
Contract price		$ 177,000
Building square footage \| ft²		171
Investment in real estate:
Land		$ 5,568
Buildings and improvements		175,960
Tenant improvements and lease intangibles		1,112
Acquired above- and below-market leases, net		(4,339)
Assumed debt		0
Net assets and liabilities acquired		$ 178,301
9401 Wilshire \| Consolidated JV
Real Estate Acquisition [Line Items]
Contract price	$ 143,647
Building square footage \| ft²	146
Investment in real estate:
Land	$ 6,740
Buildings and improvements	144,467
Tenant improvements and lease intangibles	7,843
Acquired above- and below-market leases, net	(11,559)
Assumed debt	(36,460)
Net assets and liabilities acquired	111,031
Principal balance of loan assumed at acquisition	$ 32,300