Intangible Assets and Intangible Liabilities - Summary of Identified Intangible Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Intangible assets:
Gross amount	$ 686,418	$ 689,894
Accumulated amortization	(57,397)	(20,509)
Intangible assets, Net	629,021us-gaap_FiniteLivedIntangibleAssetsNet	669,385us-gaap_FiniteLivedIntangibleAssetsNet
Intangible liabilities:
Gross amount	222,903us-gaap_BelowMarketLeaseGross	222,985us-gaap_BelowMarketLeaseGross
Accumulated amortization	(11,939)	(3,757)
Intangible Liabilities, Net	$ 210,964us-gaap_BelowMarketLeaseNet	$ 219,228us-gaap_BelowMarketLeaseNet

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Amount of accumulated amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life.

+ References

No definition available.

+ Details

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- Definition

Amount before amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life.

+ References

No definition available.

+ Details

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- Definition

Amount after amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life.

+ References

No definition available.

+ Details

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- Details

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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