Deferred Charges and Other Assets, net - Allocated Values (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Allocated values of leases
Less accumulated amortization	$ (100,224)	$ (103,361)
Below Market Lease, Gross	372,253us-gaap_BelowMarketLeaseGross	375,033us-gaap_BelowMarketLeaseGross
Below Market Lease, Accumulated Amortization	(96,176)	(93,511)
Above-Market Leases
Allocated values of leases
Original allocated value	260,930	250,810
Less accumulated amortization	(65,107)	(59,696)
Allocated value net	195,823	191,114
Below-Market Leases
Allocated values of leases
Allocated value net	$ 276,077	$ 281,522

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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

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

+ Details

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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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