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+ References

No definition available.

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- Definition

Fair value portion of assets, excluding financial assets, that lack physical substance, having a limited useful life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (a)

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- Definition

Amount after 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)

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- Definition

Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill.

+ References

No definition available.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275

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Management Contract Intangibles, Net (Details) (USD $)	12 Months Ended			0 Months Ended
Management Contract Intangibles, Net (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2014	Dec. 31, 2011	Dec. 19, 2013	Dec. 31, 2013
Acquired Finite-Lived Intangible Assets [Line Items]
Management contracts net prior to impairment		$ 185,488,000us-gaap_FiniteLivedIntangibleAssetsNet			$ 166,756,000us-gaap_FiniteLivedIntangibleAssetsNet
Impairment loss on management contracts and goodwill	42,000,000
Contract-Based Intangible Assets
Acquired Finite-Lived Intangible Assets [Line Items]
Management contract intangibles, net	19,000,000
Management contracts net prior to impairment	46,100,000
Eola Capital, LLC \| Contract-Based Intangible Assets
Acquired Finite-Lived Intangible Assets [Line Items]
Value of contracts			51,800,000
Impairment of intangible assets		4,800,000
Thomas Properties Group, Inc. \| Contract-Based Intangible Assets
Acquired Finite-Lived Intangible Assets [Line Items]
Value of contracts				$ 1,800,000