Investment in Unconsolidated Joint Ventures Investment in Unconsolidated Joint Ventures (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Investment in Unconsolidated LLCs [Abstract]
Maximum exposure related to investments in unconsolidated joint ventures or similar arrangements	$ 30,269
Investment in unconsolidated joint ventures	27,769us-gaap_EquityMethodInvestments	35,266us-gaap_EquityMethodInvestments
Notes Receivable, Related Parties	2,500us-gaap_NotesReceivableRelatedParties
Capitalized interest and other costs included in investment in Unconsolidated Joint Ventures	$ 245	$ 806

For an unclassified balance sheet, amounts due from parties associated with the reporting entity as evidenced by a written promise to pay.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(k)(1))

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Section 50

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph k

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Glossary Related Parties

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