Acquisitions (Pro Forma Financial Information) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Business Acquisition [Line Items]
Total revenues and other	$ 157,613	$ 148,591	$ 338,063	$ 317,366
Net income (loss)	(2,433)	22,624	(2,409)	35,823
Net income (loss) attributable to common limited partners	$ (9,596)	$ 16,971	$ (16,190)	$ 25,665
Basic	$ (0.12)	$ 0.21	$ (0.20)	$ 0.31
Diluted	$ (0.12)	$ 0.20	$ (0.20)	$ 0.31

Business acquisitions pro forma net income loss attributable to common limited partners

No definition available.

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- Details

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- Definition

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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- Definition

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

+ Details

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

+ Details

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