Real Estate (Significant Business Combination Proforma) (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
Significant Business Combination Proforma [Abstract]
Revenue	$ 44,160	$ 29,690	$ 87,296	$ 59,404
Net income	25,605	20,506	49,489	36,847
Net income available to common stockholders	$ 25,306	$ 20,267	$ 48,863	$ 36,365
Basic earnings per share	$ 0.77	$ 0.73	$ 1.48	$ 1.30
Diluted earnings per share	$ 0.76	$ 0.73	$ 1.48	$ 1.30

Business Acquisition, Pro Forma Net income Available To Common Stockholders

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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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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

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

+ References

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