Real Estate (Significant Business Combination Proforma) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Significant Business Combination Proforma [Abstract]
Revenue	$ 215,398	$ 157,250
Net income	119,929	125,460
Net income available to common stockholders	$ 118,486	$ 124,461
Basic earnings per share	$ 3.16	$ 3.80
Diluted earnings per share	$ 3.16	$ 3.79

Business Acquisition, Pro Forma Net income Available To Common Stockholders

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- Definition

Significant Business Combination Proforma [Abstract]

+ References

No definition available.

+ 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=56956515&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

+ Details

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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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