The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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Period Type:	duration

- Definition

The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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- Definition

Number of Real Estate Properties Disposed Of

+ References

No definition available.

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Subsequent Events (Real Estate Investment Activity) (Details) $ in Thousands	1 Months Ended	3 Months Ended
	May. 03, 2016 USD ($) property	Mar. 31, 2016 USD ($) property	Mar. 31, 2015 USD ($)
Subsequent Event [Line Items]
Estimated gain on sale of properties		$ 17,175	$ (31,368)
2016 Property Dispositions [Member]
Subsequent Event [Line Items]
Number of real estate properties disposed \| property		58
Aggregate gross sales price		$ 193,700
Estimated gain on sale of properties		$ 18,800
Subsequent Event [Member] \| 2016 Property Dispositions [Member]
Subsequent Event [Line Items]
Number of real estate properties disposed \| property	28
Aggregate gross sales price	$ 48,200
Estimated gain on sale of properties	$ 3,800