Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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- Definition

The number of businesses acquired by the entity during the period.

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- Definition

The cash inflow from the sale of an investment interest in a joint venture that the reporting entity has not previously accounted for using consolidation or the equity method of accounting.

+ References

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-Publisher FASB
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- Definition

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

+ References

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-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
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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.

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- Definition

Number of Real Estate Properties Disposed

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Subsequent Events - Real Estate Investment Activity (Details) $ in Thousands	2 Months Ended	12 Months Ended
	Feb. 20, 2018 USD ($) property	Dec. 31, 2017 USD ($) property	Dec. 31, 2015 property
Subsequent Event [Line Items]
Number of real estate properties disposed \| property			228
2017 Acquisitions [Member]
Subsequent Event [Line Items]
Number of properties acquired \| property		88
Aggregate purchase price		$ 748,784
Subsequent Event [Member] \| 2017 Acquisitions [Member]
Subsequent Event [Line Items]
Number of properties acquired \| property	6
Aggregate purchase price	$ 66,300
Subsequent Event [Member] \| Property Dispositions, 2017 [Member]
Subsequent Event [Line Items]
Number of real estate properties disposed \| property	7
Aggregate gross sales price	$ 57,800
Company's share of proceeds	57,400
Estimated gain on sale of properties	$ 8,500