Real Estate (Held for Sale) (Details) $ in Thousands	3 Months Ended
Mar. 31, 2018 USD ($) property	Dec. 31, 2017 USD ($) property
Real Estate [Abstract]
Number of properties classified as held for sale \| property	5	6
Number of properties sold \| property	1
Land and improvements	$ 2,864	$ 3,058
Building and improvements	5,134	6,284
Real estate held-for-sale	7,998	9,342
Less accumulated depreciation and amortization	(2,846)	(2,885)
Less impairment	(1,361)	(86)
Real estate held for sale	$ 3,791	$ 6,371

Accumulated Impairment Real Estate Held For Sale

No definition available.

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- Definition

Inventory, Building, Held-for-sale

+ References

No definition available.

+ Details

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- Definition

Number Of Properties Classified As Held For Sale

+ References

No definition available.

+ Details

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- Definition

Number of Properties Sold

+ References

No definition available.

+ Details

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- Definition

Carrying amount as of the balance sheet date of parcels of land held for sale, and on which the entity has no intention or no further intention to perform construction activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.6(a))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	debit
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- Definition

Represents properties which were acquired directly or through foreclosure for which a committed plan to sell exists and an active program to market such properties has been initiated.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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- Definition

Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(f))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

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- Definition

The cumulative amount of depreciation for real estate property held for investment purposes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(3))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

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