Intangible assets and liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Sep. 30, 2016
Amortizable asset carrying Amount	$ 7,563	$ 2,836	$ 2,836
Amortizable asset accumulated Amortization	4,233	1,324	1,198
Below market lease carrying amount	220	220	220
Below market lease accumulated amortization	220	211	206
In place leases
Amortizable asset carrying Amount	7,515	2,788	2,788
Amortizable asset accumulated Amortization	4,206	1,300	1,175
Above Market leases
Amortizable asset carrying Amount	48	48	48
Amortizable asset accumulated Amortization	27	24	23
Below market leases
Below market lease carrying amount	220	220	220
Below market lease accumulated amortization	$ 220	$ 211	$ 206

Amount of accumulated amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life.

No definition available.

+ Details

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- Definition

Amount before amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life.

+ References

No definition available.

+ Details

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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- Details

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