Summary of Significant Accounting Policies - Real Estate (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Schedule of Real Estate Properties and Related Lease Intangibles [Line Items]
Real Estate Investment Property, Net	$ 177,991	$ 236,771
Lease intangibles, net	336	334
July 1, 2016 - December 31, 2016	19
2017	20
2018	(14)
2019	(12)
2020	(10)
Building and Building Improvements [Member]
Schedule of Real Estate Properties and Related Lease Intangibles [Line Items]
Real Estate Investment Property, at Cost	162,859	211,635
Real Estate Investment Property, Accumulated Depreciation	27,882	26,422
Real Estate Investment Property, Net	134,977	185,213
Land and Land Improvements [Member]
Schedule of Real Estate Properties and Related Lease Intangibles [Line Items]
Real Estate Investment Property, at Cost	45,885	54,068
Real Estate Investment Property, Accumulated Depreciation	2,871	2,686
Real Estate Investment Property, Net	43,014	51,382
Leases, Acquired-in-Place [Member]
Schedule of Real Estate Properties and Related Lease Intangibles [Line Items]
Finite-Lived Intangible Assets, Gross	1,532	3,083
Finite-Lived Intangible Assets, Accumulated Amortization	1,196	2,749
Lease intangibles, net	336	334
Leases, Acquired-in-Place, Market Adjustment [Member]
Schedule of Real Estate Properties and Related Lease Intangibles [Line Items]
Finite-Lived Intangible Assets, Gross	(137)	(184)
Finite-Lived Intangible Assets, Accumulated Amortization	(65)	(104)
Lease intangibles, net	(72)	$ (80)
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] \| Building and Building Improvements [Member]
Schedule of Real Estate Properties and Related Lease Intangibles [Line Items]
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment	46,975
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] \| Land and Land Improvements [Member]
Schedule of Real Estate Properties and Related Lease Intangibles [Line Items]
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment	$ 8,050

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Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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

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

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Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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