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Real Estate Held for Sale - Schedule of Carrying Value and Fair Value of Real Estate Held for Sale (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Real Estate [Abstract]
Building		$ 720
Building improvements		276
Land		380
Total		1,376
Estimated sales price		800
Estimated cost to sell		(75)
Estimated net proceeds		725
Loss recognized on real estate assets held for sale		$ 651

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- Definition

Estimated cost to sell.

+ References

No definition available.

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- Definition

Estimated net proceeds.

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- Definition

Estimated sales price.

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- Definition

Aggregate of the carrying amounts as of the balance sheet date of investments in building.

+ References

No definition available.

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- Definition

Amount of gain (loss) on sale or disposal of oil and gas property or timber property.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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- Definition

Aggregate of the carrying amounts as of the balance sheet date of investments in building and building improvements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
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- Definition

Carrying value of land held for sale.

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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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-SubTopic 210
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